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/ 让学习更有效 新课备课备考 | 英语学科
/ 让学习更有效 新课备课备考 | 英语学科
2025-2026学年九年级英语上册单元复习考点培优仁爱科普版Unit 4 Amazing Science
专题07 句型转换
学校:___________姓名：___________班级：___________考号：___________
1．She hung the painting on the wall to brighten the room. (改为被动语态)
The painting by her on the wall to brighten the room.
2．Leo took many photos before he went back home. (改为被动语态)
Many photos by Leo before he went back home.
3．The lightning struck the clock tower last night. (改为被动语态)
The clock tower by lightning last night.
4．The police found the lost children crying in the cave. (改为被动语态)
The lost children crying in the cave by the police.
5．He wrote the book when he was only 13. (变为被动语态)
The book by him when he was only 13.
6．Mike broke the glass when he was washing the dishes. (改为被动语态)
The glass by Mike when he was washing the dishes.
7．The report was written by Tom yesterday. (改为一般疑问句)
the report by Tom yesterday
8．My sister turned on the TV after she entered the room. (改为被动语态)
The TV on by my sister after she entered the room.
9．This is the schoolbag. I lost it on the bus yesterday. (改为含定语从句的复合句)
This is the schoolbag I on the bus yesterday.
10．The school gave us only two weeks to prepare for the competition. (改为被动语态)
We only two weeks to prepare for the competition by the school.
11．I didn’t hang the painting on the wall because I wasn’t sure about its location. (改为被动语态)
The painting on the wall because I wasn’t sure about its location.
12．They will buy a car next week.(改成被动语态)
A car by them next week.
13．Mrs. Green moved most of the flower pots into the house last night. (改为被动语态)
Most of the flower pots into the house by Mrs. Green last night.
14．People made radios of this kind three years ago. (改为被动语态)
Radios of this kind three years ago.
15．A Canadian doctor invented basketball. (改为被动语态)
Basketball by a Canadian doctor.
16．The man is singing over there. I know him.（合成定语从句）
I know the man singing over there.
17．Next year, people will add new records to the Guinness World Records. (改为被动语态)
Next year, new records will to the Guinness World Records.
18．She likes those musicians. The musicians play different kinds of music. (合并为一句)
She likes the musicians different kinds of music.
19．We made some parts of the face bigger to make it look funnier when we drew a cartoon face. (改为被动语态)
Some parts of the face bigger to make it look funnier when we drew a cartoon face.
20．There should be an e-teacher. The teacher can correct mistakes and offer suggestions. 用定语从句改写句子。
21．My mom made me a new skirt. (变为被动语态)
22．He bought his children some pens. (变为被动语态)
23．Everyone will know the truth soon. (变为被动语态)
24．Another dish is fish. It means “having more than we need”. (用定语从句改写)
25．It is a Chinese tradition. We have kept it for thousands of years. (用定语从句改写句子)
26．They threw away the old book yesterday. (变成被动语态)
27．The task for Group Two was cleaning the benches and collecting the litter. The litter was left/thrown around by tourists. （用定语从句改写句子）
28．I was in the third group. The third group went to the Children’s playground and wiped all the equipment clean. （用定语从句改写句）
29．I was allowed to play football. (改为否定句)
I to play football.
30．The fire destroyed a large area of forest in that country. (改为被动语态)
A large area of forest by the fire in that country.
31．The teacher chose five students to work as volunteers on the Open Day. (改为被动语态)
Five students by the teacher to work as volunteers on the Open Day.
32．They took the wounded into a small temple at once. (改被动语态)
The wounded into a small temple at once.
33．Did you see the film last night （改为被动语态）
the film by you last night
34．Jack is a young singer. He wants to make progress in singing.（合并为一句）
Jack is a young singer to make progress in singing.
35．They built a new bridge last year.(改为被动语态)
A new bridge by them last year.
36．He spread all his books all over the table. (改为被动语态)
All his books all over the table.
37．They chose a lot of decorations to decorate the hall for the party. (改为被动语态)
A lot of decorations to decorate the hall for the party.
38．They built a bridge over the river last year. (改为被动语态)
A bridge over the river last year.
39．The drama school will admit eighty students this year.（改为被动语态）
Eighty students will by the drama school.
40．They sent those videos to the poor children.（改为被动语态）
Those videos to the poor children.
41．The boy is talking to my math teacher, he is my best friend. (改为定语从句)
The boy talking to my math teacher is my best friend.
42．Mr. Green showed his photos to us last week. (改为被动语态)
Mr. Green’s photos to us last week.
43．The English teacher divided our class into 8 groups in class. (改为被动语态)
Our class into 8 groups by the English teacher in class.
44．The school divided the competitors into four groups according to age. (改为被动语态)
The competitors into four groups by the school according to age.
45．The worker cut down many trees last year. (改为被动语态)
Many trees down by the worker last year.
46．We held the class meeting last Tuesday. (改为被动语态)
The class meeting last Tuesday.
47．They picked the tea leaves by hand in the early morning. (改为被动语态)
The tea leaves by hand in the early morning.
48．They were noticed to go into the room just now. (改为否定句)
They to go into the room just now.
49．The officer showed me the instruction immediately. (改为被动语态)
I the instruction immediately by the officer.
50．I’d like to make friends with Lily. She is an honest girl.（合并为一句）
I’d like to make friends with Lily an honest girl.
51．Robots have caused us some problems so far.（改为否定句）
Robots caused us problems so far.
52．Mum doesn’t allow me to spend too much time watching TV. (改为同义句)
I’m not spend too much time watching TV by Mum.
53．The baby will be well cared for.（改为一般疑问句）
the baby well cared for
54．The dress is made of cotton. (改为否定句)
The dress of cotton.
55．Chinese people invented black tea during Ming Dynasty. (改为被动语态)
Black tea by Chinese people during Ming Dynasty.
56．We choose our monitor to take part in competitions.(改为被动语态)
Our monitor to take part in competitions.
57．People brought tea to Korea during the 6th and 7th centuries. (变成被动语态)
Tea to Korea during the 6th and 7th centuries.
58．I found the book useful. (改为被动语态)
The book useful.
59．The students planted a lot of trees last year. (改为被动语态)
A lot of trees by the students last year.
60．The book with a purple cover is about information technology. （改为复合句）
The book a purple cover is about information technology.
61．She divided the apples into pieces. (改为被动语态)
The apples into pieces by her
62．Candy wrote the composition in English. (改为被动语态)
The composition in English by Candy.
63．Bob took good care of his brother when their mother was out. (变被动语态)
Bob’s brother good care of by Bob when their mother was out.
64．She hung several of her daughter’s paintings on the wall in the sitting-room. (改为被动语态)
Several of her daughter’s paintings on the wall in the sitting-room.
65．We will hold an English speech contest next month. (改为被动语态)
An English speech contest will next month.
66．They chose a famous band for the charity show this year. (改为被动语态)
A famous band for the charity show this year.
67．She is going to order the tickets for the match soon. (改为被动语态)
The tickets going to be for the match soon.
68．She’s never late for school. (改为现在完成时)
She never late for school.
69．They have brought us very good news. (改为感叹句)
they have brought us!
70．I have already seen the film. (改为一般疑问句)
Have you the film
71．GPS has solved the problems in the past few years. (把此句变成被动语态)
72．My mother allows me to use her cellphone. (改为被动语态)
I use my mother’s cellphone.
73．The teacher said to the students, “Don’t open your books.” (改为简单句)
The teacher told the students their books.
74．Trees are being planted over there by the volunteers. (改为主动句)
The volunteers over there.
75．The servants dressed the queen in beautiful clothes for the ceremony.（改为被动句）
The queen in beautiful clothes for the ceremony by the servants.
76．The computer controls the spaceship. (改为被动语态)
The spaceship by the computer.
77．Be quiet! They are holding an important meeting. (改为被动语态)
Be quiet! An important meeting .
78．The watch was made in America. Her uncle gave her the watch. (改为含定语从句的复合句)
The watch her uncle her was made in America.
79．She bought a new dictionary last week.（被动语态）
A new dictionary by her last week.
80．We will build houses, schools and hospitals on Mars one day. (改为被动语态)
Houses, schools and hospitals will on Mars one day.
/ 让学习更有效 新课备课备考 | 英语学科
/ 让学习更有效 新课备课备考 | 英语学科
21世纪教育网(www.21cnjy.com)
21世纪教育网(www.21cnjy.com)
参考答案及试题解析
1．was hung
【解析】句意：她把画挂在墙上，让房间更明亮。原句是一般过去时的主动语态，改为被动语态时，其结构是“主语 + was/were + 过去分词 + 其他”。原句的宾语“The painting”变为被动句的主语，是第三人称单数，所以be动词用was；hang的过去分词是hung；原句的主语“She”变为宾语her。故填was；hung。
2．were taken
【解析】句意：利奥在回家前拍了很多照片。原句是一般过去时，被动语态结构为“were/was+过去分词”，“many photos”是复数，所以用“were”，“take”的过去分词是“taken”。故填were；taken。
3．was struck
【解析】句意：昨晚闪电击中了钟楼。原句是一般过去时，改为被动语态时，要用一般过去时的被动语态结构“was/were+过去分词”；主语“The clock tower”是单数，所以be动词用“was”，“strike”的过去分词是“struck”。故填was；struck。
4．were found
【解析】句意：警察发现迷路的孩子在山洞里哭泣。原句是一般过去时，一般过去时的被动语态结构是“was/were+过去分词”，主语“the lost children”是复数，所以be动词用“were”，“find”的过去分词是“found”。 故填were；found。
5．was written
【解析】句意：他写这本书的时候只有13岁。时态为一般过去时，被动语态的结构为“was/were + 动词过去分词”，主语为“The book”，be动词用was；动词的过去分词是“written”。故填was；written。
6．was broken
【解析】句意：迈克洗碗时打碎了玻璃杯。主动语态变被动语态时，要将原句的宾语“the glass”变为主语，谓语动词变为“be+过去分词”结构，原句时态是一般过去时，主语“the glass”是单数，所以be动词用“was”，“break”的过去分词是“broken”。故填was；broken。
7．Was written
【解析】句意：这份报告是汤姆昨天写的。题干为一般过去时的被动语态，其一般疑问句的构成应将be动词was提到句首，句首首字母大写，其余不变。故填Was；written。
8．was turned
【解析】句意：我姐姐进屋后打开了电视。分析原句可知，该句时态为一般过去时，所以此处考查：一般过去时的被动语态，且该句主语是The TV，turn的过去分词是turned，所以此处应填入was turned，作谓语。故填was；turned。
9．that/which lost
【解析】句意：这就是那个书包，我昨天在公交车上弄丢了它。改为含定语从句的复合句时，先行词是“the schoolbag”（指物），关系代词可用“that”或“which”，从句时态与原句时态一致，时态用一般过去时，动词用过去式lost。故填 that/which；lost。
10．were given
【解析】句意：学校只给了我们两周时间准备比赛。题目要求改为被动语态，被动语态的结构是“be + 过去分词”；原句是一般过去时，主语We是复数，be动词应用were，give的过去分词是given。故填were；given。
11．wasn’t hung
【解析】句意：我没有把这幅画挂在墙上，因为我不确定它的位置。原句是一般过去时的否定句，改为被动语态时，其结构为wasn’t/weren’t+过去分词，主语The painting是第三人称单数，be动词用wasn’t，hang的过去分词是hung。故填wasn’t；hung。
12．will be bought
【解析】句意：他们下周将买一辆车。原句是一般将来时，被动语态结构为：will be done。buy的过去分词为bought。故填will be bought。
13．were moved
【解析】句意：格林夫人昨晚把大部分花盆搬进了屋里。根据语境可知，此句用一般过去时；由题干可知，此处需要将主动语态改为一般过去时的被动语态，结构为“was/were+过去分词”。原句谓语动词为moved，主语为“Most of the flower pots”，故应用“were moved”。故填were；moved。
14．were made
【解析】句意：三年前人们制造了这种收音机。此处改为被动语态，根据谓语made可知，此处用一般过去时，主语radios of this kind是复数形式，谓语用复数形式were made。故填were；made。
15．was invented
【解析】句意：一位加拿大医生发明了篮球。原句为一般过去时，改为被动语态时，宾语变主语，谓语动词变为“be动词+过去分词”形式，主语是“Basketball”，谓语动词填was，动词改为过去分词invented。故填was；invented。
16．who/that is
【解析】句意：那个人在那边唱歌。我认识他。原句“The man is singing over there”需转换为定语从句修饰“the man”，且从句缺主语和谓语。先行词是人（the man），需用关系代词who或that，并保留进行时态is singing。由于主句谓语是know，从句需保持从属结构，故填who/that；is。
17．be added
【解析】句意：明年，人们将为《吉尼斯世界纪录》增加新纪录。本句时态为一般将来时，其被动语态结构为“主语+will be+谓语动词的过去分词”，谓语动词add的过去分词为added。故填be；added。
18．who/that play
【解析】句意：她喜欢那些音乐家。那些音乐家演奏不同种类的音乐。根据题干可知，这两句可以合并为一个包含定语从句的复合句，第一空是定语从句的引导词，在从句中作主语，先行词是musicians，指人，所以第一空应填who或that；第二空是从句的谓语动词，根据“The musicians play different kinds of music.”可知，从句的谓语动词应用play，时态是一般现在时，从句的主语who/that指代复数名词musicians，所以play保持原形。故填who/that；play。
19．were made
【解析】句意：我们画卡通脸时放大了面部的某些部分，让它看起来更有趣。原句时态是一般过去时，所以此处应用一般过去时的被动语态，其结构是：was/were+动词过去分词，被动句的主语“Some parts of the face”表示复数，所以应用be动词were，原句的谓语动词是过去式made，在被动句中应变成过去分词made。故填were；made。
20．There should be an e-teacher who can correct mistakes and offer suggestions.
【解析】句意：应该有一个电子教师，这个教师可以纠正错误并提供建议。用定语从句改写，将两个句子合并为一个，通过关系代词who引导定语从句修饰先行词an e-teacher，故填There should be an e-teacher who can correct mistakes and offer suggestions.
21．A new skirt was made for me./A new skirt was made for me by my mom.
【解析】句意：我妈妈给我做了一条新裙子。变为被动语态时，直接宾语“a new skirt”变为主语，句首首字母大写；原句谓语动词“made”变为“was made”，间接宾语“me”前加介词“for”表示接受者，动作执行者my mom前接介词by，by my mom可省略。故填A new skirt was made for me./A new skirt was made for me by my mom.
22．Some pens were bought for his children by him.
【解析】句意：他给他的孩子们买了一些钢笔。根据“bought”可知，原句时态为一般过去时，改为被动语态时，表达为“一些笔被他买来给他的孩子”，其结构为“was/were done”，主语“Some pens”为复数人称，因此be动词应用were，buy“买”，过去分词为bought，for“给”，介词，his children“他的孩子们”，by“被”，介词，后接宾格him“他”。故填Some pens were bought for his children by him.
23．The truth will be known by everyone soon.
【解析】句意：很快每个人都会知道真相。原句是一般将来时，一般将来时的被动语态结构为：will be+过去分词；原句中的宾语“the truth”变为主语；原句中的谓语“will know”变为“will be known”；原句中的主语“Everyone”在被动语态中用by引出，放在句末。故填The truth will be known by everyone soon.
24．Another dish is fish, which means “having more than we need”.
【解析】句意：另一道菜是鱼。这意味着“拥有比我们需要的更多”。考查定语从句。定语从句的先行词是fish，修饰物，用关系代词which替换。故填Another dish is fish, which means “having more than we need”.
25．It is a Chinese tradition that we have kept for thousands of years./It is a Chinese tradition which we have kept for thousands of years.
【解析】句意：这是中国的传统。我们保持它几千年了。原句中，第二句的“it”指代第一句的“a Chinese tradition”，因此“tradition”是定语从句修饰的对象（称为先行词），先行词指物，所以用关系代词which/that引导定语从句。故填It is a Chinese tradition that/which we have kept for thousands of years.
26．The old book was thrown away yesterday./The old book was thrown away by them yesterday.
【解析】句意：他们昨天扔掉了那本旧书。本句为一般过去时，原句的宾语the old book，变为被动句的主语；be动词的过去式was，动词的过去分词thrown；原句的主语they可以省略或用by引出，改为by them。故填The old book was thrown away (by them) yesterday.
27．The task for Group Two was cleaning the benches and collecting the litter that was left around by tourists./The task for Group Two was cleaning the benches and collecting the litter which was left around by tourists./The task for Group Two was cleaning the benches and collecting the litter that was thrown around by tourists./The task for Group Two was cleaning the benches and collecting the litter which was thrown around by tourists.
【解析】句意：第二组的任务是打扫长凳和收集垃圾。垃圾是游客乱扔的。分析句子可知，第二句主语为“The litter”，改成定语从句修饰先行词“the litter”，为物，且在从句中作主语，应用关系代词that/which引导限制性定语从句，时态不需改变。故填The task for Group Two was cleaning the benches and collecting the litter that/which was left/thrown around by tourists.
28．The third group which/that I was in went to the Children’s playground and wiped all the equipment clean.
【解析】句意：我在第三组。第三组去了儿童游乐场，把所有的设备都擦干净了。句中“I was in”作定语，修饰先行词“the third group”，先行词表示物，应用that/which作连词接，在句中作宾语。故填The third group which/that I was in went to the Children’s playground and wiped all the equipment clean.
29．wasn’t allowed
【解析】句意：我被允许踢足球。根据题意将句子改为否定句，含系动词“was”的否定形式是“wasn’t”，后接过去分词“allowed”。故填wasn’t；allowed。
30．was destroyed
【解析】句意：那场大火烧毁了那个国家的大片森林。根据题干要求可知，需改为 “那个国家的大片森林被那场大火烧毁了”。分析原句可知，原句为一般过去时，改为被动语态时，其结构为“was/were +过去分词”。主语“A large area of forest”为单数，be动词故用was。故填was；destroyed。
31．were chosen
【解析】句意：老师挑选了五名学生做开放日的志愿者。被动语态的结构为“be+过去分词”，句子时态为一般过去时，主语为“Five students”，be动词用were，应填were chosen。故填were；chosen。
32．were taken
【解析】句意：他们立刻把伤员带到一个小庙里。根据“took”可知，句子时态为一般过去时，所以句子应变为一般过去时的被动语态，其结构为was/were done；主语“The wounded”意为“伤者”，为复数形式，be动词应有were，动词took的过去分词为taken。故填were；taken。
33．Was seen
【解析】句意：你昨晚看电影了吗？原句是一般过去时，此处是一般过去时的被动语态，结构为was/were done。主语是三单，be动词用was，放在句首，构成一般疑问句；see的过去分词为seen。故填Was；seen。
34．that/who wants
【解析】句意：Jack是一个年轻歌手。他想要在唱歌方面取得进步。此处可以改为定语从句，singer“歌手”，是先行词，指人，在从句中作主语，故用关系代词that或who引导。singer作主语，谓语动词用单数第三人称，wants意为“想要”。故填that/who；wants。
35．was built
【解析】句意：他们去年建了一座新桥。被动语态的构成：be+动词过去分词，又因为此句话为一般过去时，主语为单数，所以be动词要用was，build变为过去分词，是不规则变化。故填was；built。
36．were spread
【解析】句意：他把所有的书都摊在桌子上。根据“spread”可知，本句时态为一般过去时，改成被动语态时，需一般过去时的被动语态，其结构为was/were+done，主语为All his books，需were，spread的过去分词为spread。故填were；spread。
37．were chosen
【解析】句意：他们为晚会挑选了许多装饰品来装饰大厅。由题干可知，应该为一般过去时的被动语态，其结构为“was/were + 过去分词”，所以将主动语态的宾语“a lot of decorations”变成主语，谓语动词“chose”变为“were chosen”，保持其他成分不变。故填were；chosen。
38．was built
【解析】句意：去年他们在这条河上建了一座桥。根据改写要求可知，被动语态句子的基本结构：主语+be done+其他。句子时态为一般过去时，主语“A bridge”，名词单数，be动词应为“was”，built“建筑”，其过去分词形式为“built”。故填was；built。
39．be admitted
【解析】句意：这所戏剧学校今年将招收八十名学生。原句是一般将来时，故此处改为一般将来时的被动语态will be done，admit的过去分词是admitted。故填be；admitted。
40．were sent
【解析】句意：他们把这些视频发给了那些可怜的孩子。原句是一般过去时，所以这里是改为一般过去时的被动语态，结构为was/were+过去分词。主语是复数，助动词用were；过去分词为sent。故填were；sent。
41．who is
【解析】句意：这个男孩正在和我的数学老师说话，他是我最好的朋友。改为定语从句，先行词The boy指人，从句缺少主语，应用关系代词who引导，后跟be动词is。故填who；is。
42．were shown
【解析】句意：格林先生上周向我们展示了他的照片。被动语态由“be动词+及物动词的过去分词”构成，根据“last week”可知，句子时态为一般过去时，空处所在句的主语为“photos”，应填were shown。故填were shown。
43．was divided
【解析】句意：英语老师在课堂上把我们班分成了8个组。结合谓语“divided”可知，时态为一般过去时，改为被动语态时，可表达为“在课堂上我们班被英语老师分成了8个组”，此处使用一般过去时的被动语态，结构：主语+was/were done，主语是“Our class”，be动词使用was；divide“分开”，过去分词为divided。故填was；divided。
44．were divided
【解析】句意：学校根据年龄将参赛者分为四组。原句是一般过去时，应改为一般过去时的被动语态，其结构为was/were+done，主语“The competitors”是可数名词复数，be动词用were，divide的过去分词是divided。故填were；divided。
45．were cut
【解析】句意：这个工人去年砍倒了许多树。根据last year可知，此句要改为一般过去时的被动语态，结构为：was/were+ done，主语trees是复数形式，助动词用were，故填were；cut。
46．was held
【解析】句意：我们上周二举行了班会。根据题干由主动语态变被动语态。原句是一般过去时，应变为一般过去时的被动语态，构成形式为：was/were done；主语“The class meeting”是第三人称单数形式，故助be动词应用was，hold的过去分词是held。故填was；held。
47．were picked
【解析】句意：他们在清晨用手采摘茶叶。原句主动语态用的是一般过去时，变被动语态也应用一般过去时，其结构为：主语+was/were+动词的过去分词，主语是The tea leaves，be动词应用were，动词pick的过去分词是picked。故填were picked。
48．weren’t noticed
【解析】句意：他们刚才被注意到进入了房间。根据句中“were noticed”和“just now”可知，本句的时态是一般过去时的被动语态，改成否定句时在were后加not，缩写为weren’t。故填weren’t；noticed。
49．was shown
【解析】句意：那个官员迅速地给我下达了指示。原句主动语态用的是一般过去时，变为被动语态也应用一般过去时“主语+was/were+动词的过去分词”，主语是“I”，be动词应用“was”，动词“show”的过去分词是“shown”。故填was；shown。
50．who/that is
【解析】句意：我想和莉莉交朋友。她是一个诚实的女孩。合并句子时，可以使用定语从句来连接两个句子。这里先行词是Lily，指人，用“who/that”引导定语从句，时态为一般现在时，be动词用is。故填who/that；is。
51．haven’t any
【解析】句意：到目前为止，机器人给我们带来了一些问题。将句子改为否定句时，在现在完成时中，将助动词have后加not，构成haven’t。some在否定句中通常用any替换。故填haven’t；any。
52．allowed to
【解析】句意：妈妈不允许我花太多时间看电视。结合原句中“Mum donesn’t allow me…”及后句中的“I’m not…”的提示可知，该句也可表达为“我不被妈妈允许花太多时间看电视”，即可将原句的主动语态变为被动语态，原句考查的动词短语为“allow sb. to do sth.”的否定形式，变被动语态的否定形式时，其结构应为“be not allowed to do sth.”。故填allowed；to。
53．Will be
【解析】句意：这个婴儿会得到很好的照顾。含情态动词will的一般疑问句，提前will，其余不变。故填Will；be。
54．isn’t made
【解析】句意：这件衣服是棉制的。此处要求改为否定句，在be动词is后加not，其缩写形式为isn’t，made保持不变。故填isn’t；made。
55．was invented
【解析】句意：中国人在明朝发明了红茶。根据“invented”可知此处改为一般过去时的被动语态，主语是Black tea，be动词用was，invent的过去分词是invented。故填was；invented。
56．is chosen
【解析】句意：我们选我们的班长去参加比赛。 我们的班长被选去参加比赛。根据题干句“We choose our monitor to take part in competitions.”可知，时态为一般现在时，此处考查一般现在时的被动语态，主语是Our monitor，所以结构为：is+过去分词，choose的过去分词是chosen。故填is；chosen。
57．was brought
【解析】句意：6、7世纪期间，人们把茶叶带到了韩国。根据“brought”可知原句采用一般过去时，改为一般过去时的被动语态，其谓语结构为：was/were+过去分词，主语为Tea，be动词用was，bring的过去分词为brought。故填was；brought。
58．was found
【解析】句意：我发现这本书是有用的。由found可知是一般过去时，故用一般过去时的被动语态was/were done，主语the book是三单，be动词用was，动词原形是find，过去分词是found。故填was；found。
59．were planted
【解析】句意：学生们去年种了很多树。题目要求将主动语态改为被动语态。原句是一般过去时，所以改为被动语态时使用was/were done的结构。主语A lot of trees是复数形式，所以使用were。故填were；planted。
60．that/which has
【解析】句意：这本紫色封面的书是关于信息技术的。“有紫色封面”作定语，修饰名词book，此处可用定语从句，先行词是the book，关系词在从句中作主语，用that/which引导，从句用一般现在时，从句谓语动词用单三has“有”。故填that/which；has。
61．were divided
【解析】句意：她把苹果切成块。原句为一般过去时，此处也应用一般过去时的被动语态，主语为“The apples”，所以用were divided。故填were；divided。
62．was written
【解析】句意：凯蒂用英语写了这篇作文。根据“wrote”可知，这里应该是一般过去时的被动语态，结构是“was/were done”；主语“The composition”是单数，所以be动词是was，write的过去分词是written。故填was；written。
63．was taken
【解析】句意：当他们的母亲外出时，鲍勃很好地照顾了他的弟弟。改为被动语态，主语变成Bob’s brother，原句是一般过去时，所以一般过去时的被动语态结构为：was/were done，主语是单数，be动词用was；take的过去分词为taken。故填was；taken。
64．were hung
【解析】句意：她在起居室的墙上挂了几幅她女儿的画。根据“hung”可知，原句为一般过去时，改为被动语态时，应使用一般过去时的被动语态，其结构为：was/were+动词的过去分词；主语“Several of her daughter’s paintings”是复数，be动词用were；hang的过去分词为hung。故填were；hung。
65．be held
【解析】句意：我们下个月将举行一场英语演讲比赛。根据will可知，此处是一般将来时，变为被动语态，谓语用will+be+过去分词，hold的过去分词是held。故填be；held。
66．was chosen
【解析】句意：今年他们选择了一支著名的乐队参加慈善演出。原句是一般过去时，所以被动语态结构为was/were+过去分词。主语是单数，be动词用was，choose的过去分词为chosen。故填was；chosen。
67．are ordered
【解析】句意：她将很快订购比赛的门票。此处改为被动语态，The tickets作主语，be动词用are；被动语态谓语动词构成是be done，此处用order的过去分词形式ordered。故填are；ordered。
68．has been
【解析】句意：她从不上学迟到。现在完成时的构成have/has+动词过去分词，由于主语是三单，所以助动词用has，be动词的过去分词为been。故填has；been。
69．What good news
【解析】句意：他们给我们带来了非常好的消息。改为感叹句，分析句子结构，符合what+形容词+不可数名词+主谓。good news“好消息”。故填What；good；news。
70．seen yet
【解析】句意：我已经看过这部电影了。原句是现在完成时的陈述句，变一般疑问句把助动词have提前，首字母大写；I变为you；already用于肯定句，变一般疑问句时把already变成yet，放在句尾，句末加问号，其他不变。故填seen；yet。
71．The problems have been solved by GPS in the past few years.
【解析】句意：GPS已经解决了过去几年的问题。根据句中“has solved”可知，时态为现在完成时，改成被动语态时，需用现在完成时的被动语态，其结构为have/has+been done。主语变成The problems；谓语动词用have been solved；by“被”。故填The problems have been solved by GPS in the past few years.
72．am allowed to
【解析】句意：我妈妈允许我用她的手机。allow sb to do sth“允许某人做某事”，变被动语态为sb be allowed to do sth“某人被允许做某事”，时态为一般现在时，主语是I，be用am。故填am；allowed；to。
73．not to open
【解析】句意：老师对学生们说：“不要打开你们的书。”分析句子可知，此处要求改为简单句，可用tell sb. not to do sth.改写，意为“告诉某人不要做某事”，固定词组。故填not to open。
74．are planting
【解析】句意：志愿者们正在那边植树。原句是现在进行时，现在进行时的谓语动词构成是am/is/are+动词现在分词形式，主语是The volunteers，be动词用are，plant的现在分词形式为planting。故填are planting。
75．was dressed
【解析】句意：仆人们为女王穿上漂亮的衣服参加典礼。根据原句可知，谓语动词为dressed，时态为一般过去式，被动句主语为The queen，其被动结构应为was dressed。故填was；dressed。
76．is controlled
【解析】句意：计算机控制宇宙飞船。根据要求可知，此处要改为被动语态，原句时态是一般现在时，此处用一般现在时的被动语态，谓语动词构成是am/is/are+ done，主语是The spaceship，be动词用is，control的过去分词形式为controlled。故填is controlled。
77．is being held
【解析】句意：安静点！他们正在举行一次重要会议。根据题意可知，此处要求改为被动语态，原句时态是现在进行时，现在进行时的被动语态谓语动词构成为am/is/are being done，主语是An important meeting，be动词用is；hold的过去分词形式为held。故填is being held。
78．which/that gave
【解析】句意：这块表是美国制造的。她叔叔把手表给了她。根据句子可知先行词是the watch，且定语从句中谓语动词give后缺宾语，关系词用which/that；句子时态是一般过去时，故填which/that；gave。
79．was bought
【解析】句意：她上周买了一本新词典。原句是一般过去时，被动语态结构为was/were done。主语是单数，be用was；过去分词为bought。故填was；bought。
80．be built
【解析】句意：总有一天，我们将在火星上建造房屋、学校和医院。原句是一般将来时，改为被动语态时，时态不变，结构为will be+过去分词，结合所给句子，build的过去分词是built。故填be；built。
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