资源简介

(共22张PPT)
小升初英语知识点梳理
专题九 陈述句
01
思维导图
肯定句
01
否定句
02
肯变否
03
目录
强化训练
04
01 肯定句
陈述句
陈述句是陈述一个事实或者说话人的看法的句子。
它包括肯定句和否定句两种。陈述句在书写时句末用句号,在朗读时用降调。
He goes to school at seven o’ clock. 他七点钟去上学。(陈述一个事实)
I don't think so.我不这么认为。(表达一种看法)
陈述句的形式-肯定句
陈述句有肯定式和否定式两种形式。
1. 陈述句的肯定式陈述句的肯定式有以下几种形式:
(1)主语+系动词+表语
如: I am a student.我是一名学生。
This is my mother.这是我妈妈。
We are English teachers. 我们是英语教师。
注意：be动词要随着作主语的名词、人称代词和指示代词的单复数的变化而变化。
考点一 陈述句的形式
(2)主语+谓语动词
如: I danced.我跳舞了
The teacher smiled.老师笑了。
(3)主语+谓语动词+宾语
如:I want some chicken.我想要一些鸡肉。
He likes tomatoes.他喜欢西红柿。
I can use chopsticks.我会用筷子。。
考点一 陈述句的形式
(4)主语+谓语动词+间接宾语+直接宾语
如: My father bought me a gift. 我爸爸给我买了一个礼物。
The boy asked me a question. 那个男孩问了我一个问题。
My uncle gave me a new book.我叔叔给了我一本新书。
考点一 陈述句的形式
(5)主语+谓语动词+宾语+宾语补足语
如: The rain kept us indoors. 雨让我们待在室内。
You can call me Nancy. 你可以叫我南希。
She sings very well.她唱歌非常好。
注意：在一般现在时的肯定句中，实义动词作谓语时，要随主语的单复数变化而变化。主语为第三人称单数时，实义动词变为第三人称单数形式。
02 否定句
陈述句的形式-否定句
(1)陈述句的否定式有以下几种形式:
①主语+be动词+not+其他（谓语动词是be动词时的否定式)
如: I am not a student. 我不是一名学生。 (注意: am not不可以缩写。)
She was not late for school yesterday morning.她昨天早上上学没有迟到。
This is not my mother.这不是我妈妈。
We are not English teachers.我们不是英语教师。
was not=wasn’t
is not=isn’t
are not=aren’t
②主语+助动词(do/does/did)+not+实义动词+其他
如: We do not have any lessons on weekends.我们周末不上课。
He does not like playing cards. 他不喜欢打牌。
My parents did not go shopping last week.我父母上周没有去购物。
注意：此否定结构中的实义动词一定用动词原形。
do not=don’t
does not=doesn’t
did not=didn’t
③主语+情态动词+not+实义动词+其他
如:
You should not sleep in class. 你不应该在课堂上睡觉。
I can not swim.我不会游泳。
You must not go outside.你不可以出去。
注意：此否定结构中的实义动词一定用动词原形。
should not=should’t
can not=can’t
must not=mustn’t
否定式的缩写形式
is not=isn't are not=aren't
do not=don't does not=doesn't
did not=didn't will not=won't
were not=weren't was not=wasn't
04 肯变否
陈述句肯定句变否定句变化规则
一找。找句子中是否有be动词或情态动词。
二加。有be动词或者情态动词，直接在后面加not.
无be动词或者情态动词，在动词前加don't或 doesn't (第三人称单数时，其后动词变原形）
三改。some 变 any。
1、肯定句：I am an English teacher.我是一名英语老师。
否定句：I’m not an English teacher.
2、肯定句：There are some books on the desk.书桌上有一些书。
否定句：There aren't any books on the desk.书桌上没有书。
3、肯定句：She likes helping others.她喜欢帮助别人。
否定句：She doesn't like helping others.她不喜欢帮助别人。
4、肯定句：They have some apples.他们有一些苹果。
否定句：They don't have any apples.他们没有苹果。
陈述句肯定句变否定句
04 强化训练
一、单项选择。
( ) 1. Amy from Canada. She a Canadian.
A.come; is B. is; are C.comes; is D. are; is
( ) 2. A friend of came to China last Tuesday.
A. his B. your C. you D. he
( )3. You shouldn't pictures here.
A. take B. taking C. took D. to take
( )4. Tim with Jack last Saturday.
A. went swam B. goes swimming C. went swim D. went swimming
( ) 5. She have a good time at the party.
A. not B. didn't C. no D. isn't
二、选择正确的选项完成句子。
A.am not B.are C.does not D.is E.have
1. It _________ her birthday today.
2. I _________ many friends at school.
3. She _____________ like stamps very much.
4. I ________ a middle school student.
5. They __________ having Chinese class now.
D
E
C
A
B
三、根据所给单词，在能使句意完整、通顺的单词后面画“√”。
Thanks!
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