Unit 1 Animal Friends 词性转换语法重点及练习(含答案)人教版(2024)英语七年级下册

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Unit 1 Animal Friends 词性转换语法重点及练习(含答案)人教版(2024)英语七年级下册

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人教版七年级下册英语 Unit 1 Animal Friends 词性转换+语法重点
一、必掌握
词性转换(教材关联+实用细节+配套练习)
(一)核心词性转换清单(附教材关联标注)
1. fox( n. 狐狸)foxes(pl. 复数)foxy(adj. 狡猾的)
教材 Unit 1 词汇表核心词,动物类名词复数变化重点
以 x 结尾的可数名词变复数加 es ,同类词如 box → boxes(教材同步
考点)
教材例句:That small fox hides near the zoo's fence, and its foxy look makes it standout(教材 P6 动物描述场景改编)
核心搭配:a group of foxes(一群狐狸)、foxy smile(狡诈的笑容)
2. wolf(n. 狼)wolves(pl. 复数)
教材 P8 阅读 passage 原词,复数变化特殊考点
以 f/fe 结尾的名词变复数, 先变 f/fe 为 v 再加 es , 同类词如 knife → knives
教材例句:In the wildlife documentary, wolves usually hunt together in cold winters(教材 P8 阅读改编)
核心搭配:wild wolves(野狼)、a pack of wolves(一群狼)
3. care(n. 关心/v. 照料)careful(adj. 小心的)carefully(adv. 小心地)careless (adj. 粗心的)carelessly(adv. 粗心地)carelessness( n. 粗心)
教材 P10 语法拓展板块重点,多词性转换核心词

ful 变“具有某种性质”(careful“细心的”),加
less 变“缺乏某种性质”(careless“粗心的”),形容词加 ly 变副词(carefully/carelessly)
教材例句:We should care for our class pets and finish homework carefully(教 材 P10 语法例句改编)
核心搭配:care for animals(照料动物)、careful observation(细心观察)、 avoid carelessness(避免粗心)
4. scary(adj. 吓人的)scare(v. 使受惊)scared(adj. 感到害怕的)
教材 P7 对话原句核心词,情感类形容词转换考点
scary 形容事物“令人害怕”,scared 形容人“感到害怕”,scare 为及物 动词“使某人害怕”
教材例句:That big dog looks scary, but it doesn't scare my deskmate—she isn't scared of it(教材 P7 对话改编)
核心搭配:scary animal(吓人的动物)、scare the birds(吓跑小鸟)、be scared of dogs(害怕狗)
5. dangerous(adj. 危险的)danger( n. 危险)endangered(adj. 濒危的)
教材 P9 保护动物主题重点词,环保话题核心词汇
形容词 dangerous 加后缀
ness 变名词 danger,加前缀 en 变 endangered(表“处于…状态”)
教材例句:It's dangerous to get close to wild animals; we must stay away from danger and protect endangered species(教材 P9 保护动物倡议改编)核心搭配:dangerous situation(危险的情况)、in danger(处于危险中)、 endangered animals(濒危动物)
6. luck(n. 运气)lucky(adj. 幸运的)luckily(adv. 幸运地)unlucky(adj. 不 幸的)unluckily(adv. 不幸地)
教材 P11 写作范文核心词,情感表达类词性转换
名词 luck 加 y 变形容词 lucky,加前缀 un
表否定,形容词加 ly 变副词
教材例句 :Luckily, I saw a cute rabbit in the school garden; my friend was unlucky—she missed it(教材 P11 写作场景改编)
核心搭配:goodluck(好运)、lucky chance(幸运的机会)、unluckily for him (对他来说不幸的是)
(二)词性转换配套练习 基础题(考用法)
1. 用 fox 的适当形式填空:There are three ______(狐狸)in the zoo's new area. (答案:foxes)
解析:本题考数以 x 结尾的名词复数变化,对应教材 Unit 1 名词复数核心考点。 易错原因:容易直接加 s 写成 foxs,忽略 x 结尾需加 es 的规则。
2. 用 care 的适当形式填空:She is a (细心的)student and she always does her homework (细心地).
(答案:careful ;carefully)
解析:本题考 care 的词性转换及形容词、副词用法,对应教材 P10 语法重点。 易错原因: 混淆形容词(修饰名词)和副词(修饰动词) 的用法, 误写为 carefully;careful。
变式题(考易错点)
1. 选择填空:That movie is so (scary/scared)that many students feel (scary/scared).
(答案:scary;scared)
解析:本题考 scary 和scared 的用法区别,对应教材 P7 对话考点。易错原因: 混淆“形容事物”和“形容人” 的形容词用法,误将 scared 用于修饰事物。
2. 改错:We should help the danger animals and keep them away from danger. (答案:danger →endangered)
解析:本题考 dangerous/endangered 的词性及含义区分,对应教材 P9 保护动 物主题考点。易错原因:混淆名词 danger 和形容词endangered 的用法,需用 形容词修饰 animals。
三、必掌握
重点短语及搭配(教材关联+实用细节+配套练习)
(一)核心短语清单(附教材关联标注)
1. be from = come from(来自)
教材 P5 对话原句:“Where do you come from ”(改编)
动词短语,be from 为“be 动词+介词” 结构,come from 为“ 实义动 词+介词”结构,否定句和疑问句需注意动词形式
教材例句:Where do our class pets come from Most of them are from the local animal shelter(教材 P5 对话场景改编)
核心搭配:be from China(来自中国)、come from a small town(来自一个 小镇)
2. play with sb./sth.(和某人/某物一起玩)
教材 P7 活动句型:“Do you like to play with animals ”(改编)
动词+介词结构,with 后接名词或代词宾格,表“和…一起”
教材例句:After class, we can play with the class rabbit in the classroom corner (教材 P7 活动场景改编)
核心搭配:play with friends(和朋友玩)、play with a toy animal(玩动物玩 具)
3. care for(照顾;喜欢)
教材 P10 阅读原句:“We need to care for animals.”(改编)
动词+介词结构,后接名词或代词,可表示“ 照料”或“喜爱” ,与 take care of 同义
教材例句:When our teacher is away, we should care for the class fish carefully (教材 P10 阅读场景改编)
核心搭配:care for sick animals(照顾生病的动物)、care for reading about animals(喜欢读关于动物的书)
4. take care of = look after(照顾)
教材 P8 练习原句:“Can you take care of my pet ”(改编)
take care of 为“动词+名词+介词”结构,look after 为“动词+介词”结 构,可互换,take good care of 强调“细心照料”
教材例句:Could you help take care of the class parrot when we have a school trip(教材 P8 练习场景改编)
核心搭配:take care of a baby animal(照顾幼崽)、look after the pet carefully (细心照料宠物)
5. pay attention to(注意)
教材 P9 安全提示句: “Pay attention to the animals in the
zoo.”(改编)
动词+名词+介词结构,to 为介词,后接名词、代词或动名词
教材例句:Please pay attention to the animal pictures in the textbook when we learn new words(教材 P9 词汇学习场景改编)
核心搭配:pay attention to details(注意细节)、pay attention to the teacher's explanation(注意老师的讲解)
6. cut down(砍伐)
教材 P11 环保主题原句: “People shouldn't cut down trees.”
(改编)
动词+副词结构,宾语为名词时可放中间或后面,宾语为代词时必
须放中间
教材例句:We should tell our families not to cut down trees because they are homes for animals(教材 P11 环保主题改编)
核心搭配:cut down too many trees(砍伐太多树木)、cut them down(把 它们砍倒)
7. be friendly to(对…友好)
教材 P6 描述动物原句:“The dog is friendly to people.”(改编)
be 动词+形容词+介词结构,后接名词或代词宾格,否定形式为be unfriendly to
教材例句:Our new class pet is friendly to every student; no one is afraid of it (教材 P6 动物描述场景改编)
核心搭配:be friendly to new classmates(对新同学友好)、be friendly to small
animals(对小动物友好)
8. be good for(对…有益)/ be bad for(对…有害)
教材 P12 健康提示句:“Vegetables are good for you.”(改编)
be 动词+形容词+介词结构,为反义短语,后接名词或代词
教材例句:Feeding the right food is good for the class pet; giving it candy is bad for its health(教材 P12 喂养提示改编)
核心搭配:be good for health(对健康有益)、be bad for eyes(对眼睛有害)
(二)短语搭配配套练习
基础题(考用法)
1. 填空:My classmate (来自)Shanghai, and she often tells us about her hometown.
(答案:is from/comes from)
解析:本题考 be from 和 come from 的用法,对应教材 P5 对话核心考点。易 错原因:第三人称单数作主语时,come 需加 s ,容易遗漏变形。
2. 选择填空:We should (care for/look after)the class pet well when the teacher is not in the classroom.
(答案:care for/look after)
解析:本题考同义短语辨析及用法,对应教材 P8 练习考点。易错原因:忽略 well 需放在 look after 之后、take care of 中间,本题无宾语干扰,两者均可。
变式题(考易错点)
1. 改错:He is friendly for all his classmates and they all like him. (答案:for →to)
解析:本题考 be friendlyto 的固定搭配,对应教材 P6 短语考点。易错原因: 混淆介词 to 和for 的用法,固定短语需用介词 to。
2. 填空 : People shouldn't cut ( down it/it down ) because trees are important for animals.
(答案:it down)
解析:本题考动词+副词短语的代词位置,对应教材 P11 语法重点。易错原因:
不清楚代词需放在动词和副词中间,误写为 down it。
四、必掌握
重点语法(教材关联+实用细节+配套练习)
(一)核心语法清单(附教材关联标注)
1. 名词复数特殊变化
教材 P6 词汇板块重点:fox →foxes、wolf →wolves(改编)
简化规则:一般名词加 s ;以 x 、s 、sh 、ch 结尾加 es ;以 f/fe 结尾变 v 加 es; 特殊变化需记忆(如 mouse → mice)
易错点:忽略 x/f/fe 结尾的特殊变化,直接加 s;混淆可数名词和不可数名词的 复数用法
教材场景例句 :There are two mice in the classroom's storage room; they might be looking for food(教材 P6 动物复数场景改编)
2. 形容词和副词的用法区别
教材 P10 语法板块原句:“Be careful! Drive carefully.”(改编)
简化规则:形容词修饰名词(放在名词前),副词修饰动词、形容词或整个句 子(多在动词后)
易错点:混淆形容词和副词的形式(如用 careful 修饰动词);忘记副词的 ly 后缀
教材场景例句:The careful student observes the animal carefully and writes
down its habits(教材 P10 观察活动场景改编)
3. 特殊疑问句(Why/Where/What 引导)
教材 P5
P7 对话核心句型:“Where are they from ”“Why do you like them ”(改编)
简化规则:Why 引导用 Because 回答;Where 引导询问地点,用“be from/come from+地点” 回答;What 引导询问事物,直接回答具体内容
易错点:疑问句语序错误(如 Why you don't like it );be 动词和实义动词混 淆使用
教材场景例句:
Why do you like the class pet so much
Because it's very lovely(教材 P7 对话场景改编)
4. 祈使句的否定形式(Don't+动词原形)
教材 P9 安全提示原句:“Don't touch the animals.”(改编)
简化规则:表示“不要做某事”,直接在动词原形前加 Don't,用于提醒或警告 易错点:遗漏 Don't 中的 not;后面接动词 ing 形式(如 Don't touching)
教材场景例句:Don't feed the class pet too much food—it's bad for its health
(教材 P9 喂养提示改编)
(二)语法配套练习
基础题(考用法)
1. 对划线部分提问:I like pandas because they are cute. (答案:Why do you like pandas )
解析:本题考 Why 引导的特殊疑问句,对应教材 P7 对话考点。易错原因:疑 问句语序错误,容易写成 Why you like pandas
2. 改写为祈使句否定形式:Touch the class rabbit with your dirty hands. (答案:Don't touch the class rabbit with your dirty hands.)
解析:本题考祈使句否定形式,对应教材 P9 安全提示考点。易错原因:忘记 加 Don't,或误写为 Not touch。
变式题(考易错点)
1. 改错:There are three wolfs in the picture; they look very strong. (答案:wolfs →wolves)
解析:本题考以 f 结尾的名词复数变化,对应教材 P6 词汇考点。易错原因: 直 接加 s,忽略变 f 为 v 加 es 的规则。
2. 选择填空:She does her homework (careful/carefully)and she is a (careful/carefully)student.
(答案:carefully;careful)
解析:本题考形容词和副词的用法区别,对应教材 P10 语法考点。易错原因:
混淆修饰动词和名词的词性,误将 careful 用于修饰动词 does。
五、综合练习(教材考点全覆盖)
(一)基础综合题
1. 用所给词的适当形式填空:
Many (fox)live in the forest; their (foxy)eyes help them find food. (答案:foxes;foxy)
We should ( care )for the (endanger)animals and avoid (careless).
(答案:care ;endangered ;carelessness)
2. 完成句子(用本单元短语):
这只小猫来自农村,对每个人都很友好。The little cat the countryside and everyone.
(答案:is from/comes from ;is friendly to)
不要砍伐树木,它们对动物有益。 trees because they animals.
(答案:Don't cut down ;are good for)
(二)变式综合题
1. 句型转换:
They are from Sichuan.(改为特殊疑问句) they from
(答案:Where are)
He likes dogs because they are loyal. (改为否定句 )He dogs
because they are loyal. (答案:doesn't like)
2. 改错(每句一处错误):
What does the animal looks like (答案:looks → look)
It's dangerous play with wild animals alone. (答案:play →to play)
六、拓展内容
七、
(一)同义短语替换(课标内)
1. look after = take care of(照顾)
例句:We take turns to look after the class pet in turn(教材 P8 活动改编)
2. a lot = very much(非常)例句:I like the class rabbit a lot; it's very lovely(教材 P7 对话改编)
3. keep away from = stay away from(远离)
例句:Stay away from the cage; the bird might be scared(教材 P9 安全提示改 编)
(二)校园场景拓展例句
1. 课 堂场 景 :Our English teacher often asks us to talk about our favorite animals in class(教材 P7 讨论活动改编)
2. 课 外 活 动 :We organize a "Protect Animals" speech contest and invite students to share ideas(教材 P11 环保主题改编)
七、考点总结(教材核心要求)
1. 词性转换重点:fox/wolf 等名词的复数特殊变化;care/luck 相关的多词性转 换;scary/scared 的含义区分。
2. 短语搭配重点:be from/come from 的用法及转换;动词+副词短语(如 cut down)的代词位置;be friendly to/be good for 的固定介词搭配。
3. 语法重点:特殊疑问句(Why/Where/What)的正确语序;祈使句否定形式
(Don't+动词原形);形容词和副词的用法区别。

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