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九年级英语（外研版）衔接必备
七八年级核心考点精讲精练
专题十二 感叹句、祈使句与固定句型
【教材出处】
七上 Unit 4 Time to celebrate：祈使句（Let's… 用法）
八下 Unit 1 Career talks：感叹句（What / How 引导）
八上 Unit 3 Make it happen!：固定句型（It's + adj. + for/of sb to do）
八下 Unit 3 What makes a great team ：固定句型（It takes sb + 时间 + to do；too…to…）
七下 Unit 2 Go for it!：固定句型（Why not… / Why don't you… ）
八上 Unit 1 This is me：固定句型（had better do /had better not do）
【考点精讲】
考点一 感叹句
感叹句用于抒发惊讶、喜悦、赞美等强烈情绪，句末用感叹号，由 What、How 引导。
（一）四种基础结构
引导词 句式结构 例句
What What + a/an + 形容词 + 可数名词单数 + 主 + 谓！ What a beautiful girl she is!
What What + 形容词 + 可数名词复数 + 主 + 谓！ What beautiful flowers they are!
What What + 形容词 + 不可数名词 + 主 + 谓！ What delicious food it is!
How How + 形容词 / 副词 + 主 + 谓！ How beautiful the girl is!
补充：
a/an 判断标准：名词发音以元音音素开头用 an，辅音音素开头用 a
What an interesting story!（元音音素开头）
What a useful book!（辅音音素开头）
（二）What 与 How 快速区分口诀
后有名词短语用 What，只有形 / 副无名词用 How
________ beautiful girl she is! → 有名词 girl → What
________ beautiful the girl is! → 无名词，只有形容词 → How
________ fast he runs! → 副词 fast，无名词 → How
________ interesting books they are! → 名词 books → What
________ interesting the books are! → 只有形容词 → How
（三）口语简化形式
可省略主语 + 谓语，只保留感叹部分：
What a beautiful girl!（省略 she is）
How wonderful!（省略 it is）
（四）What、How 句型互换
核心：What 后名词放到 How 句主语位置，形容词不变
What a beautiful girl she is! = How beautiful the girl is!
What delicious food it is! = How delicious the food is!
What interesting books they are! = How interesting the books are!
考点二 祈使句
表命令、请求、劝告、建议，主语 you 默认省略，谓语一律用动词原形。
（一）三种基础句式
句式 结构 例句
肯定祈使句 动词原形 + 其他 Open the door, please.
否定祈使句 Don't / Never + 动词原形 + 其他 Don't be late. / Never give up.
Let 型祈使句 Let + 宾语 + 动词原形 Let me help you.
易错提醒：否定不加 to
Don't to be late.
Don't be late.
（二）Let's 与 Let us 对比
短语 含义 反意疑问句 例句
Let's 包含听话人，咱们 shall we Let's go, shall we
Let us 不包含听话人，请允许我们 will you Let us go, will you
（三）祈使句统一反意疑问句规则
Let's …，shall we
所有其他祈使句（肯定 / 否定、Let us），统一用 will you
Open the door, will you
Don't be late, will you
Let us go, will you
考点三 教材核心固定句型
1. It's + 形容词 + for/of sb + to do sth
it 为形式主语，真正主语是后面不定式 to do
for sb：形容词描述事情本身性质（easy/difficult/important/necessary）
It's important for us to learn English well.
of sb：形容词描述人的品格品质（kind/nice/clever/foolish/polite）
It's kind of you to help me.
2. It takes /took/will take sb + 时间 + to do sth
含义：做某事花费某人多长时间，take 随时态变形
It takes me half an hour to get to school.（一般现在时）
It took her two hours to finish the work.（一般过去时）
It will take us three days to get there.（一般将来时）
3. so…that… /such…that… 如此…… 以至于……
结构 用法 例句
so + 形 / 副 + that so 后直接加形容词、副词 She is so young that she can't go to school.
so + 形 + a/an + 单数可数名词 + that so 修饰形容词再接单数名词 She is so young a girl that she can't go to school.
such + a/an + 形 + 单数可数名词 + that such 搭配完整名词短语 She is such a young girl that she can't go to school.
such + 形 + 复数名词 + that such 修饰复数名词短语 They are such interesting books that everyone likes them.
such + 形 + 不可数名词 + that such 修饰不可数名词短语 It is such delicious food that everyone enjoys it.
互换公式：so + 形容词 + a/an + 单数名词 = such + a/an + 形容词 + 单数名词
so beautiful a girl = such a beautiful girl
4. …enough to do… / too…to…
结构 含义 例句
形 / 副 + enough + to do 足够…… 可以做…… She is old enough to go to school.
too + 形 / 副 + to do 太…… 而不能……（自带否定，不加 not） She is too young to go to school.
易错点：enough 修饰形容词 / 副词后置
enough old
old enough
5. Why not… / Why don't you…
表委婉建议：为什么不……？后均接动词原形
Why not go to the park
Why don't you go to the park
6. had better (not) do sth
最好做 / 最好不要做，口语缩写 'd better，后接动词原形
You had better finish your homework first.
You had better not stay up late.
四、失分点整理
What/How 混用
How beautiful girl she is!
What a beautiful girl she is!（后有名词 girl）
What beautiful the girl is!
How beautiful the girl is!（无名词）
祈使句反意疑问混淆
Let's go, will you
Let's go, shall we
Let us go, shall we
Let us go, will you
for /of 区分不清
It's kind for you to help me.
It's kind of you to help me.（kind 形容人品格）
It's important of us to study hard.
It's important for us to study hard.（important 形容事情）
so /such 结构错误
It is so interesting book that everyone likes it.
It is such an interesting book that everyone likes it.（后接名词短语）
The book is so interesting that everyone likes it.（后接形容词）
enough 位置错误
He is enough old to go to school.
He is old enough to go to school.
had better 否定多加 to
You had better not to go.
You had better not go.
五、九年级衔接预览
Unit 2 On the money：大量使用 Why not、Why don't you、had better 提建议；
Unit 5 A fine balance：高频使用 so…that…、such…that… 引导结果状语从句；
复习重点：感叹句辨析、祈使句反意疑问、for/of 句型、so/such 与 too/enough 结构。
三级过关精练
过关一 基础达标
一、用 What / How 填空
________ a beautiful day it is!
________ fast he runs!
________ delicious food we had!
________ clever the boy is!
________ interesting books they are!
________ wonderful the movie is!
________ a lovely dog it is!
________ hard they are working!
________ beautiful flowers these are!
________ heavy the box is!
二、单项选择
________ interesting story it is!
A. How B. What C. What a D. What an
________ fast he drives!
A. How B. What C. What a D. What an
Let's go to the park, ________
A. will you B. shall we C. don't you D. won't you
Don't be late again, ________
A. are you B. shall we C. do you D. will you
Let us do it by ourselves, ________
A. will you B. shall we C. don't you D. won't you
It's kind ________ you to help me.
A. for B. of C. to D. with
It's important ________ us to learn English well.
A. for B. of C. to D. with
You ________ better finish your homework first.
A. have B. are C. had D. will
She is ________ young to go to school.
A. enough B. too C. very D. so
He is old ________ to take care of himself.
A. enough B. too C. very D. so
过关二 能力提升
三、用括号词适当形式 /for/of 填空
It's necessary ________ us to protect the environment.
It's clever ________ her to solve the problem.
The box is too heavy for me ________ (carry).
She is ________ (tall) enough to reach the top shelf.
He had better ________ (go) to bed early.
四、单项选择
________ beautiful the sunshine is!
A. How B. What C. What a D. What an
Let's clean the classroom, ________
A. will you B. don't you C. shall we D. won't you
________ nice weather it is!
A. How B. What C. What a D. What an
You had better ________ in the street. It's dangerous.
A. not playing B. not to play C. don't play D. not play
It's time ________ us to go home.
A. for B. of C. to D. with
The movie is ________ interesting that everyone likes it.
A. such B. so C. very D. too
She is ________ a kind girl that everyone likes her.
A. such B. so C. very D. too
It takes me an hour ________ to school.
A. get B. got C. getting D. to get
Why ________ go to the museum this weekend
A. don't B. not C. didn't D. doesn't
He is ________ tired that he can't walk any further.
A. too B. very C. so D. such
过关三 综合突破
阅读短文，填入合适词或所给词适当形式
Do you know ________ 36 important it is to protect the environment It's important ________ 37 us to do something. ________ 38 a beautiful world we live in! We should do our best to keep it clean.
First, we had better ________ 39 (not waste) water. It takes a lot of energy ________ 40(make) clean water. Second, we should not use plastic bags. They are ________ 41 (harm) to the environment. Third, we can walk or ride bikes ________ 42of driving cars. It's good ________ 43our health and the environment.
Let's start from now, ________ 44 we ________ 45small actions can make a big difference!
参考答案与解析
过关一 基础达标
一、What/How 填空
What（后有名词短语 a beautiful day）
How（修饰副词 fast，无名词）
What（不可数名词 food）
How（形容词 clever，无名词）
What（复数名词 books）
How（形容词 wonderful）
What（单数名词 a lovely dog）
How（副词 hard）
What（复数名词 flowers）
How（形容词 heavy）
二、单项选择
D 解析：interesting 元音音素开头，可数名词单数，What an
A 解析：修饰副词 fast，无名词用 How
B 解析：Let's 反意疑问 shall we
D 解析：否定祈使句统一 will you
A 解析：Let us 反意疑问 will you
B 解析：kind 形容人的品格用 of
A 解析：important 形容事情用 for
C 解析：固定搭配 had better
B 解析：too…to… 太…… 而不能
A 解析：old enough to 足够大能够……
过关二 能力提升
三、词形 / 介词填空
for （necessary 描述事情）
of （clever 形容人）
to carry （too…to do 固定结构）
tall （enough 前用形容词原形）
go （had better 后接动词原形）
四、单项选择
A 修饰形容词 beautiful，无名词用 How
C Let's 搭配 shall we
B weather 不可数名词，What + 形 + 不可数名词
D had better not + 动词原形
A It's time for sb to do 固定句型
B so + 形容词 + that 从句
A such + a/an + 形容词 + 单数名词
D It takes sb + 时间 + to do
B Why not + 动词原形提建议
C so + 形容词 tired + that 从句
过关三 综合突破（语篇填空）
how 感叹句修饰形容词 important
for important 描述保护环境这件事
What a 单数可数名词 world
not waste had better not do
to make It takes…to do
harmful be harmful to 对…… 有害
instead instead of 代替
for be good for 对…… 有益
shall Let's 反意疑问 shall we
How How 引导感叹句，修饰整个句子

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