Unit 6 Let’s Go
单元语法聚焦六
祈使句
用于表达命令、请求、劝告、警告、禁止等的句子叫作祈使句。祈使句的说话对象是第二人称，常被省略。祈使句的谓语动词用动词原形。下面介绍祈使句的几种句型结构：
一、肯定句式：
1．行为动词原形＋其他成分！
Watch the movie! 看电影！
Stand up, please! 请起立！
2．系动词be＋表语！
Be quiet, please! 请安静！
Be careful！小心！
二、否定句式：
1．Don't＋行为动词原形＋其他成分！
Don't do that again! 别再那样做了！
Please don't worry about me!
请不要为我担心！
2．Don't＋系动词be＋其他成分！
Don't be late! 别迟到！
Don't be too early! 别太早！
3．let引导的祈使句的否定形式
(1)Don't＋let＋宾语＋宾语补足语．
Don't let him watch TV.
别让他看电视了。
Don't let me do that again.
别再让我做那件事了。
(2)Let＋宾语＋not＋动词原形．
Let's not talk about that.
咱们别谈论那件事情了。
Let her not write again.
别再让她写了。
Ⅰ.单项选择
( )1.2017·白银 Boys and girls, ________ learning and have fun.
A．keep B．to keep
C．keeping D．kept
( )2.2017·长沙改编________ carefully, please! Look at the road sign. There is a school ahead.
A．Drive B．To drive
C．Driving D．Drives
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( )3.________ call(叫) me Wangwang. It's my dog's name.
A．Not B．No
C．Don't D．Any
( )4.________ hard and you'll succeed(成功) sooner or later(迟早)．
A．Study B．To study
C．Studying D．Studied
( )5.________ quick, please!
A．Is B．Are
C．Am D．Be
( )6.—Don't copy others' homework anymore!
—________， Miss Smith.
A. OK, I will B. Sorry, I won't
C. OK, I don't D. Yes, I won't
( )7.2017·永州改编David, ________ make trouble at school.
A．can't B．don't
C．doesn't D．won't
( )8.2017· 长春________ for me at the bus station across from the post office. I can find you easily.
A．Wait B．To wait
C．Waiting D．Waits
( )9.2017·重庆________ throwing those stones, please.
A．Stop B．Stops
C．Stopping D．Stopped
( )10.—________ run in the hallways, Mike.
—Sorry, Ms. Clark.
A．Don't B．Please
C．No D．Do
Ⅱ.根据汉语意思完成句子
1．请快点儿走。
________ ________ quickly.
2．请起立。
Please ________ ________．
3．这个故事很有趣，让我们一起来读一读吧。
The story is very interesting. ________ read it together.
4．请保持安静。
Please ________ ________．
5．别站在外面。外面很冷。
________ ________ outside. It's very cold outside.
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教师详解详析
语法精练
Ⅰ.1.A 2.A 3.C 4.A 5.D 6.B 7.B
8．A 考查动词词形辨析。由句意判断，此句为肯定祈使句，应以动词原形开头，故选A。
9．A 10.A
Ⅱ.1.Please go
2．stand up 3.Let's
4．be/keep quiet
5．Don't stand
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