人教版小升初总复习精讲精练之句型：祈使句（含答案）

小升初英语总复习精讲精练之祈使句
【精讲】今天我们来复习一下小升初常考的最后一个句型：祈使句。祈使句多表示命令、警告、提醒，建议、请求等，主语You通常被省略，以动词原形开头，句尾用句号或者感叹号。我们一起看看下面几个句子：
1、Stand up, please.?请起立！
2、Please keep quiet!?请保持安静！
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[祈使句的分类]
祈使句按照人称可以分为第一人称祈使句，第二人称祈使句和第三人称祈使句。每一种祈使句都有肯定形式和否定形式。上面的例句很明显是第二人称祈使句，省略了你或你们。否定形式直接在句首加Don't。我们一起看看第二人称祈使句的肯定形式和否定形式：
肯定：Open the door!
否定：Don’t open the door.
肯定：Put on your shirt.
否定：Don’t put on your shirt.
肯定：Go home now!
否定：Don’t go home now!
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看完了第二人称祈使句，我们再来看看第一人称祈使句的肯定和否定形式。第一人称祈使句通常以Let’s或者Let me开头，后面接动词原形，否定形式直接在动词原形前加not。
肯定：Let’s go out and play.
否定：Let’s not go out and play.
肯定：Let’s do our homework now.
否定：Let’s not do our homework now.
肯定：Let me have a look.
否定：Let me not have a look.
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最后我们再来看看第三人称祈使句的肯定和否定形式。第三人称祈使句以Let him/ her/it/them?开头，后面接动词原形，否定形式直接在句首加don’t。??
肯定：Let him be here by 8 o’clock.
否定：Don’t let him be here by 8 o’clock.
肯定：Let her do it by herself.
否定：Don’t let her do it by herself.
肯定：Let it go.
否定：Don’t let it go.
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祈使句还有一种形式，即：No+名词/动名词，表示禁止。一般用于指示、标牌、布告等：
No smoking?禁止吸烟? ? ?No parking?禁止停车
No camera??禁止拍照? ? ?No entry?禁止进入
No fishing???禁止钓鱼? ? ? ?No climbing?禁止攀爬
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【精练】
一、将下列祈使句改为否定形式：
1、Stop, please.
2、Give her a pen.
3、Brush your teeth now.
4、Let the bird fly away.
5、Let’s watch TV after supper.
6、Let’s cross the road together.
7、Put on your new shoes.
8、Let them finish their homework now.
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二、将下列祈使句改为肯定句：
1、Don't go there with them.
2、Don't turn on the TV.
3、Don't let her open the window.
4、Let's not walk around the tree.
5、Let’s not talk about the movie.
6、Don't feed the bird
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【精练答案】
一、
1、Don't stop, please.
2、Don't give her a pen.
3、Don't brush your teeth now.
4、Don't let the bird fly away.
5、Let’s not watch TV after supper.
6、Let’s not cross the road together.
7、Don't put on your new shoes.
8、Don't let them finish their homework now.
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二、
1、Go there with them.
2、Turn on the TV.
3、Let her open the window.
4、Let’s walk around the tree.
5、Let’s talk about the movie.
6、Feed the bird.