smiley0603
一、祈使句的语法概念及特点 英语中,祈使句是用来表示请求、命令、劝告、建议等内容的句子.一般说来,祈使句有以下特点：1、祈使句的主语（即说话的对象,也就是听话者）为第二人称（即you）,但习惯上会被省略.2、祈使句的谓语动词一律用原形.3、祈使句句末的标点符号一般是句号或感叹号.4、 表示委婉、客气的语气时,还可以在句首或句末加上please.但是放在句末时,please前通常须加逗号.如：Be quiet,please.请安静.Please take your seat.请坐.二、祈使句的分类 按照祈使句谓语动词的不同,我们通常可以将祈使句分成如下三种类型：1、Be型祈使句：即以连系动词be打头的祈使句.如：Please be careful next time.下次请小心些.2、Do型祈使句：即以行为动词原形打头的祈使句.如：Go straight along this street,please.请沿此街笔直走.3、Let型祈使句：即以动词let开头的祈使句.如：Let’s go out to dinner.我们出去吃饭吧.Let it be!就让它这样!但是,有时说话人为了加强说话的语气或者其他别的目的,也可能会用以下两种加强语气的祈使句：1、在祈使句的肯定句中的谓语动词之前加助动词do,表示“务必（一定）……”.如：Do write to me.一定写信给我.Do be quiet in the library!在图书馆务请保持安静.2、说出主语you来,加强语气.但是在否定句中,you必须放在don’t之后.此时的you在句子中必须重读.如：You stand up!你——站起来!Don’t you eat on the bed.你可别再在床上吃东西了.三、祈使句的否定句 1、Be型和Do型的祈使句由肯定式变否定式时,是在谓语动词前加don’t.例如：Don’t be late for school.上学别迟到.Don’t play football in the street.别在街上踢球.2、Let型的祈使句又肯定式转否定式时,分以下两种情况：1）以Let’s（注意：不是Let us）打头的祈使句,在Let’s后加not.例如：Let’s watch TV now.→ Let’s not watch TV now.Let’s go together.→ Let’s not go together.2) 其他以Let（注意：含Let us）开头的祈使句,在let前加don’t.例如：Let us do it again.→ Don’t let us do it again.Let her go home.→ Don’t let her go home.四、祈使句的反意疑问句 1）以Let’s（注意：不是Let us）打头的祈使句,用“shall we?”.例如：Let’s play soccor together,shall we?2) 其他祈使句,用“will you?”.例如：Let us have a try,will you?Don't make any noise,will you?,7, 画语漫天 举报 为什么e upstairs and see it 在英语中不能用e upstairs to see it.求详解。 举报 刘丽莉 两个句子的意思不一样。 e upstairs and see it ：上楼来看看，表示说话者正在楼上，跟楼下的人在说话。 e downstairs and see it ：下楼来看看，表示说话者正在楼下，跟楼上的人在说话。 两个语法都是正确的，只是意思明显不一样 ～ 画语漫天 举报 不对唉，你没看清楚，给我解释明白了就采纳你哟 举报 刘丽莉好啦，再想想 画语漫天 举报 嘻嘻。 举报 刘丽莉 如果e upstairs and to see it 就是动词不定式做目的状语了 表示上楼梯的目的就是为了看它 而不带to，则表示上楼前并无此目的，只是上楼后才看到的，属于偶然 举报 刘丽莉 你看看吧，我的知识也只有这地步了 画语漫天 举报 嘻嘻这个没解释出来唉，不过上面那个解释出来了，就采纳你吧。下面那个也是关系祈使句的用法。 嘿嘿，道行太浅了，得继续修炼,【定义】 祈使句是用来表示请求、命令、劝告、建议等内容的句子。 【特点】 1、主语为第二人称You，习惯上会被省略。 【分类】 1、be +形容词 Be honest！诚实点！ 2、行为动词原形 开头 e on！加油！ 3、Let *** do sth让某人做某事吧 Let’s go！ 出发吧！...,2,
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英语祈使句的结构及用法
导语：用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句。下面是我整理的英语祈使句的结构及用法，欢迎参考!
祈使句的结构
1) 祈使句有两种类型，一种是以动词原形开头，在动词原形之前加do (但只限于省略第二人称主语的句子)。
Take this seat.
Do be careful.
否定结构：
Don't move.
Don't be late.
2) 第二种祈使句以let开头。
Let 的反意疑问句
a. Let's 包括说话者
Let's have another try，shall we / shan't we?
= Shall we have another try?
b.Let us 不包括说话者
Let us have another try，will you / won't you?
= Will you please let us have another try?
否定结构：
Let's not talk of that matter.
Let us not talk of that matter.
如何引用祈使句
祈使句如要引用，多使用一个不定式，前面的谓语形式根据语气决定。如：
“Wake him up,” she said.
→She told me to wake him up.
“See a neurologist,” the doctor said.
→The doctor advised me to see a neurologist.
“Stay where you are and don’t move,” commanded the sergeant.
→The sergeant commanded the man to stay where he was and not to move.
“Carry the trunk upstairs,” Mr. Brown said.
→Mr. Brown ordered the men to carry the trunk upstairs.
■能跟这种结构的动词有：
advise ask beg command forbid instruct invite order
persuade remind teach tell urge warn
祈使句的分类及例句
1.祈使句构成方式：动词原形+其他。如：Please buy some bananas for me.请为我买一些香蕉。
2.祈使句否定形式：在动词原形前+Don't。如：Don't look ou of the window.不要向窗外看。
3.祈使句的反意疑问句用will you/won't you。以let's开头的祈使句的'反意疑问句部分用shall we。以let us开头的祈使句的反意疑问句部分用will you/shall we。如：Don't swim here,will you?不要在这游泳，好吗? Let's go to the zoo,shall we?让我们去动物园吧，好吗?
4.let引起的祈使句：肯定形式为Let+sb+动词原形+其他;否定形式为Let+sb+not+动词原形+其他/Don't let+sb+do+其他。如：Let's join the soccer club.让我们加入足球俱乐部吧。 Don't let them play with fire.别让他们玩火。
5.禁止祈使句：No+n./ v.ing。如：No smoking!禁止吸烟!
拓展：初中英语祈使句练习题精选
一. 用括号内所给动词的适当形式填空。
1. Its an important meeting. _________________ (not, be )late.
2. ________________ (not,make) any nise! Your mother is sleeping.
3. ________________ (not, speak) with your mouth full of food and _________ (be) polite.
4. ________________ ( not, talk) and ____________ (read) aloud.
5. _______________ (not,leave) your homework for tomorrow, Larry.
6. ________________ (look) out! A car is coming.
7. _______________ (give) us ten years and just see what our country will be like.
8. ________________ (not, let) the baby cry.
9. Wear more clothes or you ____________ (catch) a cold. 10. Lets _______________ (not, say) anything about it.
二、单项选择
1. The TV is too loud. Please________.
A. turn it down B. to turn it down C. turn down it D. to turn down it
2. _______ late again, Bill!
A. Dont to be B. Dont be C. Not be D. Be not
三 、 将下列句子变成感叹句：
1. It is quite a nice present.→_____ _____ nice present!
2. We have fine weather today.→ _____ _____ weather we have today!
3. It’s sunny today.→_____ _____ sunny day it is today!
4. The children are working hard.→ _____ _____ the children are working!
5. She played basketball wonderfully.→ _____ _____ she played basketball!
6. He is good at singing.→_____ _____ he sings!
7. He was doing well in dancing.→ _____ a _____ dancer he was!
8. Tom coughs badly.→_____ _____ _____ cough Tom has!
9. The fish is very lovely.→_____ _____ the fish is!
10. They live a happy life today.→ _____ _____ _____ life they live!
四、 将下列句子变成祈使句：
11. Would you like to wait a moment?→_____ _____ a moment.
12. Can I use your bike?→Please _____ _____ your bike.
13. You’d better not smoke here.→_____ _____ here.
14. You must be careful with your handwriting. _____ _____ with your handwriting.
15. Will you please not play with my pencil? →____ ____ with my pencil,____.
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