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1.表示“建议” 这个句型里的let后头紧跟着一个第一人称的代词宾语， 如：
Let me try. Let’s do it. Let me go and look for it.
这个句型语气委婉，比直接的祈使句客气。 试比较a和b:
a. Don’t disturb him. b. Let’s not disturb him.
是直接命令，语气强烈，不如温柔悦耳。.表示间接命令或愿望。
这句型里的动词宾语是第三人称名词或代词，如： Let Robert take charge of the marketing department. Let her join our choir. .表示警告蔑视威胁等。 这种祈使句里的宾语也是第三人称为主。除了口气凶悍之外，有时还语带讽刺，如： Let him try and he will expose his inability to work on his own.
； 如果宾语是第一人称，则用Let......not： Don’t let this type of things happen again.
It’s raining now. Let’s not go out until after the rain.
二、Let只适用于现在时态，可以有被动语态 ，如：
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Let the recalcitrant criminals be sent to prison. Let all the dedicated capable staff be promoted. 三、Let;后头除了是不带to的不定式动词 之外，还可以是某些适当的副词，如out, in, down, alone等： Open the windows and let the fresh air in. The room is too sunny. Let the blinds down. Let me alone, please.
四、用Let’s时，把谈话者的对象包括在内；用Let us时，并不包括对方，如： Let’s try it, shall we? Let us do it by ourselves, will you?
从里的shall we和里的will you，不难知道前者包括听话人，后者并没有。 英语祈使句练习题
I. 用括号内所给动词的适当形式填空。
1. It’s an important重要的 meeting会议. __________ late.. ____________ any noise噪音! Your mother is sleeping.
3. ____________ with your mouth full of food and ____________ polite礼貌的.. ____________ and ____________ aloud大声的.. ____________ your homework for tomorrow, Larry.6. ____________ out! A car is coming.
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7. ____________ us ten years and just see what our country国家 will be like.8. ____________ the baby cry哭.
9. Wear more clothes or you ____________ a cold感冒. 10. Let’s ____________ anything about关于 it.II. 选择填空
1 .Her doctor said: “________ work so hard辛苦”A Stop
B Don’tC Can’t D No
2. ——Sindy, ________ to be here at o’clockA is sure
B is sure that C will be sure D be sure
3.________ when you cross the road马路. A Do careB Care C Be careful D To be careful4. ________him the secret, will you? A Don’t tell B Not to tellC Not telling D No telling
5. ________ in bed. It’s bad for your eyes.A Not to read B Don’t read
C Don’t to read D Not read
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6. ________ Your child. We’ll look after him. A Not to worry aboutB Don’t worry aboutC Not worry for D Don’t worry with
7.They are very tired. Why ________ have a rest? A not they B do not they C don’t theyD not to --You look rather tired. ________ stopping to have a rest?
-- All right.
A Why not B How about怎么样______ tell a lie. A Hardly
C Why not toD why don’t B NotC No D Never绝不
10.Please ________ look outside外面. Look at the blackboard黑板. A notB don’t C aren’t D can’t 11. join us in the game? A What not B Why not C Why to D How to
1______ go for the book alone, Mrs Zhang. A Let’s B Let me
C LetusD Allow
1John, read the text for us,________? A does he B will he C do you D will you 14. Let’s do it at once, ________ ?
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A shall we
B will youC do weD do you
15. Let us do it at once, ________ ? A shall we B will youC do we D do you
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汉语祈使句练习题
