祈使句的用法及练习

2023-02-04 05:06:12 文档大全网 [ 字体：小中大 ] [ 阅读： ]

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祈使句,用法,练习
祈使句的用法及练习一、含义

用来表示请求、命令、劝说、叮嘱等的句子就是祈使句。祈使句一般以动词原形开头。二、形态

（一）Be型 (be+adj)

Be careful! Be dangerous!Be quiet! （二）Do型 (Do代表动词原形)

Open the door! Close the window! Go and play football! （三）Let's或Let us型

Let's go home! Let us help Mary! Let me clean the room! （四）No+动名词，多用在标语禁令中 No smoking! No parking! No spitting!

No+动名词可以与Don't+动词原形替换。 No smoking!=Don't smoke! 三、否定形式

Be型和Do型前直接加Don't，Don't be careful! Don't open the door!

Let's型可前面直接加Don't或let's后加not。 Don't let's go home!/Let's not go home! 四、反意疑问句

祈使句的反意疑问句一般用will you? Open the door,will you? Let's---用shall we? Let's go home,shall we? Let us---用will you? Let us help Mary,will you? 五、练习题

（一）用括号内所给词的适当形式填空

1． It's an important meeting.______ (not be) late. 2．_____ (look) out!A car is coming!

3．________ (not make) any noise! The baby is sleeping. 4．Let's _______(not say) anything about it. 5．________ (not let) the baby cry. 6．_____ (read) aloud,please. 7．_________ (not talk) with your classmate in the class. （二）选择题

1．Her doctor said:"____ work so hard" A stop B Don't C can't D No 2．Sindy,____ to be here at 8 o'clock.

A is sure B is sure that C will be sure D be sure 3．_____ him the secret,will you?

A Don't tell B Not to tell C Not telling D No telling 4．Please _____ look outside,look at the blackboard. A not B don't C aren't D can't 5．John,read the text for us,_____ ? A does he B will he C do you D will you 6．Let's do it at once,_____ ?

A shall we B will you C do we D do you 7．Let us do it at once,____ ?

A shall we B will you C do we D do you 8．_____ in bed, It's bad for your eyes.

A Not to read B Don't read C Don't to read D Not read 9．____ smoking!

A Don't B No C Don't to D Be not