句型:祈使句知识点综合讲解及习题专练(附答案)

. 祈使句:

1.定义:用来表达请求,命令,劝告,警告,禁止等的句子;以动词原形开头,否定形式在句首加don’t;隐含主语为you;

e.g. Go and wash your hands.

        Watch your steps.

        Be kind to your sister.

2. 结构:

(1)Do型:

肯定结构;动词原型+其它成分

否定结构:Don’t+肯定结构

e.g. Eatin the classroom.

        Don’t eat in the classroom.

(2)Be型:

肯定结构:Be +表语+其它成分

否定结构:Don’t+肯定结构

e.g. Be a good student!

        Don’t be late for school!

(3) Let型:

肯定结构:Let+宾语+动词原形+其它成分

否定结构:Don’t+肯定结构

                    Let+宾语+not+动词原形+其它成分

e.g. Let him go.

      Don’t let him go.

      Let him not go.

3.祈使句的回答:祈使句通常用将来时来回答,如Ok, I will或者Sorry, I won’t.

e.g. Don’t speak loudly.

      Sorry, I won’t.

      Open your book, please.

      Ok, I will.

4.句型:祈使句,and/or +句子(将来时)

(1) and表示递进,这样做的话,就会怎么样,结构为祈使句,and+句子(用将来时)

    e.g. Work hard, and you will get good grades.

            Stay here, and you will know the truth.

(2) or表示否则,这样做的话,否则会或不会怎么样,结构为祈使句,or+句子(用将来时)。

e.g. Work hard, or you won’t get good grades.

        Take the umbrella, or you will get wet.

5.祈使句的反义疑问句:

(1)Let’s(包括说话者) let us(不包括说话者)句型中的反义疑问句;含有let’s的反义疑问句,需用shall we;含有let us的反义疑问句需用will you

      e.g.Let’s go to school together, shall we?

            Let us do our homework, will you?

(2)以动词原形开头的反义疑问句的写法:若前半句为肯定,通常用will you;若为否定,则用won’t you.

  e.g. Don’t speak loudly, will you?

      Stay at home tonight, won’t you?

二.习题专练及参考答案:

(一)习题专练:

……

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作者:dingding
链接:https://www.techfm.club/p/130499.html
来源:TechFM
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