动词不定式是如何否定的

发布时间:2016-11-15 14:58

以下是小编为大家整理的动词不定式的用法总结,希望能帮助大家更好地认识动词不定式这个句型,提高英语水平。

不定式作否定例句|:

Tell him not to shut the window…

She pretended not to see me when I passed by. 我走过的时候,她假装没看见。

典型例题

1) She pretended ___ me when I passed by.

A. not to see B. not seeing C. to not see

D. having not seen

答案:A。 pretend 后应接不定式。其否定形式为pretend not to do sth.。

2)Tell him ___ the window.

A. to shut not B. not to shut C. to not shut

D. not shut

答案:B。 tell sb to do sth 的否定形式为tell sb not to do sth.

3)Mrs. Smith warned her daughter ___ after drinking.

A. never to drive B. to never driver

C. never driving D. never drive

答案:A。warn sb to do sth. 的否定形式为warn sb not to do sth. 此处用的是否定词never.

4) The boy wanted to ride his bicycle in the street,but his mother told him ____.

A. not to B. not to do C. not do it

D. do not to

答案:A。not to 为not to do it 的省略形式。可以只用to这个词,而不必重复整个不定式词组。及物动词do后应有名词、代词等,否则不对,因此B,D不对。

5) The patient was warned ___ oily food after the operation.

A. to eat no B. eating not C. not to eat

D. not eating

答案:C。warn一词要求后用不定式,此处为不定式的被动,否定形式为be warned not to do。

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