动词不定式是如何否定的
动词不定式是如何否定的
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|：
学习啦在线学习网 Tell him not to shut the window…
学习啦在线学习网 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
学习啦在线学习网 答案：A。 pretend 后应接不定式。其否定形式为pretend not to do sth.。
学习啦在线学习网 2)Tell him ___ the window.
学习啦在线学习网 A. to shut not B. not to shut C. to not shut
学习啦在线学习网 D. not shut
学习啦在线学习网 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.
学习啦在线学习网 A. never to drive B. to never driver
学习啦在线学习网 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 ____.
学习啦在线学习网 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。
学习啦在线学习网 5) The patient was warned ___ oily food after the operation.
学习啦在线学习网 A. to eat no B. eating not C. not to eat
学习啦在线学习网 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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