動詞不定式是如何否定的

  以下是小編為大家整理的動詞不定式的用法總結,希望能幫助大家更好地認識動詞不定式這個句型,提高英語水平。

  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. 我走過的時候,她假裝沒看見。

  典型例題

  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 後應接不定式。其否定形式為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 的否定形式為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. 的否定形式為warn sb not to do sth. 此處用的是否定詞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 為not to do it 的省略形式。可以只用to這個詞,而不必重複整個不定式片語。及物動詞do後應有名詞、代詞等,否則不對,因此B,D不對。

  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一詞要求後用不定式,此處為不定式的被動,否定形式為be warned not to do。

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