省to 的動(dòng)詞不定式介紹
小升初必備語法:省to 的動(dòng)詞不定式
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1) 情態(tài)動(dòng)詞 ( 除ought 外,ought to):
2) 使役動(dòng)詞 let, have, make:
3) 感官動(dòng)詞 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作賓補(bǔ),省略to。
注意:在被動(dòng)語態(tài)中則to 不能省掉。
i saw him dance.
=he was seen to dance.
the boss made them work the whole night.
=they were made to work the whole night.
4) would rather,had better:
5) why… / why not…:
6) help 可帶to,也可不帶to, help sb (to) do sth:
7) but和except:but前是動(dòng)詞do時(shí),后面出現(xiàn)的動(dòng)詞用不帶to的動(dòng)詞不定式。
8) 由and, or和than連接的兩個(gè)不定式,第二個(gè)to 可以省去:
9) 通常在discover, imagine, suppose, think, understand等詞后,可以省去to be:
he is supposed (to be) nice. 他應(yīng)該是個(gè)好人。
舉例:
he wants to move to france and marry the girl.
he wants to do nothing but go out.
比較: he wants to do nothing but go out.
he wants to believe anything but to take the medicine.
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