英語四級考試如何復習,什么是重點要點和高頻考點,這是很多考生的疑問。對此,新東方在線整理了2023年12月大學習英語四級語法常識:不定式的特殊句型so as to,供各位考生參考。

2023年12月大學習英語四級語法常識:不定式的特殊句型so as to

7.9 省to 的動詞不定式

1) 情態動詞 :

2) 使役動詞 let, have, make:

3) 感官動詞 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作賓補,省略to。

注意:在被動語態中則to 不可以省掉。

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 do sth:

7) but和except:but前是動詞do時,后面出現的動詞用不帶to的動詞不定式。

8) 由and, or和than連接的兩個不定式,第二個to 可以省去:

9) 一般在discover, imagine, suppose, think, understand等詞后,可以省去to be:

He is supposed nice.他應該是個好人。

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.

典型例題

1) ---- I usually go there by train.

---- Why not ___ by boat for a change?

A. to try going B.trying to go C.to try and go D.try going

答案:D. why not 后面接不帶to 的不定式,因此選D。

2) Paul doesnt have to be made ___. He always works hard.

A. learn B. to learn C. learned D. learning

答案:B. make后接不帶to 的動詞不定式,當其用于被動時,to 不可省略。

以上就是新東方在線英語四級語法頻道給大伙收拾的“2023年12月大學習英語四級語法常識:不定式的特殊句型so as to”有關內容,期望可以給大伙備考帶來幫助!