谢孟媛英文文法中级

代不定词

You don't have to eat it if you don't want to(eat it).

A: How about coming to our house?

B: I'd like to if I won't be any trouble.

分离不定词   to 副词 VR

I wish to utterly forget my past.

She made up her mind never to return.

decided to VR

独立不定词

to speak strictly 严格来说

to be Frank with you 坦白说

to begin with 一开始

to be say +形容词

character(个性)

French(法语)

German(德语)

He can speak French and German , to say nothing of English.

It would be foolish ,not to say crazy, to say such a thing.

had better +VR   最好

We had better leave(让...保持) it  unsaid.

would rather+VR...than +VR

had sooner+Vr...than +VR

宁愿...而不愿

I would rather go with you than stay here alone.

我宁愿和你去也不愿独自呆在这。

do nothing but +VR 什么都不做只....

He did noting but eat all day.

choose/want     nothing but +to V

expect/desire   除了..其它 都不想

She desires nothing but to live peacefully(平静地)。

她除了想要平静地生活其它什么都不想

cannot but +VR     不得不...忍不住

cannot help +Ving

cannot help but +VR

When I heard the news,I couldn't but cry.

have only to V 只要做...就行

You have only to follow his counsel。

==All you have to do is to follow his counsel.

used to V  从前习惯...过去经常

My  father used to smoke.(but now he doesn't).

be used to(介系词) Ving  习惯

I am used to staying up late at night.