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but的用法初中(but的用法及含义)

导语:but的用法小结,初一必看

一、用作连词。

意为:“而、但是、可是”等,表示语义的转折。

I want to go shopping ,but I have some other important thing to do first.

He always goes to work on foot, but he took the taxi today.

二、用作介词。

意为:“除……之外”,相当于except,多和no,nothing,nobody,all,everyone,everything,anybody,none等表示整体概念的词连用,或用于疑问词what,who,where等之后。如:

There is nothing but a ring in it.

I have nothing to do but read

三、用作副词。

意为:“仅仅”,相当于only。如:

He left but half an hour ago.

She is but a child.

四、but 还可置于表示歉意的话之后,引出向对方提出的请求或可能令对方不愉快的话语。它没有实际意义,只起连接作用,可省略。如:

I'm very sorry, (but) I can't come. 很抱歉,我不能来了。

Excuse me, (but) can you tell me how to get there? 劳驾,能告诉我去那儿怎么走吗?

五、与but构成的常见短语有:

a) not…but…(“不是……而是……”),这是一个连词词组,当其连接两个主语时,句子的谓语单数形式根据就近原则来定。如:

Not you but he is wrong.。

She is not a student, but a worker.。

b) not only…but also…(“不但……,而且……”),也用来连接两个相同的句子成分。连接主语时,其谓语动词的单复数也根据就近原则来定。如:

He speaks not only English but also Japanese.。

Not only he but also I am late for the meeting.了。

c) cannot help but do sth.表示“情不自禁做某事”,其中的help亦可省略,也可以说cannot help doing sth.。如:

The young couple couldn’t help smiling when the wedding began.

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