英语表示因果推理关系的连词

2022-04-07 04:30:09   文档大全网     [ 字体: ] [ 阅读: ]

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连词,英语,因果,推理,表示
英语表示因果推理关系的连词

表示因果推理关系的连词:主要有so, for, then, therefore等。

The air here is polluted, so the crops are dying.

It must be late, for I have been here a long time.

温馨提示:forbecauseassince在用法和意义上的区别:

1 for引导的句子是并列分句,只能后置,并用逗号与前面的句子隔开。主要用来表示推测性原因,或附带解释、说明前一分句的情况。

The electric current must have been turned off, for the light went out.


2 because用来引导表示直接原因的从句,语气很强,明确地说明因果关系。其引导的从句可置于句首、句末或句中。He is absent today because he is ill.

for引导分句表示因果关系时,它可以和because互换使用。

如上句也可以说成:He is asent today, for he is ill.

但表示推测性原因,就不能互换使用。He must be ill, for he is absent today.

3 sinceas都是不讲自明的原因,是已知的原因,as的语气比since要弱。

Since (As) you don't feel well, you had better stay at home.







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