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as ,for,since,because的区别
人气:220 ℃ 时间:2019-12-13 15:28:17
解答
as,because,since,for用法区别
前三者引导原因状语从句,for引导的则为并列句.
as表示明显原因,语气较because强,例如:
As it is raining,we’ll stay (at) home.
because表示内在的、必然的因果关系,语气较强,例如:
He has to leave because it is too late.
since表示鉴于某种既定事实而为之,语气较弱,例如:
Since everyone is here,we can begin our lesson.
for只是作为补充说明,不用于某种结果之前,表示判断某种情况的因素,语气较because弱,但较为郑重、正式,不能放在句首,例如:
I’ll stay home,for I must wait for a friend.
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