becuase for as since区别

becuase for as since区别
becuase for as since区别

becuase for as since区别
LZ "because"写错了
because,since,as,for,这几个词都是表示“原因”的连词,语气由强至弱依次为：because＞since＞as＞for ;
其中because,since,as均为从属连词,引导原因状语从句；而for 是并列连词,引导并列句.
1.because表示直接原因,它所指的原因通常是听话人所不知道的,其语气最强.
常用来回答why的提问,一般放于主句之后,也可以单独存在.
例如：
(1)I stayed at home because it rained.因为下雨我呆在家里.
(2) —Why is she absent?她为什么缺席?
—Because she is sick.因为她病了.
此外,在强调句型中,只能用because.例如：
(3)It was because I missed the early bus that I was late for school.我上学迟到是因为我没有赶上早班汽车.
2.since侧重主句,从句表示显然的或已为人所知的理由,
常译为“因为”、“既然”,语气比because稍弱,
通常置于句首,表示一种含有勉强语气的原因.
例如：
(1)Since he asks you,you'll tell him why.他既然问你,那就告诉他为什么吧.
(2)Since everyone is here,let's start.既然大家都到齐了,我们就出发吧!
3.as是常用词,它表示的“原因”是双方已知的事实或显而易见的原因,
或者理由不是很重要,含义与since相同,但语气更弱,没有since正式,
常译为“由于,鉴于”.从句说明原因,主句说明结果,主从并重.
例如：
(1)We all like her as she is kind.我们都喜欢她,因为她善良.
(2)As I had a cold,I was absent from school.因为我感冒了,所以没去上课.
4.for用作连词时,与because相似,但它所表示的原因往往提供上文未交待过的情况.
for不表示直接原因,表明附加或推断的理由,因此for被看作等立连词,
它所引导的分句只能放在句子后部(或单独成为一个句子),
并且前后两个分句间的逻辑关系不一定是因果关系,
其间用逗号隔开,且for不可置于句首,
for的这一用法常用在书面语中,较正式.
例如：
(1)The days are short,for it is now December.白天短了,因为现在已是十二月份.
(2) It must have rained,for the ground is wet.(从“地面潮湿”作出“下过雨”的推测,但地湿并不一定是下雨所致,for不可以换为because.)
(3)The ground is wet because it has rained.(“下雨”是“地上潮湿”的直接原因.)
前后两个分句间有一定的因果关系时(有时很难区分是直接原因,还是推测性原因),for与because可以互换使用.
例如：
(4)I could not go,for / because I was ill.我没能去,是因为我病了.
(5)He felt no fear,for / because he was a brave boy.他没有害怕,因为他是个勇敢的男孩.

becuase
因为的意思。。后面接从句,because that .....
或者用because of sth...后面接名词短语.
但是because的因果关系太强烈。。建议作文中尽量少用。
for
for可以表示原因,可以接从句也可以接名词短语.
比because 好一点..文章中用得比较多/
as
也可以表示"因为",...

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becuase
因为的意思。。后面接从句,because that .....
或者用because of sth...后面接名词短语.
但是because的因果关系太强烈。。建议作文中尽量少用。
for
for可以表示原因,可以接从句也可以接名词短语.
比because 好一点..文章中用得比较多/
as
也可以表示"因为",后面接从句，，但是比较口语化.
而且as的含义太多。难免不发生歧义.
since
这个比较常见一点..也是接从句。。
表示的因果关系比较弱一点。。

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比较：because, since, as和for
1） because语势最强，用来说明人所不知的原因，回答why提出的问题。当原因是显而易见的或已为人们所知，就用as或 since。
I didn't go, because I was afraid.
Since /As the weather is so bad, we have to delay our j...

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比较：because, since, as和for
1） because语势最强，用来说明人所不知的原因，回答why提出的问题。当原因是显而易见的或已为人们所知，就用as或 since。
I didn't go, because I was afraid.
Since /As the weather is so bad, we have to delay our journey.
2） 由because引导的从句如果放在句末，且前面有逗 号，则可以用for来代替。但如果不是说明直接原因，而是多种情况加以推断，就只能用for。
He is absent today, because / for he is ill.
He must be ill, for he is absent today.

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可以且用啊，比如, 可是，for,一般不能代替，我在英国学习至少口语应过问都这么说
i didnt go to the party because i was tired
I didnt go to the party since i was tired
I didnt go to the party as i was tired

since,表示明显的原因，可以解释为既然
You'd better go to see the doctor since you look pale.
because，是最general的
as 和since相似，作因为讲用的不多
for表示非直接的原因，推测得来的原因,不用在开头
The day broke, for the birds wer...

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since,表示明显的原因，可以解释为既然
You'd better go to see the doctor since you look pale.
because，是最general的
as 和since相似，作因为讲用的不多
for表示非直接的原因，推测得来的原因,不用在开头
The day broke, for the birds were singing.
当它们作为"因为"讲, because>since>as>for

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