上古卷轴5ssedit怎么用:在英语中的一些不懂的问题...

来源:百度文库 编辑:高校问答 时间:2024/04/25 07:15:45
since,for,as,because都有因为的意思,它们之间有什么异同呢?

because, as, for, since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)Because Lingling was ill, she didn't come to school. 玲玲因病,没有上学。

(3)—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:

(4)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)Since I understood very little Japanese, I couldn't follow the conversation. 我日语懂得不多,因而听不懂对话。

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。

(3)As Xiaowang was not ready, we went without him. 由于小王没有准备好,我们只好不带他去了。

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。

because语气强,表示客观必然原因:
He is absent, because he is ill. 因为生病,所以他没来。
比较:He is absent, for he is busy. (“生病”是“缺席”的必然原因,“忙”不是必然原因。)

for 语气轻,表示非客观必然的原因,是主观可改变结果的原因,甚至是猜测可能的原因:
He must be ill, for he is absent. “缺席”不一定是“生病”,只是交流猜测。
for 不能放句首,它是并列连词.

since,as 都是不讲自明的原因,是已知的原因.
Since I am a boy, let me carry the case.
As you don't feel well,you had better stay at home.

1.我不进去了,因为我爸爸在里面. I won't go in .for my father is there.
2.昨晚一定是下雨了,因为地很湿. It must have rained last night,for the ground is web.
3.地是湿的,因为昨晚下雨了. The ground is wet, because it rained last night.
4.因为不高兴,他不想出去了. He diden't wanted to go out,for he was unhappy.
5.既然你工作忙,你就不必跟我们一道去了。 Since/As you are busy, you had better not go with us.
6.他付给我比别人少的钱,因为我是个女的. He paid me less than the others, for I'm female.
7.他付给我比别人少的钱,仅仅因为我是个女的. He paid me less than the others, only because I'm female.
8.既然大家都在这,我们开始开会吧. Since everybody is here,let's begin our meeting.