如何辨析because、as和since

时间：2021-01-13 08:54:13

（单词翻译:单击）

1 “Because” 比 “as1” 和 “since2” 更常见。我们用 “because” 来强调事情的原因。
 
I'm tired because I didn't sleep very well.
 
如果想要额外强调原因，可以将 “because" 引导的从句放在句首。
 
Because my bed is uncomfortable3, I'm getting a bad back.
 
2 “As” 和 “since” 比 “because” 更为正式。我们用 “as” 和 “since” 来强调事情的结果。
 
I hope4 Tom's brought5 that comic6 as I wanted to borrow7 it from him.
 
Noodles are popular8, since they're easy to cook.
 
“As” 和 “since” 引导的从句也常用于句首，注意不要忘记在从句后加逗号。
 
So, as our minute is up, I'll finish recording9 this video.

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1 as pNiyL     
conj.按照；如同
参考例句：
  • He got work in a hotel as a waiter.他在一家旅馆找到了当服务生的工作。
  • In the hotel,the old men were drinking away as usual.在旅馆里，这些老人和往常一样喝个不停。
2 since syswX     
adv.后来；conj.既然，因为，自从；prep.自从
参考例句：
  • He's been working in a bank since leaving school.自从毕业后，他就一直在一家银行工作。
  • I have known him ever since I was a child.我自孩提时代起就已经认识他了。
3 uncomfortable jfjzbe     
adj.不舒服的，不合意的，不安的
参考例句：
  • He looked shy and uncomfortable.他看起来羞怯又不自在。
  • It makes me feel uncomfortable.弄得我浑身不自在。
4 hope Kcwx9     
vt.希望，期望；vi.希望，期待；n.希望，期望
参考例句：
  • We hope you can come.我们希望你能来。
  • Hope you'll enjoy yourself there.愿您度过愉快的一天。
5 brought 2SMyf     
vbl.bring的过去式和过去分词
参考例句：
  • He brought a new book with him.他带来一本新书。
  • I brought you your shirt.我带来了你的衬衣。
6 comic EXWyz     
n.连环图画，杂耍滑稽演员；adj.滑稽的，有趣的，喜剧的
参考例句：
  • He is a popular tv comic.他是受欢迎的电视喜剧演员。
  • Everything have its comic side.凡事都有滑稽的一面。
7 borrow LRLyI     
vt.借，借入，借用；vi.借
参考例句：
  • Can I borrow two books at a time?我可以一次借两本书吗？
  • You can borrow this dictionary from the library.你可以从图书馆借到这本字典。
8 popular XOaxT     
adj.受欢迎的；流行的；通俗的
参考例句：
  • " Mary " is a very popular name for a girl.“ 玛丽 ”是个很常见的女孩名字。
  • He likes to play football and to sing popular songs.他喜欢踢足球和唱流行歌曲。
9 recording UktzJj     
n.录音，记录
参考例句：
  • How long will the recording of the song take?录下这首歌得花多少时间？
  • I want to play you a recording of the rehearsal.我想给你放一下彩排的录像。

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