请问since的用法

Question

请问since的用法，最好举些例子

Answer 1

ad. 后来
conj. 既然,因为
prep. 自从

例句与用法:
1. Since you can't answer the question, perhaps we'd better ask someone else.
既然你无法回答这个问题，我们最好再问问别人。

2. We've been friends ever since we met at school.
自从我们在学校认识之后，我们就一直是好朋友。

3. How long is it since we visited your mother?
自从我们看望你母亲以来到现在有多长时间了？

4. It was the first time I'd won since I'd learnt to play chess.
自从我学会下国际象棋以来，这是我第一次赢。

5. She moved to London last May and has since got a job on a newspaper.
她去年五月到伦敦，此后一直在报社工作。

6. He had spoken to her only once since the party.
自从那次聚会以来, 他只跟她说过一次话.

7. Where have you been since I last saw you?
自从我上次见到你以后, 你到哪儿去了?

8. I haven't eaten since breakfast.
我吃了早饭后到现在还什麽都没吃呢.

Answer 2

since是什么意思？用法是什么？

Answer 3

since的用法有哪些