since的英语考点用法
1个回答

当介词:

since 表示明确的日期或时间,时态常用完成时:

He’s worked here since 1980. 自从1980年他就在此工作.

She’s been sitting in the waiting room since two-thirty. 自两点半她就坐在等候室了.

当连词

引导时间状语从句

Since she married me, we had been happy. 自从她嫁给我以来,我们一直很幸福.

since引导原因状语从句:

•Since you don’t want to go, we won’t force you to. 既然你不愿意去,我们也不勉强你.

Since you are leaving tomorrow, we can eat dinner together tonight.

既然你明天要走,我们今晚一起吃晚饭吧.