2013年最新六级英语语法:since的用法

2013-06-12 22:12:23 字体放大:  

【摘要】:2013六级考试进入了最后的冲刺阶段,以下是精品学习网特为考生们整理了2013英语六级语法since的用法总结。预祝考生们通过考试!

1) since +过去一个时间点 (如具体的年、月、日期、钟点、1980, last month, half past six)。

I have been here since 1989.

2) since +一段时间+ ago

I have been here since five months ago.

3) since +从句

Great changes have taken place since you left.

Considerable time has elapsed since we have been here.

4) It is +一段时间+ since从句

It is two years since I became a postgraduate student.

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