编辑:sx_yangk
2013-10-02
精品学习网为您整理了关于since的四种用法的小学典型语法集锦,希望和您一起探讨和学习英语!
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.
由精品学习网为您提供的关于since的四种用法的小学典型语法集锦,感谢您阅读!
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