摘要： 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 Gre
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重点中学考什么我们就教什么。乐加乐连续五年蝉联北京小升初英语第一 2010年800多学……[详细]
一套教材应对四种考试轻松赢战小升初
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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《小升初必备语法 since的四种用法》由留学liuxuequn.com编辑整理