since 时间 ago
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since 时间 ago
1.since +时间 +ago
2.since 后可以跟个时间,或是直接接句子..那是用在什么时态里面.主句要是什么时态?
1.since +时间 +ago
2.since 后可以跟个时间,或是直接接句子..那是用在什么时态里面.主句要是什么时态?
since的四种用法
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.
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.
since 时间 ago
since 3 years ago是时间点还是时间段
since加ago还是表示点时间吗
since 3 years ago.是时间点还是时间段
怎么区分英语中的时间点和时间段?例:for 10 years ago ,since ten years ago哪个是时间
since long long ago
since能否与ago
现在完成时中,for加一段时间是不是等于since加时间点加ago?
i have learned Japanese since two years ago.的时间部分
since+时间段 since+时间点
since ten years since ten years ago区别
since+时间段+ago中since是什么词性?介词还是连词?