how long since i bumped into you and your sister at McDonald
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how long since i bumped into you and your sister at McDonald?
选项:A is it B was it C had it been D has it been
it is +加一段时间 since 与 it has +加一段时间 since 不是意思一样吗?我很混,
请问此题该作何解?
选项:A is it B was it C had it been D has it been
it is +加一段时间 since 与 it has +加一段时间 since 不是意思一样吗?我很混,
请问此题该作何解?
It is +一段时间+since…的句型与It has been +一段时间+since…意思相同.
前者是规范说法,后者是口语说法.
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.
It is +一段时间+since…的句型与It has been +一段时间+since…意思相同.
前者是规范说法,后者是口语说法.
It’s a long time since he studied English
他好久没学英语了.
You haven’t come to see me for two months.
你有两个月没来看我了
其实就是完成时的另一型式
前者是规范说法,后者是口语说法.
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.
It is +一段时间+since…的句型与It has been +一段时间+since…意思相同.
前者是规范说法,后者是口语说法.
It’s a long time since he studied English
他好久没学英语了.
You haven’t come to see me for two months.
你有两个月没来看我了
其实就是完成时的另一型式
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