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英语现在完成时练习1.we_____jim since she was a little girl.A.know B.h

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英语现在完成时练习
1.we_____jim since she was a little girl.
A.know B.had known c .have known D.knew
有was为什么不是B.
2.His father_____the party since 1978
A.joind B.has joined C.was in D.has been in
B为什么不可以?
3.his uncle_____for more than 9 years
A.has come here B.has started to work C.has lived there D.has left the university
一定么?
ps;每题后面有我提的问题,
英语现在完成时练习1.we_____jim since she was a little girl.A.know B.h
现在完成时是动作发生在过去,状态持续到现在或对现在的影响.since表示自从……(后面常接一个一般过去时).切记现在完成时不能与瞬间动词连用,如可以说You have been in the army since last year.但不能说You have joined the army since last year.
过去完成时即过去的过去,强调对过去的影响.
1.we_____jim since she was a little girl.A.know B.had known c .have known D.knew
强调自从她是小女孩以来(表过去时间),我们就认识Jim(强调对现在的影响,即现在还认识)
2.理由见上.
3.ABD均为瞬间动词,不能与时间段连用,C正确.