來源:中考網 作者:紫涵 2013-02-04 18:32:09
1)表示過去發生的動作對現在造成的影響或結果.常與already, just, ever, never, before等詞連用. 如:
She has never read this novel.
2)表示 "過去的動作"一直延續到現在并有可能繼續延續下去. 常與for (后跟段時間)或since (后跟點時間)等連用.如:
I have been a member of the Party for 10 years.
I have been a member of the Party since 10 years ago.
注:在有for 和since 引導時間狀語的句子中不能用短暫性動詞,應用與之相應的表示狀態的詞。如:
He has died for 3 years.(F)
He has been dead for 3 years.(T)
注:①現在完成時不能和表示明確的過去時間連用。如:in 1998, last morning等
②have/has been to 表示"去過"(去了又回來了)
have/has gone to 表示"去過"(去了沒回來了)
如:Where has she gone?(句中所指的人不在)
Where has she been?(句中作指的人在)
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