有些时间状语this morning, for a year等, 既可以用于一般过去时,又可用于现在完成时,但在意义上差别很大。如:
I ate two eggs this morning.(说话时是早晨以后)
I have eaten two eggs this morning.(说话时仍是早晨)
She learned English for 6 years.(动作已经过去)
She has learned English for 6 years.(动作刚结束或还在继续)
【中考英语知识点:中考英语动词不同时态辨析】相关文章:
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2016-02-29
2016-02-29
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2016-02-29