怎么知道句子是past simple还是past continuous
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怎么知道句子是past simple还是past continuous
我想知道怎么样知道一个句子是用Past simple还是past continuos.比如:
We finally ___ (finish) packing our suitcases for the trip.
我想知道怎么样知道一个句子是用Past simple还是past continuos.比如:
We finally ___ (finish) packing our suitcases for the trip.
We finally finished packing our suitcases for the trip.
一般过去时和过去进行时的差别在于前者是过去做的动作,而且已经结束;后者则是过去某个具体时间正在做的事,一般需要有表示过去具体时间的时间状语,比如:seven o'clock yesterday morning,this time last week.另外一个差别在于,瞬间动词不能用于进行时,就像你这句句子,finish是瞬间动词,不能用进行时.
一般过去时和过去进行时的差别在于前者是过去做的动作,而且已经结束;后者则是过去某个具体时间正在做的事,一般需要有表示过去具体时间的时间状语,比如:seven o'clock yesterday morning,this time last week.另外一个差别在于,瞬间动词不能用于进行时,就像你这句句子,finish是瞬间动词,不能用进行时.
怎么知道句子是past simple还是past continuous
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