问题描述:
过去完成时是had+pp 是不是有时候可以省略?
有一句书上的话The first truck deliveried four thousand Montgomery Wards.The second bought hour thousand Sears,Roebucks.这不都是过去完成时吗?怎么不加had?
有一句书上的话The first truck deliveried four thousand Montgomery Wards.The second bought hour thousand Sears,Roebucks.这不都是过去完成时吗?怎么不加had?
问题解答:
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