Mother, where__ you put my cell-phone after you used it?选什么,
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Mother, where__ you put my cell-phone after you used it?选什么,为什么呢?
Mother,where __ you put my cell-phone after you used it? I ___ it anywhere.
A, have; haven't found B. had; didn't find
C. did; haven't found D. have; didn't find
这是一道时态题,不知道该选什么,怎么理解呢
放和找不到,都是发生在过去,哪个该表示有影响,哪个该表示没影响,怎么判断呢
Mother,where __ you put my cell-phone after you used it? I ___ it anywhere.
A, have; haven't found B. had; didn't find
C. did; haven't found D. have; didn't find
这是一道时态题,不知道该选什么,怎么理解呢
放和找不到,都是发生在过去,哪个该表示有影响,哪个该表示没影响,怎么判断呢
选C.
原因:从used(使用过)可以知道要用过去时态,本句话有实意动词put,所以第一空填did;回答说的意思是:我找了好多地方都没有发现,所以后面用一般现在完成时.故选:C.
再问: 选C正确,可是就是不太明白,为什么put不用现在完成时呢?
再答: put的过去式和完成时书写都是put. put(原形)--put(过去式)--put(完成时).
再问: 虽然put过去时过去分词都是put,但是明显前面没有have,所以时态肯定过去式的。不过还是很感谢你的耐心回答,采纳晚了,望见谅
原因:从used(使用过)可以知道要用过去时态,本句话有实意动词put,所以第一空填did;回答说的意思是:我找了好多地方都没有发现,所以后面用一般现在完成时.故选:C.
再问: 选C正确,可是就是不太明白,为什么put不用现在完成时呢?
再答: put的过去式和完成时书写都是put. put(原形)--put(过去式)--put(完成时).
再问: 虽然put过去时过去分词都是put,但是明显前面没有have,所以时态肯定过去式的。不过还是很感谢你的耐心回答,采纳晚了,望见谅
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