you tell me whether he _it over before he cut down the trees1）---Could you tell me whether he _it over before he cut down the trees --- I am not sure .A.will think B.would think C.had thought D.thought 这题答案是选C,想问

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you tell me whether he ___________it over before he cut down the trees1）---Could you tell me whether he ___________it over before he cut down the trees --- I am not sure .A.will think B.would think C.had thought D.thought 这题答案是选C,想问
you tell me whether he ___________it over before he cut down the trees
1）---Could you tell me whether he ___________it over before he cut down the trees
--- I am not sure .
A.will think B.would think C.had thought D.thought
这题答案是选C,想问一下英语语法高手：为什么选C,哪里体现了是过去完成时?

you tell me whether he ___________it over before he cut down the trees1）---Could you tell me whether he ___________it over before he cut down the trees --- I am not sure .A.will think B.would think C.had thought D.thought 这题答案是选C,想问
过去完成时态表示过去的过去, 两个动作进行对比
这里 cut 是过去时, 因为要是现在时的话就是cuts
在砍之前考虑, 砍 cut都是过去时 , 想在砍之前, 所以用过去完成时态
是不是有点罗嗦?呵呵

before 啊在过去的过去

before he cut down the trees
cut 过去时
若是一般现在就是cuts了

before he cut down the trees
before！！太明显的标志了再说你看从句的动词 CUT 不是CUTS
CUT的过去式也是CUT
过去的过去的不就是过去完成时吗

C
你能告诉我在他砍倒树之前是否有考虑好？

这个cut是过去时，有before，就是在过去的之前，就是过去完成时吧……差不多这样吧，

从重句he cut down the trees 可以看出是过去时态cut是过去式，这句的意思是：你能告诉我在他砍倒树之前是否仔细想过吗？在砍到树之前发生的动作肯定是完成时，发生在过去的，所以是过去完成时

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