I have finished my homework.When _____you_____it?怎么添?

问题描述:

I have finished my homework.When _____you_____it?怎么添?
答案是when did you finish it,可前面是完成时,回答怎么就成过去时了呢?

完成时是对现在带来的影响,毕竟这个动作完成了,而且还是在过去,当问具体的时间时,用一般过去时那是不是有when就不是现在完成时啊不是这样的,when i got there, the bus had already left.当我到的时候,车早就开走了。用了过去完成时