Mary has lost her pen.have you seen it here and there?请问:为什么是用‘’have you seen‘’ 而不是‘’do you see‘’提问呢?
问题描述:
Mary has lost her pen.have you seen it here and there?
请问:为什么是用‘’have you seen‘’ 而不是‘’do you see‘’提问呢?
答
你如果是看见的话,说明你看到这个动作已经完成了,人家这样提问时希望你做出肯定得回答。所以用完成时
答
因为问的是在这之前是否"已经"见到了, 所以用完成时.