--where have you put the box.i can't find it.

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/19 23:27:01

--where have you put the box.i can't find it.
--i put it here.but now it's gone.
这里为什么一个用have put
一个用put

第一个是现在完成时 ,强调动作在过去发生但对现在造成影响,即我找不到.所以用 have + put .
关于现在完成时的知识,请参考：
http://baike.baidu.com/view/191047.htm
第二个是过去时,它只强调 put 这个动作,故用一般过去时put,表示当时我放在这儿.
关于一般过去时的知识,请参考：
http://baike.baidu.com/view/191061.htm

mum,i can't find my coat___.where did you put it? i can't find the stamp.i must have put it in ( ) where do you think i can put the box和where do you think can I can't find my book ,where __ i put it A.would B .should C I can't find my hat.I don' t know where I put it.（是属于什么从句?） I (put) it in the drawer yesterday but I can't find it now. You can't have everything;where would you put it的意思 You should have put the milk in the ice-box; I expect it has 试题：You should have put the milk in the ice-box; I expect it The box is --------.You can put your books in it if you can't find a room at the hotel,I can put you___ Mum,where is my bag?I can't find it.______?No,it's under the