When is和When does分别在什么情况下使用?什么时候用is什么时候用does

When is和When does分别在什么情况下使用?什么时候用is什么时候用does 什么时候用when does when is /are when is与when does有什么区别它们分别怎么用? when is he shaving today when does he shave today以上两句的中文解释有什么区别和就是这样两句,中文分别是什么意思. when is he……和when does he……怎么区别用is还是does? when does an object expand?.when it is cold B.when it is hot C.when it is broken 请教when is he shaving today?请问这句和when does he shave today?是不是一样的? when does和when when does the store close?when is the store closing?这两个意思是一样的吗?为什么一个是原型,一个要加ing呢? when it is raining 和 when it rains, 好象都能用,但是分别用在哪种从句里,好象有分...请告诉我... when does she ofen does when does the chass what time does he get up?when does he get up?what time 和 when Does he know _______?A.when open the library is B.when the library is open what does he like d____ when he is free? 为什么不用does?when __the Quiz show on?要用is 为什么when does it start是对的when is it start 是错的. what does when tobe when he is a kid?怎么回答 is和does的区别是什么?如：when does your brother do his homework?可不可以说成 when is your brother如：when does your brother do his homework?可不可以说成 when is your brother do his homework?如果可以,为什么?什么情况