when all the homework____you may go out to play为什么要用is finis

when all the homework____you may go out to play为什么要用is finis when your homework is finished,you may go out to play.为什么用 i 87.When your homework____you may go home.A.has done B.is don You can go out to play after the homework(is finished)为什么括号内 he will go out to play for a while when（完成） all his homework May I go out to play No you ______ May I go out to play now,mom?------- A Can I go to zoo?B.when your.homework was finished/is finis Can you go out to play football now?为什么这里用to play can I go to the zoo? When you homework____,you can 为什么要用 is i was about to go out when the phone rang.这了为什么不用went 用go?本人 When you go to England you may find the traffic there is dif