May I leave now?

May I leave now? May I leave now?怎么否定回答, i must leave now 请高人翻译这两句英语 I may be that and you leave,now same I may be tha 1.May we leave the classroom now? I am gonna leave now 1.------"May I go now?" If may,I not want to leave I think think...U should leave now May we leave the classroom now?No,you___.You_____to leave un may l go home now?if your homework( ),you can leave now I have to leave now.I have got to leave now.区别