must not be 和 should not be 的区别如题

must not be 和 should not be 的区别如题 should not与must not should not be 和shall not be 有什么区别? 英语：what 's should be?what's must be?should be 和must be有什么不同 must not 与 should not的差别 You should not be so________on your parents.Instead,you must learn to be________.(depend) Mary was not in her bedroom yesterday afternoon.She___in her classroom.A.should have been B.must have been C.must be D.should be I did not hear the phone,I___asleep.A.must be B.must have been C.should be D.should have been can be和must be should be的区别详解例题 Finally,teenagers must not be selfish.We should be kind to others_______.空里填什么吗?Finally,teenagers must not be selfish.We should be kind to others_______.空里填什么（it hard instead especial be） 可以变型 can not must not should not ...虚拟语气+not There ___problem with traffic at that time of the eveing.A.need not be B.should not beC.has not to be D.must not 是must not be 还是must be not decide must not be softhearted Name must not be null you must be not true. Xiao Wang looks pale.she ____illcan be must be should be has to be我觉得can be和should be都可以用啊 为什么呢 could be /must be/ should be/would be的区别