must否定形式是mustn't?

must否定形式是mustn't? must的否定回答可以是mustn't吗 --Must I clean my room today?--No,you___ A mustn't B needn't我想Must的否定形式应该是mustn't 但答案为甚给的是needn't呢? “must”的反义是不是“mustn't”?为什么“must”开头的句子否定回答是“needn't”? may的否定形式是什么?mustn't? must 提问 ,否定回答 是用 mustn't 还是 needn't? 用must,need以及needn't和mustn't开头的疑问句回答的肯定和否定回答形式是什么? must作为猜测 mustn't还能作为其否定形式,只能用can't be表示不可能了吗 请问must的否定形式是不是不能表推测?有木有mustn't have done 滴形式?推测和虚拟是推测和虚拟到底是什神马?must have done 可以表推测,能表虚拟吗?偶乱了. 那个~老师~must否定可以用mustn't吗? must在什么时候可以用否定的,即mustn't? 有关must否定你不能吃油腻的食物：You mustn't eat rich food.我记得must还有一种否定是can't.请问各位must否定形式在何种情况下用can't在何种情况下在后面加not呢? must的否定句?A large hole must be dug.(否定句)A large hole ______be dug.是mustn't还是needn't to? It must be yours.改为否定句怎么改啊?是用mustn't be还是用can't Must I do my homework?的否定回答是用“No,you needn't.”还是“No,you mustn't.” 为什么must的否定既有mustn't又有needn't?那need的否定是什么? must的否定形式和need的否定形式用法must的否定形式,什么时候用mustn't,什么情况用don't have to ,什么情况用needn't?need的否定形式,什么时候用needn't,什么情况用 don't need 九上英语 must的用法、 当用must提问时 否定回答是 it mustn't 这个不对吧 正确的是can't