He must leave early.的否定形式是什么?

Must he leave early?请问否定答法?No,he needn't leave early. He must leave early.的否定形式是什么? he must leave early变否定句怎么变? 英语翻译 Why must he leave early to breakfast 语法对么 he said he must leave early 的同义句he said he would have to leave early为何加WOULD He must leave early特殊疑问句：Why_______________一般疑问句怎么改? He must leave early否定句mustn't还是用needn't why does he must leave early? 是对的还是错的 . 为什么 为什么He said he must leave early等效转换是He said he would have to leave early?而不是He said he had to leave early为什么这里have to表示将来要用将来时啊,在We have to leave early tomorrow中have to同样是表示将来,却 he said he must leave early 此句的同义句可为He said he had got to leave early吗?为什么?有些朋友可能没明白我的意思，我看新概念二册上说，have got to是可以代替must 如：We must leave early tomorrow可变为We ha 有没有情态动词的特殊疑问句?如果有的话,帮忙改写:He must leave early改成Why_________________________ He had to leave early yesterday. you must ask for__if you want to leave early You must ask permieeion if you want to leave early 两道新概念英语一级题1.He must leave early.改为否定句：改为一般疑问句：2.You saw that film.用when提问： 情态动词must请判断,并说明理由：Must she leave early?这句话可以这样问没错,但是我可以说成 “Does she must leave early?” 为什么? why he must leave now还是why must he leave now都行吧 i must leave for home.为什么不用leave?my mother leaves home early.为什么不用leave toleave ;leave to;leave for的区别及用法