看两个例子,帮我总结一下must be的用法!1.He must be home before six o'clock.He has to be home before six o'clock.2.He must be tired.I think he is probably tired.这是课后练习中的题目要求,要求模仿例句改写以下句子：H

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看两个例子,帮我总结一下must be的用法!
1.He must be home before six o'clock.
He has to be home before six o'clock.
2.He must be tired.
I think he is probably tired.
这是课后练习中的题目要求,要求模仿例句改写以下句子：
He must be here at six o'clock.
He has to be here at six o'clock.
He must be busy.
I think he is probably busy.
句中的must be应该是“一定”的意思吧,为什么有的改写成have to ,有的改写成probably?

must后面接实意动词表达非常肯定、或命令：He must do it.他必须（命令）肯定会（把握很大）做.
后面接表示状态的词(be happy/be 18/be at home)接进行时（must be doing)以及完成时（must have done)则表达说话人对这件事的推测.
have to 是被逼无奈.
翻译后比较：他六点前肯定在家、不得不在家

看两个例子,帮我总结一下must be的用法!1.He must be home before six o'clock.He has to be home before six o'clock.2.He must be tired.I think he is probably tired.这是课后练习中的题目要求,要求模仿例句改写以下句子：H 帮我详细总结一下be动词的用法帮我总结一下类似与be referred to as的英语固定搭配及用法请帮我看一下这两个词语的缩写 (语文)请帮我总结一下各种描写的作用做阅读时用的... 不需要例子...+50分.. 语文高手帮我总结归纳一下各种说明方法的用法,最好举个例子.全面一点, 请帮我看一下有错误的地方吗?maybe sometimes i feeling a little tired.but i must said to myself :“you must be strong right now.face to the anything.cause you are a man“ it must be terrible tobe grown up请帮我分析一下这句的语法结构帮我总结一下所有求直线斜率的公式, 帮我总结一下英语动词的分类英语谁帮我总结一下worth的用法帮我总结一下高中物理课本上的人物事例能帮我总结一下初二函数的知识点吗? 谁帮我总结一下初一上册英语的语法, 帮我总结一下高一历史的必修课程谁帮我总结一下有关圆的定理啊? 帮我总结一下粤教版初中政治（要分课的）帮我总结一下带in的短语