看两个例子,帮我总结一下must be的用法!
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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?
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?
![看两个例子,帮我总结一下must be的用法!](/uploads/image/z/6957684-36-4.jpg?t=%E7%9C%8B%E4%B8%A4%E4%B8%AA%E4%BE%8B%E5%AD%90%2C%E5%B8%AE%E6%88%91%E6%80%BB%E7%BB%93%E4%B8%80%E4%B8%8Bmust+be%E7%9A%84%E7%94%A8%E6%B3%95%21)
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
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