must表推測的用法

must 表示很有把握的推測，其意為“一定會(huì)”“肯定會(huì)”，只用于肯定句，一般不用于否定句或疑問句。表示對現(xiàn)在或未來的情況作推測，后接動(dòng)詞原形；表示對過去情況的推測，接動(dòng)詞完成式。如：

That hat must be Tom’s. 那帽子一定是湯姆的。

He must be the best violinist alive. 他一定是當(dāng)代最好的小提琴手了。

There must be something wrong. 一定有什么毛病了。

The man must have a lot of money. 這個(gè)人一定有不少錢。

It must be your mother who you are thinking of. 你在想的一定是你的母親。

Judging by the smell, the food must be good. 從香味上看，這菜一定很好吃。

I must be the happiest woman on earth! 我一定是世界上最幸福的女人了。

No, he must be lying. 不，他一定在撒謊。

He must have mistaken my meaning. 他一定誤會(huì)了我的意思。

I must have slept through the alarm. 我一定是睡過鬧鐘定的時(shí)間了。

There must have been something blocking the pipe 管子肯定曾被什么東西堵住了。

She must have been very young when she got married. 她結(jié)婚時(shí)一定很年輕。

She said she must have slept through the alarm. 她說她一定是睡過鬧鐘定的時(shí)間了。

There must have been something blocking the pipe. 管子肯定曾被什么東西堵住了。

I didn't hear the phone. I must have been asleep. 我沒有聽到電話鈴，我一定是睡著了。