must have been doing的意思

一定在做什么

相似詞語短語

have been───已經；一直；去過（現在完成時）

has been doing───到現在為止一直進行（現在完成進行時）

have been dead───已經死了

have been there───親眼看到；直接了解；全都知道；曾到過那里；全都知道，直接了解，親眼看到

l have been───我一直

have been to───v.曾經到過（去過）

have been in───呆在某個地方；去過某個地方

have you been───你有沒有

have been on───已經開始了

雙語使用場景

Someone, other than Lady Luck, must have been doing something right.───除了幸運女神外，一定有些人一直在做些正確的事。

John must have been playing football and Mary must have been doing her homework.───約翰肯定一直在踢足球，而瑪麗想必一直在做作業。

The car must have been doing at least 100 miles an hour.───這車速肯定每小時至少100英里。

Tom must have been playing basketball and Mary (must have been)doing her homework.───湯姆肯定一直在打籃球，瑪驪一直在寫作業

John must have been playing football and Mary (must have been) doing her homework.───約翰一定在踢球，而瑪麗一定在做作業。

He must have been doing experiments in the laboratory.───他一定是在實驗室里做實驗。

Corporate Japan must have been doing something right after all.───日本公司畢竟在此之后曾確有所為。

Hey, you must have been doing 125 to keep up with me, good job.───你肯定開到了每小時125英里才趕上我，干得不錯。

英語使用場景

The motorcyclist must have been doing a ton as he passed me.

He estimated that the car must have been doing at least 18 miles per hour on the curve where it overturned.

The car must have been doing at least 100 miles an hour.