1、本单元语法精析——情态动词表推测的用法
常见表猜测的情态动词的程度:must(一定、肯定 100%的可能性) may/might/could (有可能、也许 20%---80%的可能性) can’t (不可能,不会 可能性几乎为0)
A)must用于肯定句中,表示很有把握的肯定推测。
⑴It’s already 12:30 now. You _______ ________ hungry. 现在十二点半了,你一定饿了。
⑵Look! The light is still on. He _______ _____ working in his office now.瞧!灯还亮着,他一定还在办公室工作。
⑶--Susan has bought a large house with a swimming pool .
---It _____ be very expensive. I never even dream about it.
A.must B. might C. can’t D. shouldn’t