Lesson 8. He must be scared.
must [강한 추측]: 분명히 ~ 할 것이다
- Terry must listen to a lot of music.
His apartment is full of CDs.
- Your laptop still looks new.
You must not use it much.
O must 는 과거형이 없다.
O must have p.p : 분명히 ~했을 거야.
O must not have p.p : 분명히 ~하지 않았을 것이다.
- Mark is covered in mud! He must have slipped.
- This shirt is dirty. I must not have washed it.
O must vs might / could
-Steve must be very busy.
He has worked late a lot this week.
-Steve isn't answering his phone.
Well, he might be busy.
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