조동사 must 조동사 must 강한 추측 의무Must분명히 ~할 것이다 ~해야 한다Must not 분명히 ~가 아닐것이다~해서는 안된다과거형은?Must have pp X 예문: Terry must listen to a lot of music. His apartment is full of CDs. 추측Your laptop still looks new. You must not use it much. 추측The children must be excited about their trip.They have been talking about it all morning. 조동사 Must have ppMust have pp : (과거) 분명히 ~했을 것이다.Mark is covered in mud! He mus..