[일상회화표현] must , (don't/doesn't)have/has to

must (의무) -해야한다 -> 약간 공식적인 장소 (추측)틀림없이-일 것이다 - You must check this form - You must fill with this form - You must not feed animals at this area - Do you pass the exam? Really?

You must be happy! - You haven't cleaned your room so far.

You must be lazy must have p.p (과거에) 틀림없이 - 였을 것이다 - He might have learned Italian. - She might have been love me. - She might not have known about this. - He might have stuied hard have to R -해야한다 - I have to go now - You have to leave him a message - You have to ...