Составьте свой диалог,используя в нем слова must,have to,should. Используйте: What should I wear& Do you think I should ...? You shouldn*t be... It doesn*t matter, You should be on time.
-What do you think what should I put on tommorow?
-Well I think, you should wear blue dress ;)
-This?
-Yeah, It suits you =)
-Thanks!
-But you must put on something else, it will be too cool tommorow!
-Oh, I'll have to put on geans tommorow =(