... Unit 1 3: Activities. Lesson 4. B 2. I.Objectives. -After the lesson Ss will be able to know more about the modal verbs: must, have to , ought to, -To drill ... 1. Organization: 2. Oral test: Ask ss to do the exercise 4 in the work book( p: 83 )? 3.Presentation: A.Warm up: - Ask Ss to give the way to call these persons who play : soccer. Tennis ... dialogues aloud. a) Ba: Coma and play basketball, Nam. Nam: I’ m sorry. I don’t think I can. Ba: That is too bad. Why not? Nam: Well, I Should visit my grandmother. Ba: Can you play on the...