... Unit < /b> 1 3: < /b> Activities.< /b> Lesson < /b> 4. B 2. I.Objectives. -After the lesson < /b> Ss will be able to know more about the modal verbs: must, have to , ought to, -To drill ... + casstte +Text book, work book, III. Teaching procedure 1. Organization: 2. Oral test: Ask ss to do the exercise 4 in the work book( p: 83 < /b> )? 3.< /b> Presentation: A.Warm up: - Ask Ss to give ... think I can. Ba: That is too bad. Why not? Nam: Well, I Should visit my grandmother. Ba: Can you play on the weekends.? *Presentation: - Aks Ss to look at the picture in the text book and answer...