【正文】
allowed. If you’re ill and the doctor asks you to stay at home, what’ll you have to do? Do you have to go to school at weekends? No, we don’t have to. We use have to when the situation makes something necessary. We use do not have to to say that it’s not necessary to do something. Different forms: has to, had to, will have to and have/ has got to. What rules must we obey when we’re in the library? Discussion must must mustn’t mustn’t must have to don’t have to Work in groups Work out some class rules using must, must not, have to and do not have to. Homework: 1記憶詞匯、詞組和句型。 2復習本課所學語法。 3完成教師布置的相關練習。 4預習 Integrated skills。