have part-timejobs drive choose their own clothes work at night do homework with friends

　　Read after theteacher the phrases .

　　Then read together.

　　Ask the studentsread the cards one by one.

　　 (出示卡片，学习短语; 运用卡片检验学习效果。这些为任务型教学的实施作好了准备。)

　　Step 2 Presentation

　　Write this dialogue on the blackboard:

　　A: Teenagers should be allowed to ------.

　　B: I agree. They are too ------.

　　A: Do you think teenagers should be allowed to------?

　　B: ------.

　　Show the othercards:

　　too wild too young too silly not seriousenough not old enough not calm enough

　　Do the same as thebeginning phrases above.

　　Help the students tofinish the dialogue.

　　被动语态的构成： 主语 + be + 及物动词的过去分词

　　常见的几种时态的被动语态

　　一般现在时：主语 + be ( am / is / are ) + 及物动词的过去分词 + ------

　　一般过去时：主语 + was / were + 及物动词的过去分词 + ------

　　一般将来时：主语 + will / shall + be + 及物动词的过去分词 + ------

含情态动词时其构成：主语 +情态动词 + be +及物动词的过去分词