2、point:1.differentformsofPassiveVoicewithmodalwords肯定：情态动词+be+动词的过去分词否定：情态动词+not+be+动词的过去分词一般疑问句：情态动词+主语+be+动词的过去分词?特殊疑问句：疑问词+情态动词+主语+be+动词的过去分词？Teaching steps: Step1 Warming-up Revision: review the Passive Voice that we have learned about and lead in. Step2 Presentation 1
3、.Learn about the structure of Passive Voice with modal words. 主+must/can/may/might/should+be动词的过去分 2.Learn to change the active voice into passive voice Active voice:Parents should allow teenagers to make their own decisions →Passive Voice:Teenagers should be allowed to
4、 make their own decisions. 3.Learn about different forms of Passive Voice with modal words 肯定：情态动词+ be +动词的过去分词 否定：情态动词+not+ be +动词的过去分词 一般疑问句：情态动词+主语+be+动词的过去分词？ 特殊疑问句：疑问词+情态动词+主语+be+动词的过去分词？ 4.Do some exercisesstep4 Summary Step5 HomeworkFinishtheexerci
