人教版九年级Unit 7 知识点课件整理(共15张PPT)

1. I don`t think sixteen-year-olds should be allowed to drive. should be allowed “应该被允许” should + be + V过去分词 练习：我们应该被允许选择我们自己的衣服。 We _______ _______ ________ to choose our own clothes. ----Tom is always careless with his schoolwork. Could you help him? ----No problem! I think he _______________ (tell) to think twice before starting. should be allowed should be told 含有情态动词的被动语态 情态动词： can, could, should, must, may… 被动语态 be + 及物动词的V过去分词 练习：Teenagers should not be allowed to have part-time jobs. …情态动词 + not… Should I be allowed to make my own decision? 情态动词 提前 Where can the book be found? 特疑词+ 一般疑问句 2. I`m worried about your safety. safety. n. “安全，安全性” 练习：司机一定要考虑到安全。 A driver must think of ________. School bus _________ (safe) is a big problem in China. safety safety 3. Teenagers should not be allowed to smoke. smoke, v. “吸烟，冒烟” She cannot stand the sme