[初三英语]九年级英语课件.ppt

Unit 3 Teenagers should be allowed to choose their own clothes Section A 1a-2c Section A 3a -- Section B 2c Section B 3a-4 reading * * * * Go for it J9 I want to play with my friends. But my father doesn’t allow. I think teenagers should be allowed to go out to play with their friends. Parents should allow teenagers to go out with their friends. Parents should allow six-year-olds to drive. Parents should allow fifteen-year-olds to choose their own clothes. Teenagers should be allowed to go out with their friends. Sixteen-year-olds should be allowed to drive. Fifteen-year-olds should be allowed to choose their own clothes. 同义句转换 They should allow us to have part-time jobs. ____________________________. We should allow children to spend time with their friends. _____________________________________. The teacher should allow Anna to finish the picture. _____________________________________. Parents should allow children to choose their own friends. _____________________________________. grammar 定义:表示主语是动作的承受者. 构成:助动词be+及物动词的过去分词。助动词有人称、时态和数的变化。 含有情态动词的被动语态：情态动词＋be＋及物动词的过去分词。 用法：当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只强调动作的承受者时，要用被动语态。 1.规则动词的过去分词： 1)一般情况在动词原形后加-ed watch---watched 2)以不发音e结尾的加-d practice---practiced 3)以辅音加y结尾的，去y变i加-ed study---studied 4)以重读闭音节结尾，末尾只有一个辅音字母， 先双写该辅音字母，再加-ed stop---stopped 2.不规则动词的过去分词： am is are been have has had do done write written go gone The telephone ___________(invent) by Bell in 1876. The trees may ____________(plant) in spring. Teenagers should not ____________(allow) to drive. English ___________(speak) in Canada. Math must ___________ (study) well. We ________(need) to learn English. Finish the sentences Listen and check what Kathy thinks. Circle : Agree” “disagree” or “Doesn’t know” to show what Molly thinks. No, I don’t. Do you think sixteen-year-olds should be allowed to work at night? I agree. They aren’t serious enough at that age. Sixteen-year-olds should not be allowed to drive. I disagree. They talk instead of doi