【英语】新目标九年级Unit3 Section A(1a-1c) 课件 ppt Period 1teenagers:eleven-year-olds:twelve-year-olds:thirteen-year-olds…nineteen-year-oldsI 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 sixteen-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.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 -edwatch---watched2) 以不发音 e 结尾的加 -dpractice---practiced3) 以辅音加 y 结尾的，去 y 变 i 加 -edstudy---studied4) 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 -edstop---stopped2. 不规则动词的过去分词：amisarebeenhavehashaddodonewritewrittengogone改被动语态1. They should allow us to have part-time jobs. 2.We should allow children to spend time with their friends. 3.The teacher should allow Anna to finish the picture. We should be allowed to have part-time jobs.Children should be allowed to spend time with their friends.Anna should be allowed to finish the picture.5. We can finish the work in a week.6. Students may take these books out of the library.7. They must return the tool( 工具） on time .The work can be finished in a week.These books may be taken out of the library.The tool must be returned on time. 4...
