Moule4语法 情态动词及现在完成时态的被动语态.ppt

.1 一般现在时的被动语态： S(主语）+am/is /are + done (过去分词) The sports meeting in our city last year. 2一般过去时 的被动语态： S + was/were + done (过去分词) was held 复习各时态（tense)的被动语态(passive voice)： 4一般将来时的被动语态： Many buildings in my hometown. Many buildings in my hometown. will be built S + will be + done are going to be built Ⅰ语态的种类： 和 。 Ⅱ主动语态：表示主语是 。 被动语态：表示主语是 。 Ⅲ被动语态结构：be+p.p.(动词的过去分词) Ⅳ情态动词的被动语态：情态动词+ be+p.p 问题：情态动词+ be+p.p. 这一结构怎么进行句型转换？ 主动语态 被动语态 情态动词被动语态 动作的执行者 动作的承受者 含有情态动词的句子进行句型转换时只针对 ，要么在后 , 把 提前。 例子:1We should allow teenagers to watch 主语 谓语动词 宾语 Tv on the weekend . → 情态动词 Teenagers should be allowed to watch Tv on Sunday( by us) . 加not 情态动词 Many trees on the mountains. 1.应该允许青少年和朋友们一起出去。 Teenagers to go out with their friends. 2.孩子们应当被允许星期五晚上看电影。 The children to go to the movies on Friday nights. should be planted should be allowed should be allowed 11My parents should allow me to choose my own clothes. → I to choose my own clothes （by parents）. should be allowed 14.Students may use the computers here. → The computers by students. may be used May be p.p Must be P.P 2教室必须天天打扫 Classroom every day . These magazines out of the reading-room. must be cleaned must not be taken Can be p.p We?can?repair?this?watch?tomorrow. This watch can be repaired tomorrow. 13.He can fix the computer. →The computer by him. can be fixed 8.木头能做桌子吗？是的，能。 tables of wood ? Yes , they of wood. 9.废纸不应该扔在这里。 Waste paper