外研版九年级上册英语M8Unit-3教学PPT课件.ppt

* 动 词 过去分词 have give sell write go get come had given sold written gone got come Revision 写出下列动词的过去分词。 动词 过去分词 fly see do take send eat find be break flown seen done taken sent eaten found been broken Read the sentences with the passive voice. Daming wasn’t chosen for the team last time. He was invited to competitions around the world. Liu was encouraged to train for the high jump. Liu Xiang’s ability in hurdling was noticed by Sun Haiping. In 2001, a special programme was set up to help … His races were recorded, and he was compared with the world’s best sports stars. 我们学习了一般现在时的被动语态，但是如果要表达发生在过去的事情或行为，被动语态又该如何使用呢？ 被动语态的谓语部分为“be+动词的过去分词”，其中be 为助动词，有形式的变化。以动词do 为例，根据时态变化规则，一般过去时的被动语态形式如下： 时态 主动语态 被动语态 一般 现在时 一般 过去时 do / does is / am / are + done did was / were + done 下面让我们来看一下被动语态的疑问和否定形式该如何表达。 时态 肯定形式 否定形式 疑问形式 一般 现在时 S +am / is / are + done S + am / is / are + not + done Am / Is / Are + S + done? 时态 肯定形式 否定形式 疑问形式 一般 过去 时 S + was / were + done S + was / were + not + done Was / Were + S + done? Practice I. 用括号内所给单词的适当形式填空。 My computer ____________ (repair) by my cousin yesterday. 2. My father _________ (tell) to take the medicine three times a day. 3. We _____________ (not allow) to read in bed, because it is bad for our eyes. 4. A new library ____________ (build) in our school last year. was repaired was told are not allowed was built II. 将下列句子转换成被动语态。 1. The girls often sing English songs.  ____________________________________ 2. He didn’t show his photos to me. ____________________________________ 3. He asked me to help him with his maths. ____________________________________ English songs are often sung by the girls. His photos were not shown to me. I was asked to help him with his maths. 4. My cousin bought a color TV set. ______________________________________ ______________________________________ 5. Mother made a big cake for us yesterday. ______________________________________ __________________