九年级英语被动语态PPT.pptVIP

1.I washed my clothes once a day. We called him “glasses”. 表示被动语态的短语和句型： * * * * Passive Voice 一. 何时使用被动语态 1. 不知道谁是动作的执行者或没有必要 Paper is made from wood. He was wounded in the fight. 2. 需要强调动作的承受者时 Books and newspapers in the reading room mustnt be taken away. He was awarded first prize in that contest. 3为了使语气婉转，避免提及自己或对方而使 用被动语 态，或由于修饰的需要，使用被动 语态，使句子得以更好的安排。 The construction of the new lab must be completed by the end of next month. Electricity is used to run machines. 什么时候用主动语态或被动语态？ 主语是动作的执行者就用主动语态 主语是动作的承受者就用被动语态 We study English at school. English is studied by us at school. 我们用木头做家具。 那只老鼠被猫抓住了 相机是用来照相的。 Discusion 1: the active voice 主动语态 the passive voice被动语态 主动语态 被动语态 被动语态 一般过去时 一般现在时 the passive voice the active voice 语态动词 时态 结构 am is + p.p. are was + p.p. were v v+ s es p.t. Discusion 2: the active voice 主动语态 the passive voice被动语态 We call the doctor. People don’t play football here. The truck was cleaned yesterday. Decide if these sentences are active or passive. Mr Chen teaches us English. The classroom was cleaned. active active passive active passive Exercise ： 1.The key ______for locking the classroom door. A.uses B. is used C.is using D.use 2.A new school _______over there two years ago. A. built B. was built C. build D. builds 3.The lost child ______ on October 7,1998. A.was found B. is found C. found D. find 4.A talk on Chinese history________in the school hall yesterday. A.is given B.give C.was given D. gave B B A C Disscusion 3: the active voice 主动语态 the passive voice被动语态 主动语态句子变成被动语态句子哪三个部分 要变？怎么变？ 1. 把原句的宾语改为主语。 2. 把原句的谓语动词改为被动语态结构( be + p.p.)。 3. 把原句的主语改为by的宾语（用宾格）,可省略。 e.g. She cleaned the room. The room was cle