资源简介 (共27张PPT)Unit3 CelebrationsGrammar:Passive VoiceWhat do you remember about them TomLi YanXu Gang1. According to Tom, what preparation does his host do to the house 2. As for Xu Gang, what preparation does he make for the train ticket and flight Do you remember The house was cleaned from top to bottom.Train tickets or flights have to be booked as early as possible.Analyze these two sentences1.The house was cleaned from top to bottom.2.Train tickets or flights have to be booked as early as possible.Passive voice被动语态过去时被动语态was/were done情态动词被动语态/情态动词+be done动词语态的基本概念语态用来表明主语与谓语动词之间的关系。主动语态 表示主语是动作的执行者,被动语态 表示主语是动作的承受者。同一事件往往既可以用主动句又可以用被动句来表达,但侧重点有所不同。一般来说,主动语态侧重于动作的发出者,被动语态侧重于动作的承受者。They caught a snake.他们抓住了一条蛇A snake was caught by them.一条蛇已经被他们捉住了When do we use the Passive 1. 动作执行者不易指出或不需明说;2. 动作执行者不言自明;3. 强调动作承受者4. 在科技文章或报刊中,被动语态比主动更正式。My wallet was found.He was caught by the police.Look for sentences in passive voice.Spring festival is highly valued by every Chinese family.The house was cleaned from top to bottom.The Chinese character Fu was attached upside down to our front door.It is believed that when Fu is put upside down, happiness arrives.Fireworks were being let off across the city.Spring festival is highly valued by every Chinese family.The house was cleaned from top to bottom.The Chinese character Fu was attached upside down to our front door.It is believed that when Fu is put upside down, happiness arrives.Fireworks were being let off across the city.被动语态的基本结构:be + P.P.有各种时态的变化Spring festival is highly valued by every Chinese family.The house was cleaned from top to bottom.The Chinese character Fu was attached upside down to our front door.It is believed that when Fu is put upside down, happiness arrives.Fireworks were being let off across the city.一般现在时:am/is/are + done一般过去时:was/were + done一般过去时:was/were + done一般现在时:am/is/are + done过去进行时:was/were + being + doneLook for sentences in passive voice in “Xu Gang” and “Summary”Train tickets or flights have to be booked as early as possible.Great fun is also enjoyed in the kitchen as jiaozi are being made.Most of the important Spring Festival traditions are still being practiced by people across the country.Train tickets or flights have to be booked as early as possible.Great fun is also enjoyed in the kitchen as jiaozi are being made.Most of the important Spring Festival traditions are still being practiced by people across the country.情态动词后的被动语态:情态动词 + be + done一般现在时:am/is/are + done现在进行时:am/is/are + being + done现在进行时:am/is/are + being + doneThe forms of the Passive(被动)Tense FormPresent Simple一般现在时Past Simple一般过去时Present Continuous现在进行时Past Continuous过去进行时Present Perfect现在完成时Past Perfect过去完成时General future tense 一般将来时情态动词 (can/should/must/have to…)was / were doneam / is / are doneam / is / are being donewas / were being donehave / has been donehad been donewill be doneam / is / are going to be donecan be done[1]. Now English ____ by more and more people all over the word.A. speaksB. is spokenC. was spoken一般现在时的被动语态:am / is / are + PPtask(一)1.We like Miss Lin Very much.Miss Lin ____ _______ by us verymuch.2.Many young people love Jay Chou’ songs.Jay Chou’s songs ____ ______ bymany young people.islikedareloved时态:结构:am / is / are + done一般现在时把下列句子改为被动语态:[2]. The lost boy ____ at the street corner last night.A. was foundB. is foundC. was looked for一般过去时的被动语态:was / were + PPtask(二)1.The man repaired the car yesterday.The car ____ _________ by the man yesterday.2.Mr Song encouraged us to studyhard last week.We ____ ____________ to studyhard by Miss Peng last week.wasrepairedwereencouraged时态:结构:was/were + done一般过去时[3]. The rooms now.A. are being paintedB. are paintedC. painted现在进行时的被动语态:am / is/are being + PP[4]. The road yesterday.A. were being mendedB. was being mendedC. mended过去进行时的被动语态:was / were being + PP[5]. Many houses ____ in the future.A. will buildB. will be builtC. are built一般将来时的被动语态:will + be + PPam/is/are going to + be + PPtask1.The city will build the new airportnext year.The new airport _____ ____ _______next year.2.Huidong Middle School is going tosend two students to Hongkong tostudy.Two students____ ____ ____ ____ ____ to Hongkong to study.willbearebe时态:结构:will /be going to + be +done一般将来时builtgoingtosent过去将来时:[6]. The manager said the project would be completed by the end of the year.A. would be completedB. will be completedC. Is going to be compieted一般将来时的被动语态:would + be + PPwas/were going to + be + PP[7]. Three bridges ____ since last year.A. have builtB. were builtC. have been built现在完成时的被动语态:have / has + been + PPtask(四)1. Li Ming has already watered some flowers.Some flowers ____ ____ ________by Li Ming already.2.They have sold out those book.Those book ________ _________ ___________ out by them.havebeenhas时态:结构:Have/has + been +done现在完成时wateredbeensold过去完成时:When I got to the theatre, I found they had already sold out the tickets.When I got to the theatre, I found the tickets had already been sold out.过去完成时的被动语态:had + been + PP[8]. Flowers ____ every day.A. has been wateredB. should be wateredC. should water含有情态动词的被动语态:情态动词 + be + PP含有情态动词的被动语态:情态动词 + be + doneYou mustn’t clean the room today.The room______ __ ______ by you today.2.We should finish our homework on time.Our homework_____ ___ ______by us on time.(四)mustn’tshould结构:becleanedbefinished练习: 用be动词的正确形式填空.A knife _________ used to cut apples.2. The air _________ polluted already.3.The rooms ________cleaned tomorrow.4. The students _______ asked to have breakfast now.5.They_______ encouraged to study hard in the past.6.Not only he but also I _____ punished last night.ishas beenwill bearewerewas 展开更多...... 收起↑ 资源预览