被动语态公开课.ppt

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1、（被动语态被动语态）Underline the sentences with the passive voice in Paragraph 2 on P45. Shadow puppets are made of hard leather. The leather is cut out in the shape of a person, an animal or an object. Each puppet is painted in bright colours and put on a stick.The Structure of The Passive Voice主语主语+ be + 过

2、去分词过去分词 + by+宾语宾语 is spoken byMany people speak English.Englishmany people.被动语态的时态由被动语态的时态由_决定决定1.一般现在时一般现在时:2.一般过去时一般过去时: 3.一般将来时一般将来时: am/is/are donewas/were donewill/be going to be done be动词动词We clean the classroom everyday.The classroom is cleaned every day.一般现在时的被动语态：一般现在时的被动语态：am/is/are + 一般过去

3、时的被动语态：一般过去时的被动语态：was/were + We cleaned the classroom yesterday.The classroom was cleaned yesterday.We will clean the classroom tomorrow.The classroom will be cleaned tomorrow.一般将来时的被动语态：一般将来时的被动语态：will / be going to + be + We are cleaning the classroom now.The classroom is being cleaned now.现在进行时的被

4、动语态：现在进行时的被动语态： am/is/are being + We have already cleaned the classroom .The classroom has already been cleaned.现在完成时的被动语态：现在完成时的被动语态：have/has been + 含情态动词的被动语态：含情态动词的被动语态：can/must/should+ be + We must clean the classroom now.The classroom must be cleaned now. 1.现在进行时现在进行时: 2.现在完成时现在完成时:3.含情态动词：含情态动

5、词： am/is/are being donehave/has been donecan/must/should be done Dont miss them!将下列句子变为被动语态，每空一词。将下列句子变为被动语态，每空一词。1. We can finish the work in two days. The work _ _ _ in two days.2. They are planting trees over there.Trees _ _ _ by them over there.3. Lucy is writing a letter now. A letter _ _ _ by

6、Lucy now. 4. You must lock the door when you leave.The door _ _ _ when you leave.5. He has broken the cup.The cup _ _ _ by him.6. I have given this book to the library.This book _ _ _ to the library. can be finished is being writtenmust be lockedhas been givenare being plantinghas been brokenspacesh

7、ip, send up, space, now A spaceship is being sent up into space now.they , must send to, hospital, right nowThey must be sent to the hospital right now.The hamburger has already been eaten up.hamburger, already, eat upWork in pairs, and make two sentences, one is in active voice, the other is in pas

8、sive voice. （两人一组造句，一句主动语态，另一句被动语态。）（两人一组造句，一句主动语态，另一句被动语态。） eg: S1: I am going to read the book tomorrow. (主动语态主动语态) S2: The book is going to be read by me tomorrow. (被动语态被动语态)1. He was told not to waste time on fishing of his mother.2. Machine tools is produced in this factory.3. It should done at

9、 once by them.4. He was made do the heavy work by the boss.5. The children are taken good care.byarebetoofCorrect the mistakes in the sentences.I saw him play basketball. He was seen to play basketball by me.这些动词真奇怪，主动句中这些动词真奇怪，主动句中to离开，被动句中离开，被动句中to回来。回来。（let have,make,see,feel, hear,watch,notice)W

10、e should listen to the teachers carefully.The teachers should be listened to carefully.注意：含动词词组的被动注意：含动词词组的被动语态，须将其看作一个整语态，须将其看作一个整体，不可把它们分隔开来。体，不可把它们分隔开来。Discussion Work in groups and sum up what things should be noticed when using the passive voice.Summary1. 找准找准谓语谓语和和宾语宾语；2. 记得加记得加be动词，注意动词，注意时态与

11、数时态与数的变化；的变化；3. by+代词时要用代词时要用宾格宾格；4. 正确使用正确使用过去分词过去分词；5. 主动省主动省to的不定式，被动语态要的不定式，被动语态要加加to;6. 动词词组变成被动语态，动词词组变成被动语态，介词或副词介词或副词不能省不能省略。略。Paper-cutting To make a paper flower, first get a square piece of paper ready. In the second stage, fold the corner to the opposite one. Third, fold the paper in hal

12、f from the left to the right. After that, unfold the paper. Next, fold the paper along the centre fold line, and make it into three equal parts. Fold the paper in half again. Then, draw your design on the paper. Finally,cut the paper out according to your design.Change the active voice into the pass

13、ive voice To make a paper flower, first a square piece of paper is got ready. In the second stage, the corner is folded to the opposite one. Third, the paper is folded in half from the left to the right. After that, the paper is unfolded. Next, the paper is folded along the centre fold line, and it

14、is made into three equal parts. The paper is folded in half again. Then, your design is drawn on the paper. Finally,the paper is cut out according to your design.Who is good at cutting paper? Work in groups and cut out paper in shapes of plants, animals, Chinese characters and so on. You should write down the steps while cutting. The passive voice is required to use in your writing. First In the second stage, After that, Next,Finally,