人教版九年级Unit 7 Teenagers should be allowed to choose their own clothes.-Section B 3a—3b Self check-ppt课件-(含教案)-市级公开课-(编号：f31b9).zip

被动语态（Passive Voice） Teaching Goal 1.了解被动语态与主动语态的定义 2.介绍被动语态的结构以及变化方法 Teaching importance and difficulty 被动语态的结构、主动变被动的变化规则 Teaching procedure Step 1 Review the past tense and past principle of the words Step 2 Introduce the way of voice and explain the two types. Step 3 Introduce the way of changing the active voice into passive voice.Ask students to come front and write the mind - mapping on the blackboard . Give students an example to explain each part. Step 4 Review the rules of changing “do” into “done” Step 5 Ask students to think of the tenses they have learned (板书) and talk about the structures . 一般现在时 一般过去时 现在进行时 含情态动词 Step 6 讲解 4 个时态变被动的结构并配有相应的练习 Step 7 总结所学时态的结构并让学生推导其他剩余时态的结构 Step 8 Do exercises (make ,see,hear,watch) Step 9 Homework 熟记六大时态的主动和被动结构转换结构 请说出下列动词的过去式和过去分词 1.send 2.use 3.make 4.plan 5.hear 6.plant 7.speak 8.cut 9.build 10.keep sent sent used used made made planned planned heard heard planted planted spoke spoken cut cut built built kept kept 语态：表示语态：表示主语主语和和谓语动词谓语动词之间的关系。之间的关系。 英语有两种语态，即英语有两种语态，即主动语态主动语态(Active (Active voice)voice)和和被动语态被动语态(Passive voice)(Passive voice)。 主动语态：表示主语是动作的_ 。 被动语态：表示主语是动作的 _。 语态语态( Voice ) ( Voice ) 执行者 承受者 如： Many students study English.(主动语态) English is studied by many students. (被动语态) 1.1.把主动语态的把主动语态的宾语宾语变为被动语态的变为被动语态的主语主语。 2.2.把主动语态的把主动语态的谓语谓语变为被动语态的变为被动语态的谓语谓语。 3.3.把主动语态的把主动语态的主语主语变为被动语态的变为被动语态的宾语宾语， 由由byby引出，后接代词宾格形式，可省略。引出，后接代词宾格形式，可省略。 The teacherThe teacher often often asksasks himhim questions. questions. Heis asked questions by the teacher. 主宾谓 各种时态的主动语态结构 一般现在时 一般过去时 一般将来时 现在进行时 过去进行时 现在完成时 含情态动词 do/does did will do am/is/are doing was/were doing have/has done 情态动词(can , must, should )+do 被动语态的结构 1.一般现在时的被动语态结构： do/does be done (am/is/are) 注：助动词be有人称和数的变化 e.g. We clean the classroom every day . 主谓宾 The classroom is cleaned by us every day . （simple present tense） They play football on Sunday. They often use computers in class. We make these machines in Beijing. Football is played by them on Sunday. Computers are often used by them in class. These machines are made in Beijing. 2.一般过去时的被动语态结构： did be done(was/were) e.g. They bought ten computers last term Ten computers were bought by them last term. 主谓 宾 (Past indefinite tense) 1.They built the tall building last year. 2.He took good care of his little brother yesterday. 3.They used this room for resting. The tall building was built by them last year. His little brother was taken good care of by him yesterday. This room was used for resting by them. 3.含有情态动词的被动语态结构： can/should/must/may do 1.Amy can take good care of Gina Gina can be taken good care of by Amy. 2.You must turn off the lights. 3.They should learn English well. The lights must be turned off by you. English should be learned well by them. can/should/must/may be done 4.4.现在进行时的被动语态的结构现在进行时的被动语态的结构 am/is/are am/is/are doingdoing e.g. He is watching TV.e.g. He is watching TV. TVTVis being watchedis being watched by him.by him. am/is/ are + am/is/ are + being donebeing done (Present progressive) 1.Some workers are painting the rooms now The rooms are being painted by some workers now. 2.Tom is watering the flowers now . The flowers are being watered by Tom now . 时态 被动语态结构 一般现在时 一般过去时 现在进行时 过去进行时 一般将来时 现在完成时 含情态动词 am/is/are done was/were done am/is/are being done 情态动词 be done was/were being done will be done have/has been done 选择题 ( )1._ a new library _ in our school last year? A.Is; built B. Was; built C. Does; build D. Did ; build ( )2. An accident _ on this road last week. A.has been happened B. was happened B. C. is happened D. happened ( )3.Cotton（棉花） _ in the southeast of China. A. is grown B. are grown C. grows D. grow ( )4.So far, the moon _ by man already. A.is visited B. will be visited C. has been visited D. was visited ( )5.A talk on Chinese history _ in the school hall next week. A. is given B. has been given C. will be given D. gives A D A C C 1. People use metal for making machines. (改为被动语态) Metal _ _ _making machines. 2. He made me do that for him. (改为被动语态) I _ _ _ _ that for him. 3.They are watching the football match. The football match _ _ _ by them. 4.They have sold out the light green dresses. (改为被动语态) The light green dresses _ _ _ out. 5.We call the game “Lianliankan”. (改为被动语态) The game _ _ “Lianliankan” by us. 改 写 句 子 is used for was made to do are being watched have been sold is called 1. I saw the boy run yesterday. 2. You can find a lot of differences between the two languages. 3.Well put on the play next Sunday 4.Workers are building a new teaching building in our school 把下列句子改为被动语态 The boy was seen to run by me yesterday A lot of differences between the two languages can be found by you . The play will be put on by us next Sunday. A new teaching building are being built by workers in our school. 用所给动词的适当时态和语态填空用所给动词的适当时态和语态填空 1. When _ the first man-made satellite _ 1. When _ the first man-made satellite _ （ sendsend）up into space ? up into space ? 2. Last year vegetables _ (grow 2. Last year vegetables _ (grow）in the garden by in the garden by Tom and he _ (sellTom and he _ (sell）them himself. them himself. 3. She _ 3. She _ （helphelp）him with his homework tomorrow him with his homework tomorrow evening. evening. 4. How many magazines _4. How many magazines _（ can borrowcan borrow）in your in your library every week ? library every week ? 5. John _5. John _（hearhear）to go upstairs two hours ago. to go upstairs two hours ago. 6. 6. Who _ Who _ （savesave）her father ? her father ? He _ He _ （savesave）by that policeman. by that policeman. ( )6.A lot of things _ by people to save the little girl now. A. are doing B. are being done C. has been done D. will be done ( )7.-When _ this kind of computers_? -Last year. A. did; use B. was; used C. is; used D. are; used ( )8.The Great Wall _ all over the world. A. knows B. knew C. is known D. was known ( )9.The monkey was seen _ off the tree. A. jump B. jumps C. jumped D. to jump B B B D