8下unit7被动语态

1、8B Unit7 International charitiesGrammar Where do ORBIS doctors do operations? ORBIS doctors do operations on the plane. 奥比斯医生在飞机上动手术。奥比斯医生在飞机上动手术。 do active voice 主动语态主动语态 What is needed by ORBIS to help blind people?More money is needed by ORBIS to help blind people.更多的钱被奥比斯需要来帮助盲人。更多的钱被奥比斯需要来帮助盲人。

2、is needed Passive Voice 被动语态被动语态判断：被动语态判断：被动语态( A )/主动语主动语 态态( B );被动语被动语态要划出动词部分态要划出动词部分1）Millie and Amy took the little cat to the animal center yesterday.2）The 79-year-old man was saved out of a fire last year.3）This kind of cake is called mooncake.4）People use a keyboard to type information into

3、 the computer.5）The windows in our classroom are cleaned once a week. BBAAA主动语态表示主语是主动语态表示主语是动作的执行者动作的执行者，被动语态表示主语是被动语态表示主语是动作的承受者动作的承受者，当主语和谓语动词构成被动关系时，当主语和谓语动词构成被动关系时，通常需要用被动语态。汉语中常用通常需要用被动语态。汉语中常用“被被”、“给给”、“由由”、“受受”等词来表示被动，而英语中则用等词来表示被动，而英语中则用“be+动词的过去分词动词的过去分词”来表示。来表示。We use the active voice whe

4、n it is important to know who performs the action.当重要的是知道谁是动作执行者时，我当重要的是知道谁是动作执行者时，我们用主动语态。们用主动语态。When to use the active voice ? l It is obvious who performs the action. 动作的执行者是谁是很明显的。动作的执行者是谁是很明显的。 The plane is used as a training centre. When to use the passive voice ? lWe do not know or do not nee

5、d to know who performs the action. 我们不知道动作的执行者是谁或不需我们不知道动作的执行者是谁或不需 要知道动作执行者是谁。要知道动作执行者是谁。 His eye problem was cured two months ago.When to use the passive voice ? lThe action is more important than the person who performs the action. 我们强调是动作承受者而不是动作的我们强调是动作承受者而不是动作的 执行者。执行者。 The lives of the patien

6、ts with eye problems are improved.When to use the passive voice ?(1) This writers books are sold in many countries(2) Rice is grown in China. (3) Some windows were broken last night. (4) This book was published in 2003. What is this charity called in English? It is called ORBIS.What is the plane use

7、d as?It is used as a hospital. It is also used as a training centre. How many patients were operated on during Dr Mas last visit? During his last visit, 150 patients were operated on. Who do operations on the plane? ORBIS doctors do operations. Operations are done by ORBIS doctors. (1) On the plane,

8、 volunteer doctors do operations. (2) ORBIS doctors helped many blind people.We can also introduce who or what performs an action in the passive voice using by. We put by and the performer after the verb. Operations are done by volunteer doctors.Many blind people are helped by ORBIS doctors.The Clas

9、s1, Grade 8 students are talking about the different things people can do for the poor. Look at the pictures and help them complete their notes using the words in brackets and the passive voice. Add the word by when necessary.Charity activities _ ( plan/ to help the poor).Leaflets _(hand out/ to peo

10、ple in the street/ volunteers).Toys and CDs_(sell/ to raise money).are planned to help the poorare handed out to peopleIn the street by volunteersare sold to raisemoneyNew books _(send/ to children in poor areas/ the Class1, Grade 8 students).Warm clothes _(collect/ for poor people). A charity show_

11、 (hold/ the Students Union).are sent to children in poor areas by the Class 1, Grade 8studentsare collected for poorpeopleis held by the Students Union was set up was opened are sold is used is called was started were given are built用所给动词的被动语态填空用所给动词的被动语态填空: 1) your room _ (clean) every day? 2) Our

12、classroom _ ( not clean ) yesterday. 3) Both of the two books _ ( lose) last Sunday. 4) The students _ ( ask ) to hand in their homework on time every day.5) -When this kind of computer (make) in Hong Kong? - In 2000.Is cleanedwasnt cleanedwere lostare askedwasmade抓关键词确定时态抓关键词确定时态!把下列主动语态的句子变为被动语态，或

13、把被动语态的句子变为主动语态。(1) Tom often helps Jenny when she is in trouble. Jenny is often helped by Tom when she is in trouble.(2) I bought a computer last week. A computer was bought by me last week. (3) The whole cake was eaten by Eddie yesterday. Eddie ate the whole cake yesterday. (4) Many trees are planted by students and teachers ever