Unit 2 Grammar and usage (II) （ppt课件）-2022新牛津译林版《高中英语》必修第二册.pptx

1、Grammar and Usage(2 2)Passive voice in the present continous and present perfect tensesUnit 2 Be sporty,be healthyHomework checking(workbook P64)Answers:1.is being interviewed;2.have been sent;has been ordered;3.is being widened;4.is being repaired;5.has been completed;6.is being cut.Applying the ru

2、lesB1 Rewrite the following sentences using the passive voice.1.The city government is building a new community sports centre.A new community sports centre is being built(by the city government).Applying the rulesB1 Rewrite the following sentences using the passive voice.2.Some workers are painting

3、the walls in the workout rooms.The walls in the workout rooms are being painted(by some workers).Applying the rulesB1 Rewrite the following sentences using the passive voice.3.People have told me the new workout rooms are very modern.I have been told that the new workout rooms are very modern.Applyi

4、ng the rulesB1 Rewrite the following sentences using the passive voice.4.Jennys PE teacher has asked her to make an exercise plan.Jenny has been asked to make an exercise plan(by her PE teacher).Applying the rulesB1 Rewrite the following sentences using the passive voice.5.The teachers are testing s

5、tudents on their knowledge of fitness.Students are being tested on their knowledge of fitness(by the teachers).Applying the rulesB2 Frances has written a review of the sports centre.Complete the review with the correct forms of the verbs in the brackets.Answers:1.are being made2.have been put3.are b

6、eing tested4.have been designed5.have been built被动语态结构小结被动语态结构小结The Passive Voice 一般现在时一般现在时一般过去式一般过去式一般将来时一般将来时过去将来时过去将来时现在进行时现在进行时过去进行时过去进行时现在完成时现在完成时过去完成时过去完成时带有情态动带有情态动词的被动语态词的被动语态am/is/are donewas/were donewill/shall be doneam/is/are going to be donewould/should be donewas/were going to be done

7、am/is/are/being donewas/were being donehas/have been donehad been donecan/could/may/mightshould/must/needbe done1.把主动语态变为被动语态时，应保留主动语态原来把主动语态变为被动语态时，应保留主动语态原来的的。She often cleans the house.The house is often cleaned by her.2.有些动词可以有有些动词可以有，在用于被动结构时，在用于被动结构时，通常变为主语的是间接宾语（通常变为主语的是间接宾语（sb.）His mother ga

8、ve him a present for his birthdayHe was given a present by his mother for his birthday.主动语态变被动语态应注意的问题主动语态变被动语态应注意的问题3.当当“动词动词+宾语宾语+宾语补足语宾语补足语”结构变为被动语态时，结构变为被动语态时，将宾语变为被动结构中的主语，其余不动将宾语变为被动结构中的主语，其余不动.Someone caught the boy smoking a cigarette(香烟香烟).=The boy was caught smoking a cigarette.4.在在have,ma

9、ke,get以及以及see,watch,notice,hear,feel,observe等变为被动结构时，要加等变为被动结构时，要加to。Someone saw a stranger walk into the building=A stranger was seen to walk into the building.5.有些有些，如，如“动词介词动词介词”，“动词副词动词副词”等，也可用于被动结构，但要看作一个等，也可用于被动结构，但要看作一个整体，不能分开整体，不能分开，其中的介词或副词也不能省略。其中的介词或副词也不能省略。The meeting is to be put off ti

10、ll Friday.主动语态变被动语态应注意的问题主动语态变被动语态应注意的问题6.taste,smell,feel,sound,prove等可用主动形式等可用主动形式表达被动意义。表达被动意义。These flowers smell sweet.The food tastes delicious.That sounds very reasonable.7.某些与某些与 cant,wont 等连用的不及物动词，如等连用的不及物动词，如move,lock,shut,open 等可用主动形式表达被动意义。等可用主动形式表达被动意义。The box cant move.The door wont s

11、hut.8.某些可用来表示主语内在某些可用来表示主语内在的不及物动词，的不及物动词，如如 sell,write,wash,clean,last(耐久耐久),wear(耐穿耐穿)等可等可用主动形式表达被动意义用主动形式表达被动意义.This kind of food sells well.This cloth washes well and lasts long.主动语态变被动语态应注意的问题主动语态变被动语态应注意的问题9.形容词形容词 后要用动名词的主动形式表被动意义。后要用动名词的主动形式表被动意义。The novel is worth reading.主动语态变被动语态应注意的问题主动语

12、态变被动语态应注意的问题10.在动词在动词 等动词之后，可用动名词等动词之后，可用动名词的主动形式表示被动意义。的主动形式表示被动意义。The trees need watering.Children want looking after.The TV needs mending.11.动词不定式的主动形式表示被动意义：动词不定式的主动形式表示被动意义：1)n.+be+too+adj.+to do The plane is too high to see.2)n.+be+adj.+enough+to do The book is cheap enough for me to buy.3)n.+

13、be+adj.+to do The question is not easy to answer.主动语态变被动语态应注意的问题主动语态变被动语态应注意的问题 Practice 1.If city noises _ from increasing,people _ shout to be heard even at dinner A are not kept;will have to B are not kept;have C do not keep;will have to D do not keep;have to 2.The fifth-generation computers _and

14、 perfected now.A.developed B.have developed C.are being developed D.will have been developed AC Practice3.-_ the sports meet might be put off -Yes,it all depends on the weather A Ive been told B Ive told C Im told D I told 4.I need one more stamp before my collection _.A.has completed B.completes C.

15、has been completed D.is completed DAPractice Practice5.Rainforests _ and burned at such a speed that they will disappear from the earth in the near future.A.cut B.are cut C.are being cut D.had been cut 6.The new bridge _ by the end of last month.A.has been designed B.had been designed C.was designed

16、 D.would be designedBCPractice7.When part of a pencil is in a glass of water,it looks as if it _.A.breaks B.has broken C.was broken D.had been broken 8.Great changes _ in the city,and a lot of factories _.A.have been taken place;have been set up B.have taken place;have been set up C.have taken place

17、;have set up D.were taken place;were set upCBPracticePractice9.-Look!Everything here is under construction.-Whats the pretty small house that _ for?A.is being built B.has been built C.is built D.is building 10.-Do you like the cloth?-Yes,it _ very soft.A.is feeling B.felt C.feels D.is felt ACPracticePracticeFinish the additional exercise.Homework