初中被动语态公开课课件2

1、被动语态,The Passive Voice,The flowers,What does she do every day?,every day.,are watered,by her,She waters the flowers every day. 主 谓 宾,后面能接宾语的动词才有被动语态,主动变被动的方法:,She waters the flowers every day. 主 谓 宾,The flowers are watered by her every day. ,总结:,主语,be+ P.P,by +宾语,be + P.P.,被动语态的基本结构:,有各种时态的变化,考点一:,1

2、. Now English _ by more and more people all over the word. A. speaks B. is spoken C. was spoken,一般现在时的被动语态： am / is / are + PP,task,（一） 1.We like Miss Lin Very much. Miss Lin _ _ by us very much. 2.Many young people love Wang Lihongs songs. Wang Lihongs songs _ _ by many young people.,is,liked,are,l

3、oved,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 found B. is found C. was looked for,一般过去时的被动语态： was / were + PP,task,（二） 1.The man repaired the car yesterday. The car _ _ by the man yesterday. 2.Mr Song encouraged us to study hard last w

4、eek. We _ _ to study hard by MissSong last week.,was,repaired,were,encouraged,时态:,结构：,was/were + done,一般过去时,把下列句子改为被动语态：,3. Many houses _ in the future. A. will build B. will be built C. are built,一般将来时的被动语态： will + be + PP be going to + be + PP,task,(三) 1.The city will build the new airport next ye

5、ar. The new airport _ _ _ next year. 2.Huidong Middle School is going to send two students to Hongkong to study. Two students_ _ _ _ _ to Hongkong to study.,will,be,are,be,时态:,结构：,will /be going to + be +done,一般将来时,built,going,to,sent,4. Three bridges _ since last year. A. have built B. were built C

6、. have been built,现在完成时的被动语态： have / has + been + PP,task,(四) 1.Li Ming has already watered some flowers. Some flowers _ _ _by Li Ming already. 2.They have sold out the light green dress. The light green dress _ _ _ out.,have,been,has,时态:,结构：,Have/has + been +done,现在完成时,watered,been,sold,Some worker

7、s are painting the rooms now,The rooms are being painted by some workers now. 现在进行时的被动语态： am/is/are + being +pp,5. Flowers _ every day. A. has been watered B. should be watered C. 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 + done,You mustnt clean the room today. The room_ _ _ by

8、 you today. 2.We should finish our homework on time.,Our homework_ _ _ by us on time.,（四）,mustnt,should,结构：,be,cleaned,be,finished,Part 3,练习: 用be动词的正确形式填空.,A knife _ for cutting apples. 2. The air _ polluted already. 3.The rooms _cleaned later. 4. The students _ asked to have breakfast everyday. 5.T

9、hey_ encouraged to study hard in the past.,is,has been,will be,are,were,一般现在时： 一般过去时： 一般将来时： 情态动词: 现在进行时： 现在完成时：,am/is /are + done,情态动词+be+done,will /be going to + be + done,was/were + done,以下时态的被动语态构成,Summary,has / have + been + done,Task 4,am/is/are + being +done,Exercises： 1.Many people speak Eng

10、lish. 2.People used knives for cutting things. 3.We can use the box as a table. 4.We should clean the classroom every day. 5.She will repair the bike tomorrow.,6、Lucy is watering the trees.,7、 We have finished homework.,把下列的句子变为被动语态的句子： 1、They speak English in Canada . 2、People used wood for making

11、tables. 3、They are making computers in the USA.,English is spoken in Canada(by them).,Wood was used for making tables.,Computers are being made in the USA.,把被动句变否定,Computers arent being made in the USA.,4、They have grown rice in South China. 5. We must plant more trees next year. 6.I am going to cle

12、an our classroom tomorrow.,More trees must be planted next year.,Our classroom is going to be cleaned tomorrow.,Rice has been grown in South China.,把被动句变疑问.,Has rice been grown in South China？,考点二:,被动语态中的特殊情况:,6. Good medicine _ bitter to the mouth. A. tastes B. is tasted C. taste This pen _ well. A

13、. is sold B. sell C. sells,感官动词, 和sell等动词用主动语态表被动.,.,思考3: 选择 1.The pen _well. A . is written B . writes 2.The music _ nice. A . sounds B . is sounded,B,A,有些动词的主动形式表示被动含义,注意问题3：,1.read,sell, last, wash, write等带状语 （well, easily)时。如:Her book sells well.,2.感官动词feel, look, smell, sound, taste等与形容词连用时。 如：

14、The cake tastes delicious.,7. Many people _ during the earthquake in May, 2008. A. were died B. dead C. died,happen, last, die等动词不使用被动.,1.It will happen in 50 years. ( ) 2.It will be happened in 50 years. ( ),注意问题2：,不及物动词没有被动语态，如： happen, take place , begin , become dissappear, come out.,思考2: 判断下列句子

15、的正误,挑战,x,8. The man _ clean the toilet because he _ rubbish when the police walked past the park. A. was made; was seen to throw B. was made to; was seen throwing C. made; saw,see / hear sb. do sth be seen / heard to do sth see / hear sb. doing sth. be seen / heard doing sth. make sb.do sth. be made

16、 to do sth.,主动: 被动:,主动: 被动:,主动: 被动:,思考4: 把主动语态变为被动语态,I saw him fall off the tree. He _ _ _ fall off the tree.,was,seen,to,注意问题4：,一些动词如（如： make, see, hear, watch 等），后接宾语补足语为不带 “to”不定式时，变被动语态时要加上 “to”。,挑战,9. Children should _. A. take good care of B. be taken good care C. be taken good care of,固定短语的被动

17、不要丢掉后面的介词或副词,10. Your desk _. A. needs repair B. needs repairing C. needs to repair,need, allow 可以用-ing形式表示 被动 need to be done = need doing be allowed to do = allow doing,Practise makes perfect,熟能生巧,1.树要在春天种; 2.树坑要挖得够大,但不要太深; 3.把树放进坑里,扶直; 4.把泥推回坑里,用脚踩实; 5.在旁边插一根坚实的长棍子,并且保证棍子插直了; 6.用绳子（rope）把棍子和树绑起来

18、7.浇好水.,根据提示写一篇以How to Plant a Tree?为题目的短文，要求内容齐全，上下文连贯。尽量使用被动语态，80词左右。,Writing,1.树要在春天种; 2.树坑要挖得够大,但不要太深; 3.把树放进坑里, 扶直; 4.把泥推回坑里,用脚踩实; 5.在旁边插一根坚实的长棍子,并且保证棍子插直了; 6.用绳子（rope）把棍子和树绑起来 7.浇好水.,be planted,be dug,big enough,too deep,put into,be kept straight,push back to,push hard with ,knock into ,be kept straight,be tied to with,be watered well,Trees must be planted in Spring. The hole must be dug large enough but not too deep. Put the