含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)

1、含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)can, could (能；會(huì)能；會(huì)), may; might (可以可以) must(必須必須), should(應(yīng)該應(yīng)該), would(愿意愿意)have to(必須；不得不必須；不得不), had better(最好做最好做)1. We should allow teenagers to watch TV on Sunday. Teenagers should be allowed to watch TV on Sunday( by us) .2. My mother can cook delicious

2、meals. Delicious meals can be cooked ( by my mother ).3. People may catch fish in the river.Fish may be caught in the river (by people). 4.we must keep teenagers away from the Internet? Teenagers must be kept away from the Internet. can/could must should may/might had better have to 情態(tài)動(dòng)詞情態(tài)動(dòng)詞+be +過(guò)去分

3、詞過(guò)去分詞1.The flowers _often. A. must be water B. must be watered C. must watered D. must water2. The books may_ for two weeks. A. be kept B. be borrowed C. keep D. borrow3 The broken bike_ here by Mr Smith. A. can mend B. can mended C. can be mend D. can be mended4.Young trees should _ every year. A.

4、be plantedB. planted C. plant D. are planted1.Your homework should be finished first. Your homework shouldnt be finished first. Should your homework be finished first ?2. This magazine can be taken home. This magazine cant be taken home. Can this magazine be taken home ? 3. Trees must be watered eve

5、ry day. Trees mustnt be watered every day. Must trees be watered every day? 情態(tài)動(dòng)詞情態(tài)動(dòng)詞+not + be + 過(guò)去分詞過(guò)去分詞 can/could must should may/might had better情態(tài)動(dòng)詞情態(tài)動(dòng)詞+ 主語(yǔ)主語(yǔ)+ be + 過(guò)去分詞過(guò)去分詞 Can/Could Must Should May疑問(wèn)詞疑問(wèn)詞+情態(tài)動(dòng)詞情態(tài)動(dòng)詞+ 主語(yǔ)主語(yǔ)+ be + 過(guò)去分詞過(guò)去分詞 can/could must should may/mightWhen must this task be finishe

6、d? 這項(xiàng)任務(wù)必須在什么時(shí)候完成？這項(xiàng)任務(wù)必須在什么時(shí)候完成？含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)含情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)肯定句肯定句: : 主語(yǔ)主語(yǔ)+ + 情態(tài)動(dòng)詞情態(tài)動(dòng)詞+ be+ + be+ 動(dòng)詞過(guò)去分詞動(dòng)詞過(guò)去分詞. .否定句否定句: : 主語(yǔ)主語(yǔ)+ + 情態(tài)動(dòng)詞情態(tài)動(dòng)詞+ + notnot+ be+ be+動(dòng)詞過(guò)去分詞動(dòng)詞過(guò)去分詞. .一般疑問(wèn)句一般疑問(wèn)句: : 情態(tài)動(dòng)詞情態(tài)動(dòng)詞+ + 主語(yǔ)主語(yǔ)+ be+ + be+ 動(dòng)詞過(guò)去分詞動(dòng)詞過(guò)去分詞? ?特殊疑問(wèn)句：特殊疑問(wèn)句：特殊疑問(wèn)詞特殊疑問(wèn)詞+ + 情態(tài)動(dòng)詞情態(tài)動(dòng)詞+ + 主語(yǔ)主語(yǔ)+ + be + be + 過(guò)去分詞過(guò)去分詞 ？4a Rewrite th

7、e sentences according to the example.1. You must clean your bedroom every day. Your bedroom must be cleaned every day.2. Parents should encourage teenagers to do social work for their community. Teenagers _ _.3. Can Lucy do her homework tomorrow instead? Can _ _? should be encouraged (by their paren

8、ts) to do social work for their community the homework be done (by Lucy) tomorrow insteadn. 社區(qū)，社區(qū)，社團(tuán)社團(tuán)4. Do you think we must keep teenagers away from the Internet? Do you think teenagers _?5. Parents should give teenagers chances to make their own decisions. Teenagers _ _ must be kept away from the

9、 Internetshould be given chances to make their own decisions.keepaway from 避免接近，遠(yuǎn)離避免接近，遠(yuǎn)離n. 機(jī)會(huì)，可能機(jī)會(huì)，可能性性自己做決定自己做決定Should teenagers _ (ask) to move out when they start working? In many Western countries, teenagers _ (allow) to move out at eighteen. Their parents believe that they should _ (educate) t

10、o take care of themselves from a young age. This way, when they _ (start) working they can manage their own lives. 4b Fill in the blanks with the correct forms of the words in brackets.be askedare allowedbe educatedstartv. 教育；教導(dǎo)教育；教導(dǎo)v. 完成；應(yīng)付完成；應(yīng)付However, in most Asian societies, it is not common for teenagers to _ (move) out. Chinese parents believe that it is better for children to live with parents who can _ (take) care of them.