1、根據課本內容，完成下列句子。根據課本內容，完成下列句子。1. 我認為不應該允許十六歲的孩子開車。我認為不應該允許十六歲的孩子開車。 I dont think sixteen-year-olds _ _ _ to drive.2. 我同意。他們還不夠嚴謹。我同意。他們還不夠嚴謹。 I agree. They arent serious enough.should be allowed3. 你認為應該鼓勵青少年去自己做決定嗎？你認為應該鼓勵青少年去自己做決定嗎？ Do you think teenagers _ _ _ to make their own decisions?4. 不，我不認同這個

2、。青少年還太小不能自不，我不認同這個。青少年還太小不能自己做決定。己做決定。 No, I dont agree with this. Teenagers are _ _ _ make their own decisions. should be encouragedtoo young to5. 不應該允許青少年去做兼職。不應該允許青少年去做兼職。 Teenagers _ _ _ _ to have part-time jobs. 6. 不，我不同意。他們可以從工作當中學不，我不同意。他們可以從工作當中學到很多。到很多。 I disagree. They can _ a lot _ workin

3、g.learn from should not be allowed 7. 你認為如果不用閃光燈的話可以允許我們你認為如果不用閃光燈的話可以允許我們拍照嗎？拍照嗎？ Do you think we _ _ _ to take photos if we dont use a flash. 8. 如果不用閃光燈的話，那么拍照是可以的。如果不用閃光燈的話，那么拍照是可以的。 If you dont use a flash, then it may be OK.may be allowed 溫故溫故 在英語中，動詞有兩種語態，即主動語在英語中，動詞有兩種語態，即主動語態和被動語態。主動語態表示主語是動

4、作的態和被動語態。主動語態表示主語是動作的執行者，被動語態表示主語是動作的承受者。執行者，被動語態表示主語是動作的承受者。在前面兩個單元我們已經學習了一般現在時在前面兩個單元我們已經學習了一般現在時的被動語態和一般過去時的被動語態，它們的被動語態和一般過去時的被動語態，它們的結構為：的結構為：are/ is +及物動詞的過去分詞及物動詞的過去分詞, were/ was+及物動詞的過去分詞。及物動詞的過去分詞。 知新知新 本單元我們主要了解含有情態動詞的本單元我們主要了解含有情態動詞的被動語態。它的結構是什么呢？觀察下面被動語態。它的結構是什么呢？觀察下面例句中含情態動詞被動語態的各種形式例句中

5、含情態動詞被動語態的各種形式，然后補全結論中所缺的內容。，然后補全結論中所缺的內容。【例句例句】1. Many trees should be planted in the mountains. 應該在山上種許多樹。應該在山上種許多樹。2. You can take this book home. （改為被（改為被 動語態）動語態）This book can be taken home (by you). 3. This problem cant be worked out very easily. 這道題輕易算不出來。這道題輕易算不出來。4. Must the work be done at

6、 once? 這項工作必須立即完成嗎？這項工作必須立即完成嗎？【結論結論】A. 含有情態動詞的被動語態的結構為：情含有情態動詞的被動語態的結構為：情 態動詞態動詞+_+及物動詞的及物動詞的_。B. 含有情態動詞的主動語態變為被動語態含有情態動詞的主動語態變為被動語態 時，要把主動語態的時，要把主動語態的_變成被動語變成被動語 態的主語。態的主語。C. 變為否定句時只需要在情態動詞后加變為否定句時只需要在情態動詞后加 _。D. 變為一般疑問句時只需把變為一般疑問句時只需把_提到提到 句首。句首。be 過去分詞過去分詞賓語賓語not情態動詞情態動詞【運用運用】. 選擇最佳答案。選擇最佳答案。( )

7、 Young trees should _ every year. A. be planted B. planted C. plantA. 按要求完成下列各句，每空一詞（含按要求完成下列各句，每空一詞（含 縮寫）。縮寫）。1. We must do the work right now. （改為被（改為被 動語態）動語態） _ _ _ _ _ right now.2. Teenagers should be allowed to go out with their friends on school nights. （改為否定句）（改為否定句） Teenagers _ _ _ to go ou

8、t with their friends on school nights.The work must be done shouldnt be allowed 3. A book should be read each month. (改改 為一般疑問句為一般疑問句) _ _ _ _ _ each month?Should a book be read4a Rewrite the sentences according to the example.1. You must clean your bedroom every day. Your bedroom must be cleaned ev

9、ery 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 parents) to do social work for their community the homework be done (by Lucy) tomorrow insteadn. 社區，社區，社團社團4. Do yo

10、u 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 Internetshould be given chances to make their own decisions.keepaway from 避免接近，遠離避免接近，遠離n. 機會，可能機會，可能性性自己做決定自

11、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) to take care of themselves from a young age. This way, when they _ (start) working they can manage their own li

12、ves. 4b Fill in the blanks with the correct forms of the words in brackets.be askedare allowedbe educatedstartv. 教育；教導教育；教導v. 完成；應付完成；應付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. But the young should then look after their parents as they get older. That is why many Chinese adults _ (continue) to live with their parents.movetakecontinuen. 社會社會You and your frien