1、Unit 4 A good readGrammar 1handhand inand so onreviewreturnon timerenewvi. 交；遞，給上交，遞交等等n. 評論vt. 歸還準時vt. 續借；更新；重新開始Words and phrases review Andy doesnt know _.what to wear看圖完成句子。Millie cant decide _.which book to buyThey dont know _ to the station.how to goI dont know how _ from a library.to borrow b

2、ooks To learn to use question words + to-infinitivesTo learn to use must and have to ObjectivesGulliver didnt know what to say.Gulliver didnt know how to get away.Use a question word with a to-infinitive after a verb. Using question words + to-infinitivesMillie has decided .(讀什么)Daniel didnt say .(與

3、誰談話)Simon forgot . (何時與朋友見面)Sandy is wondering .(去哪里尋求幫助)Amy doesnt know .(如何寫報告)what to readwho to talk towhen to meet friendswhere to ask for helphow to write the reportAll question words can be used with a to-infinitive, except why.She will explain why to recommend this book.She will explain why

4、she recommends this book. Using a verb and an object before a question word + to-infinitivesMr Wu advised us which to choose as after-school activities.The students asked their teacher when to hand in their work.Millie showed us what to do next.Daniel taught himself how to use a computer to draw.有些動

5、詞，如advise, ask, show, teach, tell等，其后可以接雙賓語。 Using a noun after a question word + to-infinitivesThey are discussing which colour to paint the walls.You can ask your parents how much money to take with you.Suzy was not sure who to ask for help.Are you clear when to meet at the gate tomorrow? Using an

6、 adjective before a question word + to-infinitivesThe young woman doesnt know what to do. 那位年輕女子不知道怎么辦。I dont know what to say. 我不知道說什么。 We must know how to operate the machine. 我們必須弄懂如何操作這機器。We want to learn how to write plays. 我們想要學習如何寫劇本。 “疑問詞 + 動詞不定式”結構在句中還可以作主語和表語。How to use the machine is a qu

7、estion. （作主語）The question is when to go there. （作表語）“疑問詞 + 動詞不定式”作賓語時，相當于一個由該疑問詞引導的賓語從句。Excuse me. Can you tell me how to get to the bookshop? = Excuse me. Can you tell me _ _ _ get to the bookshop?He forgot when to meet his friends.He forgot when _ _ meet his friends.how I canhe could PracticeFinis

8、h the exercises on P55.他想知道明天在哪會見他的朋友。昨天她問我們何時上交作業。我們正在商量去參觀哪個地方。我不確定明天怎么去上學。她不能決定買哪條裙子。 SummaryHe wonders/wants to know where to meet his friends tomorrow.She asked us when to hand in homework yesterday.We are discussing which place to visit.Im not sure how to go to school tomorrow.She cant decide

9、which skirt to buy.Grammar2Unit 4 A good readGulliver was tied to the ground. So he must run away.Study is very important. So we must study hard.We use must when the speaker feels that something is necessary.He mustnt lie on the ground.We mustnt talk in class.PracticeGet the students to make up new

10、sentences using “must”.Gulliver was tied to the ground. He has to lie on the ground.Grandma is ill. She has to see the doctor.We use have to when the situation makes something necessary.She doesnt have to worry about herself.He doesnt have to shout at the tiny men.PracticeGet the students to make up

11、 new sentences using “have to”.Complete the following sentences with must, mustnt, have to, dont have to.You keep quiet in the library.You keep the books clean and tidy.You draw or write in the books.You eat or drink in the library.You return the books on time, if you want to keep them longer, you r

12、enew them.You bring your student card every time you go to the library, but remember to bring your library card.Library rulesmustmustmustntmustnthave tohave todont have tomust與haveto是情態動詞，接動詞原形。must 表示主語“有義務” “必須”，強調說話人的主觀看法，主要用于肯定句和疑問句；must be+n/adjmust +V原 (現在肯定推測, “一定”。)現否 cant+be/V eg. He is sle

13、eping. He _ _sleepy.There is someone knocking on the door. It _ _ Jim.must bemust beMust I finish the homework today?Yes, you _.No, you _/_/_. must 的疑問句，肯定回答must, 否定回答neednt/dont have to/dont need to. must neednt dont have to dont need tomustnt “禁止” eg. You _play football/smoke in the classroom.have

14、to強調的是客觀需要，意思是“不得不”。haveto 有人稱和數的變化。否:dont have to He _ _ wear light clothes because its so hot. He was ill. I _ stay at home to look after him. mustnt 用于對may 的否定回答。mustnthas tohad toImustworkhardatmylessons.我必須努力學習功課。(主觀意愿）Ihavetolookaftermotherathome.Forsheisill.我得在家照看媽媽，因為她病了。(客觀需要）It is getting

15、dark. He has to go home now.天快黑了。他現在得回家了。(客觀需要）1. Im going on a field trip but I havent decided _. (2007河南) A. what to do B. to do what C. where to go D. to go where2. Excuse me. Would you please tell me _ buy a digital camera? (2007安徽) A. what to B. where to C. what I can D. where can I I. 單項選擇。3.

16、This physics problem is too difficult. Can you show me _, Wang Lin? Sure. (2008陜西) A. what to work it out B. what to work out it C. how to work it out D. how to work out it 4. We need a new leader for our Helping Hands Club, but I dont know _. Why not Mary? She is always willing to help others. (201

17、1江蘇南通) A. what to choose B. how to choose C. when to choose D. who to choose5. The math problem is so hard. I really dont know _. (2012甘肅雞西) A. how to do it B. how to do C. what to do it6. Excuse me. Could you tell me _ get to the nearest post office? Sorry, I am new here. (2013山東威海) A. how can I B.

18、 how I could C. how to D. what I can 7. Excuse me. Could you please tell me _ my car? Sure. Park it right here. Ill help you. (2013山東青島) A. how to stop B. where to park C. where to stop D. when to park8. _ I swim here? Im sorry. Children _ swim alone here. (2012廣東) A. Must; cant B. May; must C. Can;

19、 mustnt D. Cant; can 9. Dad, must we wait until the light becomes green? Yes, Im afraid we _. Thats the traffic rule. (2013河南) A. can B. may C. have to D. need10. Students in our school _ know shouting is not allowed in the library. (2013山東萊蕪) A. can B. may C. must D. need When I go into the clothes shop, I always cant decide _ one to buy.2. My grandfather doesnt know _ to use a compute