1、1Book 3-Unit 1 Grammar: Modal verbs(教師版)Stepl. Listen to an English song and fill in the blank with Modal verbs.I want to be with you - BONZO DOG BAND(1) There are things that _ be doneThat are not yet beg unThings that I _ doWhen I want to be with youAlthough we re far apartYou re with me in my hea

2、rtNo one else _ doI just want to be with you(2) I want to be with youyou hear me?I n eed you n ear meI want to be with youI n eed you n ear me, my loveStep2. Explanation of the use of modal verbs一、情態動詞的基本用法情態動詞表示說話人的預期或情緒，如可能、意愿、猜測、義務、需要等。情態動詞有以下特征：1、 情態動詞有一定的詞義，但不能 _ ，必須與其后的 _構成謂語；2、 情態動詞沒有 _ 的變化，即

3、不隨主語的不同而變化；3、情態動詞除 ought 和 have 外，后面只能接 _4、情態動詞沒有非謂語形式，即沒有不定式、分詞等形式。5、 但有些情態動詞也有一般式和過去式的變化，如may/ might, will/ would, shall/ should 等。情態動 詞的“時態”形式并不是時間區別的主要標志，不少情況下，情態動詞的現在形式和過去形式都可以用來表示現在時間、過去時間和將來時間。e.g., 1)He cantfinish his essay by this time.現在他不可能寫完論文。2) You may use my dictionary.你可以用我的字典。3) We

4、must study hard and make progress every day.我們必須好好學習，天天向上。二、用法歸納1. can and couldLook at the sentences and sum up the usage of the modal verbs.2)He can be at home now.4) How can you be so rude?6) Can this be true?8) It could be very interesting to go out for a drive.(1) 表示，常譯為“能，會”如例句 _ 。(2) 表示對現在或過去

5、情況的 _時，只用在否定句或疑問句中，如例句 _ 。(3) 表示_ (在陳述句中屬于“”，在疑問句中屬于“ _ ”)，常譯為“可以”如例句 _ 。(3)The two of us are oneMother of my sonNo one else _ doI just want to be with you(4)I want to be with youyou hear me?I n eed you n ear meI want to be with youI n eed you n ear me, my love1) Can you speak Japanese?3) Can/ Could

6、 I have a look?5) Can you lift this heavy box?7) This can be done by him. 歸納 1: can and could2(4) 用于否定句、疑問句中，表示 _ 等，如例句 _。(5) 用于肯定的陳述句中，表示理論上的可能性，也可表示一時的情況，如例句_。could 可表示_ ，多用于過去，也可指現在，通常表示虛擬或作為 _ 的委婉形式。e.g., Can/ Could I use your cell phone?我可以用用你的手機嗎？2. may and mightLook at the sentences and sum u

7、p the usage of the modal verbs.1) It may be true.2) May I ask you a question?3) May you be happy all your life.4) May you succeed!5) He may /might be very busy now.6) Your mother may /might not know the truth.歸納 2: may and might(1)_ 表示_ ，常用于肯定和否定句中，如例句。 表示_(在陳述句中屬于“_”，在疑問句中屬于“_”)，常譯成“可以”如例句_ 。表示“ _”

8、時，might 比 may 語氣更委婉，類似 could/與 can。對其一般疑問句的肯定回答可用 may 或 can,但要作出否定回答時要用 _。mustn表示“不可以，不許”用于祈使句，表示 _，如例句 _ 。might 比 may 語氣更委婉may / might 表示_ 時，表示對現在或將來要發生的事情把握不大，如例句 _ 。might / may have done 表示對過去發生的動作進行的 _。e.g., 1) He may have gone to the clinic.他可能去醫務室了。2)He might have read about the news in the ne

9、wspaper.他可能已經從報紙上知道這個消息了。3. will and wouldLook at the sentences and sum up the usage of the modal verbs.1) Will / Would you please post the letter for me?2) Go where you will.3) She asked if I would go with them.4) Oil will float on water.5) Ask him. He will know.6) When he was a child, he would oft

10、en go skiing.7) Every family would have some sort of trouble.歸納 3: will and would(1)表示意愿， will 表示_ ， would 表示_ ,女口例句_ 。表示_，主要用于第二人稱的疑問句中，will 和 would 均可用，would 此時并不表過去，而表示_ ,如例句 1。(3)表示_ , will 表示現在的習慣，would 表示過去的習慣，如例句_。(4)表示_ , will 用于談論現在，would 可用于談論過去，也可用于談論現在(語氣較委婉)，如例句_。4. shall a nd shouldLoo

11、k at the sentences and sum up the usage of the modal verbs.1) You shall do as I say.2) Shall I open the window for you ？3) Nothing shall stop me doing it.4) Young people should learn how to use computers.5) Tell him that he shall have the book tomorrow.6) Shall he fetch some water for you ？7) They l

12、eft at 5:30. They should get there now. 8) You should have told her the truth earlier.歸納 4: shall and should3(1) 在陳述句中 ,shall 用于二、三人稱表示 _ 、_ 、_ 、_等，女口例句_4(2) 在疑問句中,用于一、三人稱，用來表示 _ 。如例句 _(3) should 常表示_、_ 。如例句_。(4) should have done 表示_ ,意為 本應該 但”，女口例句_。(5) should 用于_ 時，表 應該，很可能 ”，如例句_。5. must and cant

13、Look at the sentences and sum up the usage of the modal verbs.1) He must be reading the novel now.2) You mustn smoke here.3) It can be true.4) You must go to see the film.5) You must hand in your homework today. 6) It is all wet on the ground. It must have rained last.7) He canhave been at home last

14、 ni ght, for the light was n to n.歸纟納 5: must and cant(1) must 可以表示 _?！癿ust +動詞原形”表示現在或經常發生的情況作 _ 。作此意講時，must 的否定形式不是 _,而是_ , 如例句 _。(2) mustn 表示“不允許，禁止”，如例句 _。must 表示_,多處于義務、責任或強制命令，如例句 _。must 表示“必須”，用于一般疑問句中，肯定回答用 _ ,否定回答用 _.e.g., -Must we hand in our homework today ? 我們今天必須交作業嗎？-Yes, you must.是的，你

15、們必須。/ No, you neednt/don have to.不， 你們不必。(4) must 表示_,如例句 4。(5) must have done 表示對_ ，如例句 _。can t have done 表示對_，如例句_ 。Step 3.鞏固練習(1)從每題所給的 A、B、C、D四個選項中，選出可以填入空白處的最佳選項。t take an umbrella. It is nt know. It_ do.B. n eedC. wouldB. mustC. wouldD. n eed3) He_sleep, although he tried to, when he got on su

16、ch a hunt for an idea until he had caught it.A. wouldntB. shouldnt C. couldntD. mustnt4) _you interrupt now? Ca nt you see Im on the phone?Sorry Sir, but its urge nt.A. Can B. Should C. Must D. Would5) One of our rules is that every stude nt_ wear school uniform while at school.A. mightB. could C. s

17、hall D. will6) I got close eno ugh to hear them speak ing Chin ese, and I said“Ni Hao,”just as I_ do in China.A. must B. might C. can D. should1) You n eed nWell, I donA. mightt going to rain.D. should2) Since n obody gave him any help, hehave done the research on his own.A. can57) I_ tha nk you too

18、 much for all your help to my son while we were away from home.A. wontB. cant C. canD. will8) Shall I inform him of the cha nge of the schedule right now?I am afraid you_, in case he comes late for the meet ing.A. willB. mustC. mayD. can9) . I don t realiye James. Why did you invite him? Don t worry

19、. He_ come. He said he wasn t certain what his plans were.A. must notB. n eed not C. would notD. might not10) Jack described his father, who_ a brave boy many years ago, as a strong -villed man.A. would beB. would have bee n C. must be D. must have bee nKeys: 1-5: A B C C C 6-10: B B B D D(2) Exerci

20、se 2 on page 5 in your textbook.Step 4. Homework(1) 從句子后面的括號中選擇適當的情態動詞填空。1. You_ help him because you are his best friend. (could, should)2. He_ sit like that for hours whe n he was in trouble. (will, would)3. She_ drive a car, but sometimes she goes to school by bus. (ca n, could)4. Lisa said there

21、_ be a few magaz ines in that library, but she was not sure yet. (may, might)5. Does Jack go to work by bus?He should, but he_ not. He likes to go to work on foot. (may, can)6. You_ be tired. You have been working for only one hour. (mustn t, can t)7. _I put away your no tebook and uniform for you? (Shall, Should)Yes. Thank you.8. Mary_ have bee n well prepared for the exam, for she got full marks in it. (may, must)(2) 從每題所給的 A、B、C、D 四個選項中，選出可以填入空白處的最佳選項。1) As he had heart attack, he was told that he_ continue the work.A. n eed ntB.