【正文】 you tell him the news as soon as he es back？ Would you please speak again more slowly？shall ,should 和ought to、三人稱表示允諾、警告、命令、決心等。You shall do as I say. (命令) Tell him that he shall have the book tomorrow. (允諾) Nothing shall stop me doing it. (決心) ,用于第一、三人稱，用來表示請求或征求意見。Shall I open the window for you？（征求意見） Shall he fetch some water for you？（請求）3. should常表示勸告、建議、命令，與ought to意義相近，但ought to多表示責(zé)任、義務(wù)，語氣強烈。在疑問句中通常用should代替ought to。Young people should learn how to use puters. Every citizen ought to obey law. You ought not to go.,意為“本應(yīng)該做到…但沒有做到…”,用于否定則表示“本不該…但”ought to的語氣更強烈.You should/ought to have told her the truth earlier. She shouldn’t have left without saying a word.must 和haveto,肯定回答用must否定式用needn’t或don’t have to，做“不必”,mustn’t表示“禁止，不允許” — MustIfinishallassignmentsatatime? —Yes, you must. No,youneedn39。t. Youmustn’tgetdownwhilethecarisstillmoving. “必須”這個意思時，must和haveto稍有區(qū)別。must著重說明主觀看法，haveto強調(diào)客觀需要。另外，haveto能用于更多時態(tài)。 I don’t like this TV set. We must buy a new one. There was no more bus. They had to walk home.，作“準(zhǔn)是”，“一定” ，一般用于肯定句中。對過去發(fā)生的事情作肯定判斷用must have done Youmustbethenewteacher. Hemustbejoking. Thereisnobodyhere.Theymusthaveall gonehome. 4. Must表示“偏要，硬要”，指做令人不快的事情He must e and worry her with question, just when she was busy cooking the dinner. Of course，after I gave her my advice，she must go and do the opposite。EXERCISES were already five people in the car but they managed to take me as well. It ____a fortable journey. ( ) A. can39。t be B. mustn39。t have been C. shouldn39。t be D. couldn39。t have been fire spread through the hotel very quickly but everyone ___ get out. ( ) A. had to B. would C. could D. was able to3. Peter ___ e with us tonight, but he isn’t very sure. A. must B. can C. may D. will4. Could I call you by your first name? Yes, you____. A. will B. could C. can D. might5. Sorry, I ’m late. I ___ have turned off the alarm clock and gone back to sleep again. A. might B. should C. can D. will me, but I want to use your puter to type a report.You ____ have my puter if you don’t take care of it.A. shan’t B. might not C. needn’t D. shouldn’t7. With so much work on hand, you ____to see the game last night. A. mustn’t go B. could have goneC. shouldn’t go D. shouldn’t have gone, you ______play with the knife, you ____hurt yourself. ( )A. won39。t 。 can39。t B. mustn39。t 。 mayC. shouldn39。t 。 must D. can39。t 。 wouldn39。t9. I missed the bus, so I ___ go home on foot. A. must B. may C. can D. had to 11/11