【正文】 ock now they should be there.二、情態(tài)動詞表示對過去可能發(fā)生的動作或存在過的動作的推測性用法。如：You could have stayed with the Smiths while you were in New York (but in fact you stayed in a nearby hotel .) Could Mr Li have helped this girl student?“may/might+完成式”表示“過去可能，本來可以于某事而實際上沒有干”，might的可能性較小，語氣較弱。We were able to reach the top of the mountain at 。（2）不能。如：I know I must study 。She is used to eating 。 “I’m not sure” 說明說話者的語氣并不肯定， 所以要用 might。t B. may not C. needn39。 may not C. may。t work out this problem, so it be very difficult.A. may B. must C. can D. need( )4 He isn39。t B. mustn39。t B. did C. didn39。t be D. don39。t you ask Mike to go with us? —Thanks, ___. A. I will B. I won39。d like to D. I do 8( )1 You___ worry about your son. He will get well soon. A. needn39。t情態(tài)動詞練習(xí)題1. I told Sally how to get here, but perhaps I _______ for her.　　A. had to write it out can’t D. may11. A leftluggage office is a place where bags _____ be left for a short time, especially at a railway station.　　A. should D. will12. I wonder how he _______ that to the teacher.　　A. dare to say D. dared say13. When he was there, he ___ go to that coffee shop at the corner after work every day.　　A. would D. Shouldnearly 暗示“時間不早了”，Jack“按理應(yīng)當(dāng)(should)隨時(at any moment)”都有可能到達這里。　　6. B?！　?. B。should(應(yīng)該), must(必須), will(愿意)均不符合語境。can 在疑問句中，表示疑惑、懷疑，根據(jù)情況可譯作“能、可以”等。在規(guī)章中告誡應(yīng)考者，在收完所有試卷前“必須”留在教室里?！　?1. B?！　?. D?！　?. D。既然小汽車上“已有五人”，且是“設(shè)法”才把你帶去的，如此擁擠，旅途當(dāng)然“不可能”舒服。 B. May C. mayt B. needn39。 must 7( )1 Excuse me. ___ you please pass me that cup? A. Do B. Should C. Would D. Must( )2 ___ you like to have another try? A. Could B. Will C. Would D. Do( )3 —Would you like to go boating with us? —Yes, ___.A. I39。 cutted( )4 You___ ask that man over there. Maybe he knows the way. A. had better not to B. had not better C. had better D. had better not6( )1 —Shall we go and visit the History Museum next Sunday? —________A. Here you are B. Sorry, I can39。t ( )2 You39。t C. does D. doesn39。t have to D. don39。t D. needn39。t D. may not 2. ( )1. – He___ be in the classroom, I think —No, he ___ be in the classroom. I saw him go home a minute ago. A. can。答案：C　　【情態(tài)動詞活學(xué)巧練】1 ( )1 John___ e to see us tonight, but he isn39。 本題易錯選B, mustn’t 意為“禁止”，故不正確。易混點六: used to do / be used to doing / be used to do…/ be used for doing sthused to do 表示過去常常發(fā)生的動作， 強調(diào)過去，只用于過去，注意用 to do，不用doing形式；而be used to doing 意為“習(xí)慣做…”， be 可有各種時態(tài)； be used to do 意為“……被使用去做……,” 為被動語態(tài)形式?！　∫谆禳c五：must 和 have to 側(cè)重于個人意志和主觀上的必要。易混點四：can’t 和 mustn’t1. can’t 根據(jù)其基本用法可譯為：（1）不會。He has been able to drive. 他已經(jīng)會開車了。如：I saw him just now. He can’t have gone to Japan.She said the man couldn’t have stolen her car.“could+have done/been”表示“過去本來能夠，可以做某事或成為某種狀態(tài)，而實際上沒有”，說話者有些遺憾。如：The man may be the headmaster.—Where is Mr Li? —He might be working in his office. —May Mr Li e? —He might not e here.Could表示推測時，語氣can比要弱，說話者留有余地。如：You needn’t get up so early every 。4.（1）needn’t 意為“ 不必”。can’t help doing 禁不住，…情不自禁… can’t wait to do sth 迫不及待… 如：She can’t help crying. 她不禁大哭起來。如:Could you do me a favour? 你能幫我個忙嗎？—Could I use your pen? 我能用一下你的鋼筆嗎? —Yes, you 。注意： will在there be句型中的形式及其句式變換。如：Would you like a cup of tea?　Would you like to go and see her?因此，如果我們說：“去游泳好嗎?”英語中可有這樣幾種表達法：Shall we go for a swim?　Let39。s do...”來提出建議。Your car needs mending. = Your car needs to be repaired. 你的車需要維修了。 用need 提問時，肯定回答為 must，否定回答為 needn’t或don’t have to。 如：You must stay here until I e 。　答案：A (2) .表示推測，談?wù)摽赡苄裕鉃椤?可能， 或許”，一般用于肯定句中。 如：Can the news be true? 這個消息會是真的嗎？—Can it be our teacher?那個人有可能是我們老師嗎？—No, it can’t be our teacher. He is on a visit to the Great 。情態(tài)動詞有具體的詞義，但也同助動詞一樣，需要與其他詞語一起構(gòu)成句子的謂語，另外情態(tài)動詞沒有人稱和數(shù)的變化，情態(tài)動詞后必須跟動詞原形。如：She can swim fast, but I can’t . 她能游得很快，但我不能。如：He could write poems w