情態(tài)動詞詳解、典型例題

1、情態(tài)動詞詳解、典型例題及模擬試題 1 must、can、could、may、might、will / would、shall / should、need、daremust的肯定式表示“必須”，否定式mustnt表示“禁止，嚴禁”的意思。如：You must come here You mustnt take the book away from the library 同義詞為have to do ， 表示“不得不”一般表示客觀原因造成的“不得不、被迫”如：My car was broken ， so I had to walk home can的肯定式表示“能、會”“可以”，否定式cant表

2、示“不能，不會，不可以”。如：He can swim I cant swim You can go now 同義詞為be able to do ， 也表示“能，會”一般表示經過努力才具有的能力與can的區(qū)別，主要是它可有時態(tài)。如：He was able to count to 10 ， 000 when he was 3 He will be able to walk next month may表示“可以”，否定式may not表示“不可以”表示經某人允許。如：You may go home now You may not go home now will表示“將要，打算”用于將來時，否定式

3、will not / wont表示“將不”“不打算”。如：He will come here next week He wont come home shall用于第一人稱后表示“將要”“打算”否定式shall not表示“將不，不打算”。如：We shall go home together I shall go there first 用于其他人稱后表示“必須，得”與must相近，但表示別人認為主語“應該，得”如：He shall go and see his aunt Shall he open the door ?need表示“需要”，否定式neednt表示“不需要，不用”如：He n

4、eed do some washing You neednt stay here any more dare表示“敢于”否定式dare not表示“不敢”如：He dare say no to wrong things He dare not go home alone at night 注：need與dare除情態(tài)動詞用法外還有實意動詞用法，且意義不變。如：He needs some water He doesnt need to go home He needs to go to the hospital right now 2 could ， would ， should ， might

5、這四個詞除了做過去式外，還表示委婉語，此時與時態(tài)無關。could表示“可以”如：You could open the door Could you please give me the cup ?Could I come in ?would表示“可以，是否可以”此時一般只用疑問式且只用于you如：Would you please give me the book ?Would you please not go away ?would like to do表示“愿意，喜歡”如：Would you like to go with me ? I would like to buy this boo

6、k should表示“應該”“必須”；ought to 用于表示“應該”（強調客觀上）：（大多情況可用 should 代替）如：You should give me the book back What should we do next?He shouldnt go out on such a bad day You ought to go to see the doctorYou oughtnt（ought not）to smoke so muchEach member shall wear a name card（表示規(guī)定）I should answer his letter as so

7、on as possible（表示應該）You shouldnt judge a man always by the clothesThe rules shall take effect onJan 1stmight表示“可以”與may基本上可互換，但他語氣較弱。如：You might go home ， but you must finish your homework 3 情態(tài)動詞之間的問答與反義疑問句May / Can I go home now ?Must I stay here ?Shall we go now ? All right Need I return the book ?

8、Shall I make some tea ?【典型例題】例1 Its nearly seven oclock Jack _ be here at any momentA must B need C should D can（答案為C，表示有把握的主觀推測用should不用can，can表示自然而然的推測，且很少用于肯定句中）例2 Mr Brown， many students want to see you， _ they wait here or outside?A shall B will C can D would（答案為A，shall用于第三人稱時表示征求某人對此人的意見）例3 Wh

9、en can I come for the photos? I need them tomorrow afternoon They _ be ready by 12：00A can B should C might D need（答案為B，同例1）例4 I _ advise you not to do that again in the futureA dare B would C should D need（答案為C，此處should譯為“必須”，表勸告）例5 When I went out，whom _ I meet but our old friend?A should B could

10、C might D would（答案為A，表示“應該”，“需不需要”，征詢意見）例6 The room is so dirty _we clean it?Of courseA Will B Shall C Would D Do（答案為B，同上）例7 Whats wrong with your car?I dont know It just _ startA mustnt B couldnt C wouldnt D shouldnt（答案為C，此處不強調車子的能力，而強調事實本身，故用wouldnt，且此句中宜用cant而不是couldnt）例8 You _ take my raincoat I

11、 _ do without it till tomorrow morningA may， can B may， mayC can， may D must， can（答案為A，前面表示許可，后面表示能夠）例9 How_ there be such a thing?A may B can C must D will（答案為B，表示可能性大的推測）例10 He_ have the book when I finish reading itA will B shall C must D ought（答案為A，表示將要）例11 Be quiet， please， or his voice _ be he

12、ardA cant B mustnt C isnt able to D may not（答案為D，表示可能性，A太絕對）例12 Why_ you always interrupt me?A can B will C may D must（答案為D，此處表示總得，一定要）例13 What _ we to do next ?A have B used C ought D are（答案為C，ought to do疑問式）例14 If your children _ do as I tell you ， you _ let them beA wont， shant B（不填）， willC dont， shant D must， shall（答案為C，主將從現(xiàn)）例15 Man _ die without air or waterA will B shall C should D would（答案為A，表示大的可能性）例16 This pen looks like mine， yet it isnt Whose _ it be?A must B can C would D will（答案為B，推測提問）例17 _ I to go and apologize for my mistake?A Should B Need C Ought D Have（答案為C，ought to do疑問式）例