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1、情态动词 Modal Verb,英语专题复习,一.知识梳理,二.典题剖析,三.方法提升,五.综合训练,四.中考链接,1.掌握情态动词的定义,2.掌握情态动词的语法特征,4.掌握常用情态动的用法,知识梳理,3.常用的情态动词有哪些？,掌握情态动词的定义：,1.,情态动词表示说话者的情感、态度和语气。它们本身有一定的意义，但没有人称和数的变化，不能单独作谓语，须和动词一起构成句子的谓语。一般情况下表示否定时在情态动词后加not ，表示疑问时将情态动词提至主语前。,2.,掌握情态动词的语法特征,1） 情态动词不能表示正在发生或已经发生的 事情，只表示期待或估计某事的发生。 2） 情态动词后面只能接不
2、带to 的不定式。 3） 情态动词没有人称，数的变化。 4） 情态动词没有非谓语形式，即没有不定 式，分词等形式。,3.,常用的情态动词有哪些？,掌握常用情态动词： can, could, may, might, must, shall, should, will, would等。,4.,掌握常用情态动的用法,掌握常用情态动的用法,4,掌握常用情态动的用法,4,掌握常用情态动的用法,4,掌握常用情态动的用法,4,情态动词学习四要素,(一)注意情态动词的推测用法,归纳,归纳 情态动词表推测的用法 (1) 肯定句中一般用must，may might / could。 (2) 否定句中一般用cant
3、 。 (3) 疑问句中用can 。,方法提升,might, could, may, must,Eg： - Are you coming to Jeffs party? - Im not sure. I _go to the concert instead A. must B. would C. should D. might,析：选D。Im not sure.的语境表明把握性不大，当然我去参加音乐演奏会的可能性就比较小了，故不用must应用might,典题剖析,Eg： - _the news be true? - No, it _ be true. A. Can, cant B. May, c
4、ant C. May, may not D. Must, mustnt,析： 选A。因为前半句是疑问句，后半句为否定句，两空都不能使用may/might 和must，应而用can和cant。,典题剖析,16,1. The man _be my English teacher. He has gone to Canada. A. might B. must C. cant D. mustnt,2. -Excuse me, whose book is this? -It _be Johns. It has his name on it. A. must B. need C. cant D. may
5、,针对性训练,(二)熟悉情态动词委婉用法： could, would, 等情态动词均有委婉用法，它们不是过去式而是表示语气委婉、客气、礼貌，常用于疑问句，并多用于习惯表达。 如：could you please? would you mind? would you like to.?,Eg：- Could I borrow your dictionary? - Yes, of course you_. A. could B. will C. can D. should,析：选C。该句用can的委婉表达式could 来征求对方意见，但回答时必须还成can或may，因此该题不选A.,典题剖析,Eg
6、：_you mind my smoking here? A. Should B Could C. Might D. Would,析：选D。征求对方意见我是否能在这儿吸烟，语气理应委婉，所以应选委婉的表达方式would you mind来征求对方意见。,典题剖析,(三)弄清情态动词的异化现象,有些情态动词用于疑问句进行回答时，出现了异化现象，此时回答在某个角度不能继续使用该情态动词， 而改用别的动词。,(1) May. . . . . . ? Yes, . . . may. No, . . . mustnt/cant. (2) Must . . . . . . ? Yes, . . .must.
7、 No, . . . neednt/dont have to. May I smoke here? 我可以在这儿吸烟吗？ No, you mustnt. 不，你不准。 Must I go now? 我必须现在走吗？ No, you neednt. 不，你没必要。,【温馨提示】,Eg：- Must I start at once? - No, you_. A. neednt B. mustnt C. cant D. wont,析：选A 由语境可知该答句表示“不必”，而mustnt表示“不准、禁止”，不符合语境，显然应使用neednt表示“不必”，但肯定句回答继续用must。,重难点难解析,Eg：
8、 - Need I hand in my exercise book at once? - Yes, you_. A. must B. need C. can D. will,析：选A。根据规定need用于一般疑问句作肯定回答应换成must, 而作否定回答时，使用need的否定式neednt。,重难点难解析,(四)掌握征求意见情态动词的回答,不少情态动词可用于疑问句征求对方意见，但人称上有时有特殊要求，请看下表：,Eg - _I tell John about it? - No, you neednt. I have told him already. A. Shall B. Will C.
9、Can D. May,析：选A。从回答句“No, you neednt”的语境可知，问句征求对方意见，表示“需要”而且用语第一人称，要使用shall。,典题剖析,Eg： _ you please help me with my English? A. Would B. Do C. Shall D. Can,析：A。此句表示征求对方意见，有“愿意 ”之意，而且又用于第二人称，应选用would。,典题剖析,28,【2013河南】 1. Dad, must we wait until the light becomes green? Yes, Im afraid we_ Thats the traf
10、fic rule. A. can B. may C. have to D. need,29,【2013河北】 2._I see your ID card, sir? We have to check your information. A. May B. Must C. Should D. Need,30,3.Finish your homework first, then youll _ watch TV for an hour. A. can B. be able to C. able D. could 【2013 甘 肃】,31,Amy, I hear youve got many fo
11、reign coins. _ I have a look? Of course, Ill fetch them for you. A. May B. Must C. Should D. Need 【2013广东梅州】,32,5. Where are you going this month? We_ go to Xiamen, but were not sure. A. neednt B. must C. might D. mustnt 【2013天津】,Summary,1.掌握情态动词的定义,4.掌握常用情态动的用法,2.常用的情态动词有哪些？,3.掌握情态动词的语法特征,(一)、注意情态动
12、词的推测用法,(二)、熟悉情态动词委婉用法,(三)、弄清情态动词的异化现象,(四)、掌握征求意见情态动词的回答,综合训练,36,1.May I go out for a while, Mom? No, you . You have to finish your homework first. A. shouldnt B. neednt C. mustnt D. wont,Students in our school _know shouting is not allowed in the library. A. can B. may C. must D. need,37,3. _ I have
13、 lunch now, Mom? No. You must wash your hands first. A. Would B. May C. Ought to,38,4. Have you decided where to go for your summer vacation? Not yet. We _go to Qingdao Its a good place for vacation. A. may B. need C. must,39,5. Can I borrow your ruler? Yes，you _. But you must return it to me before
14、 lunchtime. A. have B. can C. must D. used to,40,6. Can I park my car in front of the building? No, you _. A. wont B. cant C. neednt D. couldnt,41,7. Shall I take my swimming suit? No, you . We will just go hiking in the mountain. A. mustnt B. couldnt C. neednt D. cant,42,8. Must I return the book this week? No, you_. You can _it for 20 days. A. mustnt, keep B. neednt, borrow C. neednt, keep,43,9. Excuse me, whose book is this? -It _be Johns. It has his name on it. A. must B. need C. cant,44,10. _I swim here? No, you _.
