2023年中考英语语法专题之情态动词课件.pdf

情态动词Grammar n主讲人：语法作用用法细则CONTENTS02/数量1.1定义表达说话人的能力，情绪，态度或语第Ask our teachers because they always do what they can to improve our studies.1.2基础用01情志动词+动词原形I can swim.02无人称和教的变化（无三单）She can swim.q 9个（有现在和过去式）must;can/could;may/might;shall/should;will/would0 2（可以作情态动词和实义动词）need;dare0 3（短语结构）used to;ought to;had better用法细则3.1 mustYou mustnf t play football in the street.It7 s too dangerous.注意：must提问（肯定回答-must 否定回答-needn t,don t have to）-Must we hand in our exercise books today?-Yes,you must.No,you don t have to/you needn*t.1.肯定:must 必须（表义务），必要 You must come in time.2.mustnf tYou mustn7 t play football in the street.相关链接：must Vs.have to must：人的主观看法；没有词形变化 have to:强调客观需要；有词形变化I have finished my work,so I really must go now.I had to work when I was at your age.3.表推测含义用于肯定：must“一定，肯定”The cup of juice must be made by Eric.单项选择L All bags and suitcases go through safety check before they are一taken into the metro station.A、can B.may must D.could2、If you smoke,you could at least go to the smoking area.A、will B、shall C、can 3 must3、John,look at the time.you play the piano at such a late hour?Must B、Can C、May D、Need4.Dad,must we wait until the light becomes green?-Yes,I1 m afraid we.That s the traffic rule.A、can B.may have to D.need Sh3.2 can/could,一1.肯定能够”（表能力：体力，知识，技能）I can swim.注意：be able to 表示经过努力（有各种时点JI was able to swim to the bank after the boat turned over.1.肯定可以（表请求和许可）一-Can I go now?-Yes,you can./No,you can7 t.注意：委婉的表示请求别人允许自己做某事时常用Could I do sth.?（回答用现在灰,表肯定语完）C肯定回答用 Yes,you can/Yes,please.否定回答用 sorry,you can t/Y m afraid you can7 t/You d better not.-Could I come to see you tomorrow?-Yes,you can.（No,r m afraid not.）2.否定 不能够（表能力：体力，知识，技能）不可以（表请求和许可）“可能不（否定推测）I can t use the computer.You couldn7 t swim here.She can t be Mary becauseshe has gone to Africa.单项选择you swim?Yes,but r m not a good swimmer.Can2、B、May you play the violin?C.NeedD.Must-Yes,I can play it very well.A.Are/Can C、Could D.Will3、The fire spread through the hotel very quickly but everyone get out.A.had to B、would C、could was able to4、Look!It be Jack on the playground.-It be him,because I saw him enter the school library just now.A.must;mustnz t B、can;can t C、may;mustn7 t must;can7 t等 3.3 may/mightQ 1.表示请求和允许：might语气比may更委婉肯定回答用can;否定回答用can t/mustn7 t 不可以,禁止-May/Might I take this book out of the room?-Yes,you can.(Noz you can t/mustn t.)Q 2.表示祝愿:May+主语+动词原形 May you succeed!肯定推测：may might 可能 She may/might be very sad now.否定推测：may not“可能不”She may not be there today.can not“不可能 may not“可能不”A 单项选择.Bob,shall we go and meet our new classmate?Sorry.Y m busy now.But you ask David to go with you.He is free.A、need B、may C、would2、-I now,Mom?-No.It s too late,and you go to bed.A.May;have to B、Will;shouldD、Must;needC.Can;will3、you enjoy many years health and happiness.A、Wish B、Hope C、Expect 4、Good luck to you,and all your wishes come true.A.can C、mustD.mustDVayD.should5、May we leave the classroom now?-No,you.You to leave until the bell rings.A.mustn t;are allowedC.needn t;aren t allowedB、don t have to;are supposedD.can7 t;arenz t supposed单项选择6、What are you doing this Saturday?-r m not sure.But I go to the Rolling Stones concert.A、must B、would C、should D“Might7、Listen!Somebody is singing in the next room.Who it beMs it Zhang Jie?-No,it be her.She is at home now.may;can tNbn tB.must;mustn t C.will;may notD.may;8、Is David coming by bus?z-He should,but he.He likes driving his car.may not B.shall not C、mustn tD.needn t9、1 don t really like James.Why did you invite him?-Don t worry.He_come.He said he wasn t certain what his plans were.A.must not B.need not C.would not 5might3.4 shall/should01表示征求对方意见（用于第一,三人称作主语的疑问句中）Shall we open the door?1.shall02表示许诺，命令等语气（用于主语是第二，三人称的陈述句中）You shall drink the juice when you finish your homework.2.should1.征询意见：用于第一人称的一般疑问句Should I put some medicine on my head?002提出意见或建议You should drink lots of hot water.单项选择LI_A、couldthink it over later and let you know my idea.shallC.mightD.needed2、What s the name?-Khulaifi.夕 ShallI spell that for you?B、WouldC.CanD.Might3、-1 don t care what people think.-Well,youA、couldB、wouldshouldD.might4、A country has dreams.We teenagersalso have dreams.With dreams andhard work,anything amazing can be created.A、mayB、must5、A small piece of chicken is enough；or IA、don tB、shouldn7 tshouldhave room for the next course,shan t D.aren7 t3.5 will/would.二 j1.表示意愿表示意志,愿望和决心I won7 t go to the park with you.She said she would try her best to help me.2.表示请求表示请求，建议，would更委婉Will you come my party?Would you please open the window单项选择L-Write to me when you get home.A、I must B、I should2、John promised his doctor heA、might B、shouldwillD.I cannot smoke,and he has not smoked ever since.C.couldPwould3、Let him do what heA、shall B、hasill4.If Joe s wife won t go to the party,A.he will either neither will heC.he neither willD.mayD、either he will5、I go out today;Y II stay in and work.won7 t B、shouldn t C、don7 t6.Days later;my brother called to say he was all right,butA.mustn t B、shouldn t wouldn7 tD.mustn t say where he was.D.mightn t3.6 needoODD01作情态动词后接动词原形无人称和教的变化-Need I finish my homework today?-Yes,you must/have to.need nt._02作实义动词有人称和教的变化 结构：need sth./need to do sth.You don t need to finish your home workNo,youtoday.3.7 dared01情志动词，过去式dared,没有人称和教的变化She dare not say what she thinks.02实义动词,有人称和数的变化She dares to do what hewants to do.单项选择1.r ve ordered some pizza,so we worry about cooking when we get hometired.A、can tB、dare not5needrf tD.may not2、1 Tom for three days.Is he ill?-r m afraid so.The doctor said he needed,A.didn7 t see;operating B、haven7 t seen;an operationC.haven t seen;to be operatedD.hadnz t seen;operating on3.-What s the advantage of shopping online?I think buyers spend a lot of time going shops.A.shouldn tB、mustn7 tC.can tD、neednz t4.1 ask him because I think I be wrong.daren t;must B、dare;must C、dare;mustn1 tD.darenz t;mustn t没有人称和教的变化She used to play piano.used to do sth.过去常。做禁事 否定形式：usedn tto/didn t use toI usedn t to/didn t use to drink.单项选择L I keep dogs for protection,but now I keep them as pets.A、would rather B、had betterused toD.have to2.1 play the piano when I was a young boy.A.didnz t used to B.wasn t used didrf t use toD.wasn tuse to3.9 ought to01ought to 应该“上匕 should的语军略强02否定形式ought not toYou ought to start at once.The children ought not to play so close to the roadv3.10 had betterhad better do sth”最好去做票事否定结构：had better not doWe had better get there before it gets dark.Youd better not talk so loudly.单项选择L You look quite tired.You d better a good rest.A./top to have B.stop havingC.to stop to haveD.to stophavingL2.You leave right now.If s raining very hard outside.A.had better not to-B.had better not C.had not better D.didn t havebetter3.May I listen to music here,Mr.White?-Sorry,youd better it like that.A.not to donot doC.dont doD.not do to单项选择一综合1.-May I take this book out of the reading room?.Please read it here.A、Certainly B.No,you needn7 t2.-Must I stay here for hours?No,you mustn t-No,you_.You can leave any time.A.mustn7 t qneedrY t3.-What would you send to your sister as the Christmas gift?C.can t-1 haven t decided yet.IA、shallsend her a hand bag.C.Must4.-The lake is said to be dry.Is that true?-It.Look,some kids are swimming in it.A、must be true can7 t be true C、may not be true5.-Oil is everywhere in this store,so you know smoking is forbidden here.-F m sorry.A、canB、maymustThanksGrammar