高考二轮复习-情态动词课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,情态动词,情态动词,1,高考二轮复习-情态动词课件,2,1.常用情态动词的用法比较,1)在表示“可能性”方面,must,can,should,may,might 都可以 用于表示“可能性”。,a.must 表示以事实为依据而进行的逻辑上的推理，它所指的动作或状态发生的可能性最大。,1.常用情态动词的用法比较,3,b.can 和should 表示以事实、理由为依据而进行猜测，它们所指的动作有发生的可能性，但语气没有must 那么肯定。其中，should 的主观性较强。,c.may 和might 语气较弱，表示说话人根据自己的主观判断而进行的猜测。其中，might 的语气更弱一些。,b.can 和should 表示以事实、理由为依据而进行猜,4,2)在表示“允诺”方面,can,may,might 都可以表示“允诺”，其中might最为客气、委婉。,如：,You,can,watch TV for as long as you like.,May,I use your phone please?,Might,I possibly borrow your umbrella please?,2)在表示“允诺”方面,5,3)在表示“应该”方面,must,ought to,should 都能用来表示“出于某种职责、义务而应该”的意思。must的语气最强烈，ought to居中，而should是表达这方面意思的普通词。,如：,You,must,cut down on smoking.,You,ought to,visit your parents more often.,You,should,try that new restaurant.,3)在表示“应该”方面,6,2.情态动词的特殊用法,1)shall 用于第一人称表示坚强的信念和决心；用于第二、三人称，表示许诺、命令或规定等。,如:,We,shall,not fail.,If you really want a dog,you,shall,have one.,She,shall,not stay under my roof.,Candidates,shall,remain in their seats until all the papers have been collected.,2.情态动词的特殊用法,7,2)should表示惊讶等感情,意为“竟然”。,如：,Its odd you,should,mention Ben!I was just thinking about him.,3)must 表示说话人的不满，意为“偏要,硬要”。,如：,Eric,must,come and worry me with questions,just when I am busy cooking the dinner.,If you,must,smoke,please go outside.,2)should表示惊讶等感情,意为“竟然”。,8,4)may 表示祝愿;may as well 用来提出建议,意为“还是的好”;may well 用来表示可能性，意为“很可能”。,如：,May,you be happy!,You,may,as well tell us now.Well find out sooner or later.,His appearance has changed so much that you,may,well not recognize him.,4)may 表示祝愿;may as well 用来提出建,9,3.“情态动词+have done”结构,1)could/might/should/ought to/need have done意为“本来能/可能/应该/需要做，但实际上未做”。,如：,He,could have escaped,but he chose to stand and fight.,It was an easy test and he,should have passed,but he didnt.,3.“情态动词+have done”结构,10,2)“情态动词+have done”还可用来表示推测过去可能发生的事情。,如：,Did you say anything that,might have upset,her?,2)“情态动词+have done”还可用来表示推测过去,11,高考二轮复习-情态动词课件,12,1.Samuel,the tallest boy in our class,_(can /should)easily reach the books on the top shelf.（北京2017）,2.My room is a mess,but I _(neednt /mustnt)clean it before I go out tonight.I can do it in the morning.,（天津2017）,选用括号内合适的内容填空。,neednt,can,1.Samuel,the tallest boy in,13,3.I love the weekend,because I _(neednt,mustnt)get up early on Saturdays and Sundays.(北京2016),4.It was really annoying;I _(couldnt,shouldnt)get access to the data bank you had recommended.,(天津2016),neednt,couldnt,needntcouldnt,14,5.George _(mustnt,cant)have gone too far.His coffee is still warm.,(浙江2016),6.I _(neednt,couldnt)have worried before I came to the new school,for my classmates here are very friendly to me.(天津2015),neednt,cant,5.George _(mustnt,c,15,7.Cant you stay a little longer?,Its getting late.I really _(can,must)go now.My daughter is home alone.(北京2015),8.Life is unpredictable;even the poorest _(shall,might)become the richest.(江西2014),must,might,7.Cant you stay a little lo,16,高考二轮复习-情态动词课件,17,I.选用括号内合适的内容填空。,1.I expected my friend to call me after work last night,but he didnt.I suppose he _(need be/must have been)too tired.,2.Please check these figures again.Theyre not accurate.You _(might/cant)have been concentrating when you added them up.,must have been,cant,I.选用括号内合适的内容填空。must have been,18,3.We _(could cook/could have cooked)in our holiday flat,but we preferred to eat out.,4.You _(must be/must have been)thirsty after playing tennis all afternoon.Shall I get you a drink?,5.You _(neednt/shouldnt)have gone to the bus station;you can book tickets online.,could have cooked,must be,neednt,3.We _(could,19,6.Jim:What are we having for Sunday dinner?,Tessa:It _(may/need)be chicken.Mum often does chicken on Sundays.,7.Emma:Do you think Cindy told the boss I left work early yesterday?,Neil:Shes away this week,so she _(mustnt/cant)have told him.,may,cant,6.Jim:What are we having for,20,II.选用括号内合适的内容补全下面短文。,A,When people first meet me they think I 1._(might be/can be)a teacher or a hairdresser.When Im not wearing my uniform,they never believe that Im a policewoman.When I tell people what I do,the typical reaction is,“You 2._(dont have to be/cant be)a policewoman;,might be,cant be,II.选用括号内合适的内容补全下面短文。might bec,21,youre too small!”Im only 5 feet 4 inches tall.People always think that policewomen 3._(should be /may be)big and manly.Often people only believe me when I show them my police identity card.,should be,youre too small!”Im only 5,22,B,Im Sam Roddick,daughter of Anita Roddick(the millionaire founder of Body Shop).When I introduce myself to people and say my name they often say,“Oh,you 1._(must be/ought to be)the Body Shop womans daughter.”Later they 2._(mustnt/cant)remember my,must be,cant,B must becant,23,name.Im very proud of my mother but I 3._(would/must)never say,“My mums Anita Roddick.”I dont know if I am very different from the typical“rich kid”because I dont know any.My friends never mention my background or money and neither do I.,would,name.Im very proud of my mot,24,高考二轮复习-情态动词课件,25,