高考英语情态动词考点精讲课件

情态动词高考实用英语语法

SunXiaofeng情态动词高考实用英语语法1高中英语语法专题复习情态动词情态动词概述常用情态动词表示推测用法情态动词+havedone情态动词特殊用法高考情态动词高中英语语法专题复习情态动词情态动词概述2知识详解目录常用情态动词知识详解目录常用情态动词3can和beableto目录（1）表“能力”、“许可”、“可能性”。can可代替may表许可（2）could表过去有能力/或可能;疑问句表委婉地提出问题（3）can和beableto,can有能力不强调结果;beableto有更多形式,

“凭借努力”达到结果

1.Shecan’tsing，otherwise,Iwouldinvitehertotheparty

.2.Youcangonow.

1.AtthattimeIthoughtthestorycouldnotbetrue.

2.Thefirespreadthroughthehotelbuteveryonewasabletogetout.

例句：can和beableto目录（1）表“能力”、“许可4目录（1）表允许或征询对方许可（问句）“可以”,否定用maynot（可能不），不许可用mustn‘t（绝不能）（2）表可能性“或许”、“可能”;might语气更不肯定

may和mightYoumaytakethebookhome.-MayIwatchTVaftersupper?-Yes,youmay.（-No,youmustn't./youmaynot./you’dbetternot.

）Hemaycometoday(tomorrow).例句：目录（1）表允许或征询对方许可（问句）“可以”,否定用ma5目录（1）must强制

“必须”,否定mustn’t“绝不”。对“must”的询问,用needn’t/don’thaveto答.对may询问否定回答用mustn’t（2）must推测“一定”,只用肯定,否定为can’t（不可能）（3）must和haveto:must表说话人主观看法,haveto“不得不,必须”，表客观条件只能如此。haveto比must有更多形式（4）must表与说话人的愿望相反，意思是“偏要”、“偏偏”

must和havetoIdon’tliketheTVset.Imustbuyanewone.TheTVsetisbroken.Ihavetobuyanewone.Youmustbehungryafterthelongwalk.Tom，youmustn’tleaveallyourclothesonthefloorlikethis!-MustIgonow?-Yes,youmust.（No,youneedn’t/youdon’thaveto.）例句：MayItakethisbookoutofthereadingroom?No,youmustn’t.Youreaditinhere.Ihavetoldyouthetruth.MustIkeeprepeatingit?John，lookatthetime.Mustyouplaythepianoatsuchalatehour?

目录（1）must强制“必须”,否定mustn’t“绝6目录（1）will“意志”、“意愿”;习惯动作，“总是”;疑问句,二人称，向对方请求（2）would说话人的意愿或向对方请求，比will婉转;过去习惯动作（3）would和usedto“过去常常…”

,usedto“现在不…”will和would

例句：Iwilltellyouallaboutit.Willyoupleasegivehimamessagewhenyouseehim?Whenyoung,hewouldgooutforatriponSundays.Whenyoung,heusedtogooutforatrip.目录（1）will“意志”、“意愿”;习惯动作，“总是7

shall和should目录（1）shall一、三人称疑问句,说话人征求对方意见/请求（2）shall二、三人称说话人给对方命令、警告、允诺（3）shall三人称在条约、规章、法令等文件中表义务或规定例句：1.Shallhecomeatonce?2.Shallwestartthemeetingnow?1.Youshallfailifyoudon'tworkharder.（警告）

2.HeshallhavethebookwhenIfinishreading.（允诺）

3.Heshallbepunished.（威胁）1.Whoeverdrivesthroughredlightshallbefinedatleast200dollars2.Accordingtothelaw,alltheillegalincomeshallbetakenawayshall和should目录（1）shall一、三人8

shall和should目录（1）should表示“劝告”、“建议”时，可译作“应该”

（2）should表惊奇，欣喜，“竟然”、“居然”1.Youshouldkeepyourpromise.2.Idon'tbelievethatthelittlegirlshouldspeak2differentlanguages例句：shall和should目录（1）should表示“9目录（1）need“需要”,用在否定或疑问句中（2）dare“敢”,用于否定、疑问和条件从句中.（3）need和dare行为动词，变化与一般动词相同，Idaresay…作插入语,我想,大概,可能,或许need和dare-Needyougonow?-Yes,Imust/No,Ineedn’t.

HowdareyousayI’munfair?Shedarenotdoso.Shedoesn’tneedtogo.（Sheneedn’tgo.）Idon’tdaretogo.（Idarenotgo.）例句：目录（1）need“需要”,用在否定或疑问句中need和10知识详解目录表示推测的情态动词表示推测的用法知识详解目录表示推测的情态动词表示推测的用法11目录表示“肯定推测”的情态动词-Hi,Tom.AnyideawhereJaneis?-Shemustbeintheclassroom.Isawhertherejustnow.Thetrafficisheavythisday,Imightarriveabitlate,socouldyousavemeaplace?

例句：“肯定,一定”“很可能，应该”must

shouldmay(might)“也许，可能”目录表示“肯定推测”的情态动词-Hi,Tom.Anyi12目录表示“否定推测”的情态动词I’mafraidMr.Hardingcan’tseeyounow.He’sbusy.Hemaynotbeabletohelpbutthere’snoharminaskinghim.

例句：can’tmay/mightnot“不可能”“可能不，也许不”目录表示“否定推测”的情态动词I’mafraidMr.13目录can或couldMyMP4playerisn’tinmybag.WherecanIhaveputit?

–Whohasbrokenthewindowinmyroom?–Whoelsecouldhavedoneitbutyournaughtyson!例句：表示“疑问推测”的情态动词目录can或couldMyMP4playerisn’t14知识详解目录情态动词+havedone知识详解目录情态动词+havedone15表示对过去情况的推测目录Sincethegroundiswhite,itmusthavesnowedlastnight.Mr.Smithcan'thavegonetoBeijing,forIsawhiminthelibraryjustnow.Theymayhavemissedtheplane,orperhapstheyhavebeenpreventedfromcomingforsomereason.Iknowshewasin,butshedidn’topenthedoor.Shemaynothaveheardthebell.-Whereismydictionary?IrememberIputithereyesterday.-Youmighthaveputitinthewrongplace.例句：must/can’t

havedonemay/mighthavedone“当时一定/不可能…”“当时可能…”表示对过去情况的推测目录Sincethegroundi16用于虚拟语气表示本…目录might/can/couldhavedone本可能…实际没/本能够…Need/needn’thavedone有必要做而没做shouldhavedone本应该…结果没1.-Didyouvisitthefamousmuseum?-No.Wemusthavevisitedit,butwespenttoomuchtimeshopping.2.Butfortheirhelp，wecouldnothavefinishedtheprogramintime．1.Hecouldhavepassedtheexam,buthewastoocareless.2.Hemighthavegivenyoumorehelp,eventhoughhewasbusy.1.Weshouldn’thavewaited

forherbecauseshenevercame.2.Theplantisdead.Ishouldhavegivenitmorewater.Youneedn’thavespentanymoneyonthesoftware.Itwasavailableforfree.2.Heneedhavehurriedtothestation.Inthatcase,hewouldn'thavemissedthetrain.例句：用于虚拟语气表示本…目录might/can/could17知识详解目录情态动词的特殊用法知识详解目录情态动词的特殊用法18知识详解目录注意对need问句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.

youmustyouneedn’t/youdon’thaveto知识详解目录注意对need问句的回答:youmustyou19知识详解目录needn’t对其它情态动词的回答:--Shall/mayItellJohnaboutit?--No,you__________.--Mustwedoitnow?--No,you__________.needn’t/don’thavetoneedn’t/don’thaveto知识详解目录needn’t对其它情态动词的回答:needn20巩固性练习巩固性练习21巩固性练习目录1.Whenwintercomes，

springbefarbehind?A.must B.should C.will D.can巩固性练习目录1.Whenwintercomes， s22巩固性练习目录2.—Ihavetakensomeoneelse’sT-shirtbymistake.IsitJane’s?—It

behers.Sheseldomwearsred.A.won’t B.can’t C.needn’t D.mustn’t巩固性练习目录2.—Ihavetakensomeone23巩固性练习目录3.—Amanisaskingtoseeyou.

hecomein?—Lethimin.A.Must B.Shall C.Will D.Dare巩固性练习目录3.—Amanisaskingtos24巩固性练习目录4.Althoughhewasbadlyhurt，he

explainwhathadhappened.A.could B.might C.wasableto D.couldnot巩固性练习目录4.Althoughhewasbadly25巩固性练习目录5.—Jim!Didyouhaveagoodtimeattheparty?—Yes，butIreally

have，becauseIhadlotsofworktodo.A.needn’t B.mustn’t C.shouldn’t D.couldn’t巩固性练习目录5.—Jim!Didyouhavea26巩固性练习目录6.You

paytoomuchattentiontoyourreadingskill，foritisveryimportant.A.won’t B.needn’t C.cannot D.mustn’t巩固性练习目录6.You paytoomuchat27巩固性练习目录7.Buteveryone

observetherulesoftheroad，Madam.

Ireadthemtoyou?A.must;May B.will;Can C.shall;Shall D.can;Will巩固性练习目录7.Buteveryone observ28巩固性练习目录8.—Mary’sscoreonthetestisthehighestinherclass.—Really?She

havestudiedveryhard.A．may B．oughttoC．must D．should巩固性练习目录8.—Mary’sscoreonthe29跟踪训练巩固性练习目录9.WhenIlivedwithmyroommatesintheuniversity,we

oftentalkintothenight.A．might B．couldC．should D．would跟踪训练巩固性练习目录9.WhenIlivedwit30跟踪训练巩固性练习目录10.I’mcaughtinthetrafficjamnowI____arrivelate,socouldyouwaitformeabitlonger?A.must B.needC.may D.can跟踪训练巩固性练习目录10.I’mcaughtin31WestLakeThankyou!WestLakeThankyou!32情态动词高考实用英语语法

SunXiaofeng情态动词高考实用英语语法33高中英语语法专题复习情态动词情态动词概述常用情态动词表示推测用法情态动词+havedone情态动词特殊用法高考情态动词高中英语语法专题复习情态动词情态动词概述34知识详解目录常用情态动词知识详解目录常用情态动词35can和beableto目录（1）表“能力”、“许可”、“可能性”。can可代替may表许可（2）could表过去有能力/或可能;疑问句表委婉地提出问题（3）can和beableto,can有能力不强调结果;beableto有更多形式,

“凭借努力”达到结果

1.Shecan’tsing，otherwise,Iwouldinvitehertotheparty

.2.Youcangonow.

1.AtthattimeIthoughtthestorycouldnotbetrue.

2.Thefirespreadthroughthehotelbuteveryonewasabletogetout.

例句：can和beableto目录（1）表“能力”、“许可36目录（1）表允许或征询对方许可（问句）“可以”,否定用maynot（可能不），不许可用mustn‘t（绝不能）（2）表可能性“或许”、“可能”;might语气更不肯定

may和mightYoumaytakethebookhome.-MayIwatchTVaftersupper?-Yes,youmay.（-No,youmustn't./youmaynot./you’dbetternot.

）Hemaycometoday(tomorrow).例句：目录（1）表允许或征询对方许可（问句）“可以”,否定用ma37目录（1）must强制

“必须”,否定mustn’t“绝不”。对“must”的询问,用needn’t/don’thaveto答.对may询问否定回答用mustn’t（2）must推测“一定”,只用肯定,否定为can’t（不可能）（3）must和haveto:must表说话人主观看法,haveto“不得不,必须”，表客观条件只能如此。haveto比must有更多形式（4）must表与说话人的愿望相反，意思是“偏要”、“偏偏”

must和havetoIdon’tliketheTVset.Imustbuyanewone.TheTVsetisbroken.Ihavetobuyanewone.Youmustbehungryafterthelongwalk.Tom，youmustn’tleaveallyourclothesonthefloorlikethis!-MustIgonow?-Yes,youmust.（No,youneedn’t/youdon’thaveto.）例句：MayItakethisbookoutofthereadingroom?No,youmustn’t.Youreaditinhere.Ihavetoldyouthetruth.MustIkeeprepeatingit?John，lookatthetime.Mustyouplaythepianoatsuchalatehour?

目录（1）must强制“必须”,否定mustn’t“绝38目录（1）will“意志”、“意愿”;习惯动作，“总是”;疑问句,二人称，向对方请求（2）would说话人的意愿或向对方请求，比will婉转;过去习惯动作（3）would和usedto“过去常常…”

,usedto“现在不…”will和would

例句：Iwilltellyouallaboutit.Willyoupleasegivehimamessagewhenyouseehim?Whenyoung,hewouldgooutforatriponSundays.Whenyoung,heusedtogooutforatrip.目录（1）will“意志”、“意愿”;习惯动作，“总是39

shall和should目录（1）shall一、三人称疑问句,说话人征求对方意见/请求（2）shall二、三人称说话人给对方命令、警告、允诺（3）shall三人称在条约、规章、法令等文件中表义务或规定例句：1.Shallhecomeatonce?2.Shallwestartthemeetingnow?1.Youshallfailifyoudon'tworkharder.（警告）

2.HeshallhavethebookwhenIfinishreading.（允诺）

3.Heshallbepunished.（威胁）1.Whoeverdrivesthroughredlightshallbefinedatleast200dollars2.Accordingtothelaw,alltheillegalincomeshallbetakenawayshall和should目录（1）shall一、三人40

shall和should目录（1）should表示“劝告”、“建议”时，可译作“应该”

（2）should表惊奇，欣喜，“竟然”、“居然”1.Youshouldkeepyourpromise.2.Idon'tbelievethatthelittlegirlshouldspeak2differentlanguages例句：shall和should目录（1）should表示“41目录（1）need“需要”,用在否定或疑问句中（2）dare“敢”,用于否定、疑问和条件从句中.（3）need和dare行为动词，变化与一般动词相同，Idaresay…作插入语,我想,大概,可能,或许need和dare-Needyougonow?-Yes,Imust/No,Ineedn’t.

HowdareyousayI’munfair?Shedarenotdoso.Shedoesn’tneedtogo.（Sheneedn’tgo.）Idon’tdaretogo.（Idarenotgo.）例句：目录（1）need“需要”,用在否定或疑问句中need和42知识详解目录表示推测的情态动词表示推测的用法知识详解目录表示推测的情态动词表示推测的用法43目录表示“肯定推测”的情态动词-Hi,Tom.AnyideawhereJaneis?-Shemustbeintheclassroom.Isawhertherejustnow.Thetrafficisheavythisday,Imightarriveabitlate,socouldyousavemeaplace?

例句：“肯定,一定”“很可能，应该”must

shouldmay(might)“也许，可能”目录表示“肯定推测”的情态动词-Hi,Tom.Anyi44目录表示“否定推测”的情态动词I’mafraidMr.Hardingcan’tseeyounow.He’sbusy.Hemaynotbeabletohelpbutthere’snoharminaskinghim.

例句：can’tmay/mightnot“不可能”“可能不，也许不”目录表示“否定推测”的情态动词I’mafraidMr.45目录can或couldMyMP4playerisn’tinmybag.WherecanIhaveputit?

–Whohasbrokenthewindowinmyroom?–Whoelsecouldhavedoneitbutyournaughtyson!例句：表示“疑问推测”的情态动词目录can或couldMyMP4playerisn’t46知识详解目录情态动词+havedone知识详解目录情态动词+havedone47表示对过去情况的推测目录Sincethegroundiswhite,itmusthavesnowedlastnight.Mr.Smithcan'thavegonetoBeijing,forIsawhiminthelibraryjustnow.Theymayhavemissedtheplane,orperhapstheyhavebeenpreventedfromcomingforsomereason.Iknowshewasin,butshedidn’topenthedoor.Shemaynothaveheardthebell.-Whereismydictionary?IrememberIputithereyesterday.-Youmighthaveputitinthewrongplace.例句：must/can’t

havedonemay/mighthavedone“当时一定/不可能…”“当时可能…”表示对过去情况的推测目录Sincethegroundi48用于虚拟语气表示本…目录might/can/couldhavedone本可能…实际没/本能够…Need/needn’thavedone有必要做而没做shouldhavedone本应该…结果没1.-Didyouvisitthefamousmuseum?-No.Wemusthavevisitedit,butwespenttoomuchtimeshopping.2.Butfortheirhelp，wecouldnothavefinishedtheprogramintime．1.Hecouldhavepassedtheexam,buthewastoocareless.2.Hemighthavegivenyoumorehelp,eventhoughhewasbusy.1.Weshouldn’thavewaited

forherbecauseshenevercame.2.Theplantisdead.Ishouldhavegivenitmorewater.Youneedn’thavespentanymoneyonthesoftware.Itwasavailableforfree.2.Heneedhavehurriedtothestation.Inthatcase,hewouldn'thavemissedthetrain.例句：用于虚拟语气表示本…目录might/can/could49知识详解目录情态动词的特殊用法知识详解目录情态动词的特殊用法50知识详解目录注意对need问句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.

youmustyouneedn’t/youdon’thaveto知识详解目录注意对need问句的回答:youmustyou51知识详解目录needn’t对其它情态动词的回答:--Shall/mayItellJohnaboutit?--No,you__________.--Mustwedoitnow?--No,you__________.needn’t/don’thavetoneedn’t/don’thaveto知识详解目录needn’t对其它情态动词的回答:needn52巩固性练习巩固性练习53巩固性练习目录1.Whenwintercomes，

springbefarbehind?A.must B.should C.will D.can巩固性练习目录1.Whenwintercomes， s54巩固性练习目录2.—Ihavetakensomeoneelse’sT-shirtbymistake.IsitJane’s?—It

behers.Sheseldomwearsred.A.won’t B.can’t C.nee