Jerry情态动词用法大全Modal Verbs UsageWord文件下载.docx
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Jerry情态动词用法大全Modal Verbs UsageWord文件下载.docx
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Might
Must
Oughtto
Shall
Should
Will
Would
Forthepurposesofthistutorial,wehaveincludedsomeexpressionswhicharenotmodalverbsincludinghadbetter,haveto,andhavegotto.Theseexpressionsarecloselyrelatedtomodalsinmeaningandareofteninterchangedwiththem.
ModalForms
Modalverbscanbeusedinavarietyofdifferentforms.Studytheexamplesbelow.
ModalSimple
Icouldswimatthebeach.
ModalContinuous
Icouldbeswimmingatthebeachrightnow.
ModalPerfect
Icouldhaveswumatthebeachyesterday.
ModalPerfectContinuous
Icouldhavebeenswimmingatthebeachinsteadofworkingintheoffice.
PassiveModalSimple
Theroomshouldbecleanedonceaday.
PassiveModalContinuous
Theroomshouldbebeingcleanednow.
PassiveModalPerfect
Theroomshouldhavebeencleanedyesterday.
PassiveModalPerfectContinuous
Theroomshouldhavebeenbeingcleanedbutnobodywasthere.(Rareform)
EXERCISESANDRELATEDTOPICS
∙ModalExercise1can,could,haveto,must,mightandshould
∙ModalExercise2havetoandmust
∙ModalExercise3might,must,should,could,havetoandoughtto
∙ModalExercise4couldn'
tandmightnot
∙ModalExercise5havegotto,hadbetter,mayandshall
∙ModalExercise6could,might,shouldandwould
∙ModalExercise7modalverbforms
∙ModalVerbFinalTestcompletereview
1.Can
"
Can"
isoneofthemostcommonlyusedmodalverbsinEnglish.Itcanbeusedtoexpressabilityoropportunity,torequestorofferpermission,andtoshowpossibilityorimpossibility.
∙Icanrideahorse.ability
∙WecanstaywithmybrotherwhenweareinParis.opportunity
∙Shecannotstayoutafter10PM.permission
∙Canyouhandmethestapler?
request
∙Anychildcangrowuptobepresident.possibility
Using"
inPresent,Past,andFuture
Mostmodalverbsbehavequiteirregularlyinthepastandthefuture.Studythechartbelowtolearnhow"
can"
behavesindifferentcontexts.
ModalUse
PositiveForms
1.=Present
2.=Past
3.=Future
NegativeForms
Youcanalsouse:
can
generalability
1.IcanspeakChinese.
2.SHIFTTO"
COULD"
IcouldspeakChinesewhenIwasakid.
3.SHIFTTO"
BEABLETO"
IwillbeabletospeakChinesebythetimeIfinishmycourse.
1.Ican'
tspeakSwahili.
Icouldn'
Iwon'
tbeabletospeakSwahili.
beableto
abilityduringaspecificevent
1.Withaburstofadrenaline,peoplecanpickupcars.
Withasuddenburstofadrenaline,hewasabletoliftthecaroffthechild'
sleg.
Withasuddenburstofadrenaline,hewillbeabletoliftthecar.
1.Evenwithaburstofadrenaline,peoplecan'
tpickupsomethingthatheavy.
Eventheweightlifter,couldn'
tliftthecaroffthechild'
Eventhreemenworkingtogetherwon'
tbeabletoliftthecar.
opportunity
1.Ihavesomefreetime.Icanhelphernow.
Ihadsomefreetimeyesterday.Iwasabletohelpheratthattime.
3.I'
llhavesomefreetimetomorrow.Icanhelpherthen.
1.Idon'
thaveanytime.Ican'
thelpher
now.
Ididn'
thavetimeyesterday.Iwasn'
tabletohelpheratthattime.
3.Iwon'
thaveanytimelater.Ican'
thelpherthen.
permission
1.IcandriveSusan'
scarwhensheisoutoftown.
BEALLOWEDTO"
IwasallowedtodriveSusan'
scarwhileshewasoutoftownlastweek.
3.IcandriveSusan'
scarwhilesheisoutoftownnextweek.
tdriveSusan'
Iwasn'
tallowedtodriveSusan'
3.Ican'
may
request
CanIhaveaglassofwater?
Canyougivemealifttoschool?
Requestsusuallyrefertothenearfuture.
Can'
tIhaveaglassofwater?
tyougivemealifttoschool?
could,may
possibility,impossibility
Anyonecanbecomerichandfamousiftheyknowtherightpeople.
Learningalanguagecanbearealchallenge.
Thisuseisusuallyageneralizationorasupposition.
Itcan'
tcostmorethanadollarortwo.
Youcan'
tbe45!
Ithoughtyouwereabout18yearsold.
could
2.Could
Could"
isusedtoexpresspossibilityorpastabilityaswellastomakesuggestionsandrequests."
isalsocommonlyusedinconditionalsentencesastheconditionalformof"
can."
∙Extremeraincouldcausetherivertofloodthecity.possibility
∙Nancycouldskilikeaprobytheageof11.pastability
∙Youcouldseeamovieorgoouttodinner.suggestion
∙CouldIuseyourcomputertoemailmyboss?
request
∙WecouldgoonthetripifIdidn'
thavetoworkthisweekend.conditional
could"
possibility
1.Johncouldbetheonewhostolethemoney.
2.Johncouldhavebeentheonewhostolethemoney.
3.Johncouldgotojailforstealingthemoney.
1.Marycouldn'
tbetheonewhostolethemoney.
2.Marycouldn'
thavebeentheonewhostolethemoney.
3.Marycouldn'
tpossiblygotojailforthecrime.
might,
conditional
ofcan
1.IfIhadmoretime,Icouldtravelaroundtheworld.
2.IfIhadhadmoretime,Icouldhavetraveledaroundtheworld.
3.IfIhadmoretimethiswinter,Icouldtravelaroundtheworld.
1.EvenifIhadmoretime,Icouldn'
ttravelaroundtheworld.
2.EvenifIhadhadmoretime,Icouldn'
thavetraveledaroundtheworld.
3.EvenifIhadmoretimethiswinter,Icouldn'
suggestion
1.NOPRESENTFORM
2.YoucouldhavespentyourvacationinHawaii.
3.YoucouldspendyourvacationinHawaii.
NONEGATIVEFORMS
pastability
Icouldruntenmilesinmytwenties.
cannotbeusedinpositivesentencesinwhichyoudescribeamomentaryorone-timeability.
Yesterday,Icouldliftthecouchbymyself.NotCorrect
trunmorethanamileinmytwenties.
canbeusedinnegativesentencesinwhichyoudescribeamomentaryorone-timeability.
Yesterday,Icouldn'
tliftthecouchbymyself.Correct
politerequest
CouldIhavesomethingtodrink?
CouldIborrowyourstapler?
Couldn'
thecomewithus?
tyouhelpmewiththisforjustasecond?
can,
may,
might
REMEMBER:
"
Couldnot"
vs."
Mightnot"
suggeststhatitisimpossibleforsomethingtohappen."
suggestsyoudonotknowifsomethinghappens.Examples:
∙Jackmightnothavethekey.Maybehedoesnothavethekey.
∙Jackcouldnothavethekey.Itisimpossiblethathehasthekey.
3.HadBetter
Hadbetter"
ismostcommonlyusedtomakerecommendations.Itcanalsobeusedtoexpressdesperatehopeaswellaswarnpeople.Examples:
∙Youhadbettertakeyourumbrellawithyoutoday.recommendation
∙Thatbushadbettergetheresoon!
desperatehope
∙Youhadbetterwatchthewayyoutalktomeinthefuture!
warning
HadBetter"
hadbetter"
Use
hadbetter
recommendation
1.SHIFTTO"
SHOULD"
OR"
OUGHTTO"
Peopleshouldunplugtoastersbeforetheycleanthem.
SHOULDHAVE"
OUGHTTOHAVE"
Youshouldhaveunpluggedthetoasterbeforeyoutriedtocleanit.
3.Youhadbetterunplugthetoasterbeforeyoutrytocleanit.
Peopleshouldn'
tcleantoasterswithoutunpluggingthemfirst.
Youshouldn'
thavecleanedthetoasterwithoutunpluggingitfirst.
3.Youhadbetternotcleanthetoasteruntilyouunplugit.
should,
oughtto
desperatehope,
warning
Themoviehadbetterendsoon.
Theyhadbetterbeherebeforewestartdinner.
Desperatehopesandwarningsusuallyrefertothenearfuture.
Theyhadbetternotbelate.
TheyhadbetternotforgetTom'
sbirthdaygift.
isoftensimplypr
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