Jerry情态动词用法大全Modal Verbs UsageWord文件下载.docx

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