【課件】Unit+4Discovering+Useful+Structures+課件人教版（2019）必修第三冊

DiscoveringUsefulStructuresUnit04SpaceExploration新人教必修三DiscoveringUsefulStructuresInfinitivesastheattributeandtheadverbialIMPORTAINTPOINTPart1Self-studyLookingupatthestars,peoplehavealwayswantedtolearnmoreaboutspace,andscientistsworkhardtofindanswers.On12April1962,YuriGagarinbecamethefirstpersonintheworldtogointospace.Theymakevehiclestocarry

bravepeopleintospace

tofindout

thesecretsoftheuniverse.

objectadverbialattributeLookatthefollowingsentencesandfindoutthefunctionsoftheitalicizedinfinitives.Myambitionis

toworkforafirmthatdevelopscomputersoftwarewhenIgrowup.Todoexerciseisbeneficialtoourhealth.I’llleavehim

tosolvetheproblembyhimself.

adverbialpredicativesubjectobjectcomplementLookatthefollowingsentencesandfindoutthefunctionsoftheitalicizedinfinitives.Chinabecamethe

thirdcountryintheworldtoindependentlysend

humansintospacein2003.Sheimmediatelybecamethefirstwoman

evertobehiredasaresidentphysicianintheOB-GYNdepartmentofthePUMCHospital.Heisalways

thefirsttoarriveattheschoolandthelasttoleave

theschool.名詞前有first,last,next,only等詞以及最高級修飾時,其后要用動詞不定式作定語infinitivesasadverbial4.However,somescientistsweredeterminedtohelphumansrealizetheirdream

toexplorespace.5.Thesedisastersmadeeveryonesadanddisappointed,butthedesiretoexplore

theuniverseneverdied.6.Theabilitytoexpressanideaisasimportantastheideaitself.7.Wemusthavethecouragetoface

thechallenge.8.Incollege,therearesomanygoodchancestomeet

yourexpectations.抽象名詞attempt,ability,chance,desire,courage,wish,determination,decision,plan,promise,time,way等后面常用不定式作后置定語infinitivesasadverbial1.There’snothingtoworry

about.2.Ihavesomethingimportanttodealwith.不定代詞something,nothing等后面常用不定式作后置定語不定式與被修飾的詞有動賓關(guān)系，且句子中有該不定式的邏輯主語時，該不定式通常用主動形式表示被動意義；若不定式的動詞是不及物動詞，則須加上相應(yīng)的介詞。4.Heisanicepersontoworkwith.3.Ihavealotofworktodo.infinitivesasadverbialIMPORTAINTPOINTPart2Exercise(1)OurEnglishteacherhasmanyways_____________(make)herclassinteresting.(2)Hehasalotofwork___________(do)everyweekend.(3)Theyarelookingforaroom______________(live).(4)Ihavenochance__________(go)sightseeingwithsomuchworktodo.(5)Theairport____________________(complete)nextyearwillhelppromotetourisminthisarea.

tomaketodotoliveintogotobecompleted3.Youmustbeintelligentenoughtoget

arelatedcollegedegree.1.ChinahassentChang’e4toexplorethesurfaceofthefarsideofthemoontomakemeasurementsandobservations.2.Asweallknow,anastronautneedstobehealthyandcalminordertoworkinspace.不定式作目的狀語=inorderto/soasto(soasto不能放于句首)4.Thewholeprocessistoocomplicatedtoexplaininafewwords.不定式作結(jié)果狀語infinitivesasadverbial5.Hehurriedtotheschool,only

tofindthatitwasSunday.onlytodo表示出乎意料的結(jié)果6.Hewassurprised

toseeusinthestreetofLondon.8.Helaughedtohearthenews.不定式作原因狀語7.

Wewere

astonishedtofind

thetemplestillinitsoriginalcondition.infinitivesasadverbialHecame_____________(show)mehisnewsciencebook.Thedoctorsarebusydoingwhattheycan_____________(save)thedyingman.Theoldmanwastooangry_____________(say)aword.HehurriedtothestationtoseeTomoff,only__________(find)hehadalreadyleft.Wearedelighted___________(know)thatyou’regoingtovisitusnextmonth.toshowtosavetosaytofindtoknowinfinitivesasadverbialExercise:1.Themeetingtobeheldtomorrowisofgreatimportance.2.I’mverysorrytohavekeptyouwaitingforme.3.Thelittleboypretendedtobereadingthebookswhenhisteacherenteredtheclassroom.4.Heworkedhardinordernottofailintheexamagain.tobedone:不定式的被動形式tohavedone:表示動作發(fā)生在謂語動作之前tobedoing:表示動作正在進行nottodo:不定式的否定形式IMPORTAINTPOINTPart3PracticeSendingpeopletootherplanetsorevenbeyondthesolarsystemisnotaneasygoal_____________(achieve).

One

of

the

problemsisthatthetripwouldtakeaverylongtime.Forexample,____________(use)currenttechnology,itwouldtakeovertwoyears___________(get)totheclosestplanet,Mars,andback.Althoughlightisthefastestthing_____________(know)intheuniverse,itcouldtakemorethanfouryearstoreachtheneareststarsystem.toachieveusingtogetknownCompletethepassagewiththecorrectformsoftheverbsinbrackets.Willscientistsfigureoutaway_____________(store)sufficientfoodandwaterforthelongjourney?Isitpossibletotravelfasterthanlight?Nooneknowstheansweryet.However,spacescientistsnevergiveup.Theyareexperimentingwithgrowingcropsinspacesoas____________(help)astronautsgetenoughfoodonlongerjourneysthroughspace.tostoretohelpCompletethepassagewiththecorrectformsoftheverbsinbrackets.1.In2003,YuriMalenchenkobecamethefirstpersonwhogotmarriedinspace.

=In2003,YuriMalenchenkobecamethefirstperson

____________________________.2.Inspace,astronautscollectalldirtywatersothatitcanberecycledforlateruse.=Inspace,astronautscollectalldirtywater__________________________________________________.togetmarriedinspaceto/inorderto/soastorecycleitforlateruseRewritethesentencesusinginfinitivesor“inorderto/soasto+do”.Changetheitalicizedpartsaccordingly.3.Mankindhasalwaysbeencuriousabouttheuniverseandmanypeoplehavedreamedthatonedaytheywouldflyintospace.

=Mankindhasalwaysbeencuriousabouttheuniverseandmanypeoplehave_______________________.dreamedtoflyintospaceRewritethesentencesusinginfinitivesor“inorderto/soasto+do”.Changetheitalicizedpartsaccordingly.4.Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeveryday,whichwillhelpthemstayhealthy.=Astronauts’bonesandmusclescangetveryweakinspaceduetothelackofgravity,sotheyneedtoexerciseeveryday__________________________________.to/inorderto/soastostayhealthyRewritethesentencesusinginfinitivesor“inorderto/soasto+do”.Changetheitaliciz