2024屆高考英語不定式的用法課件

動詞不定式的用法Grammar

動詞不定式是一種非限定性動詞,由to＋動詞原形構(gòu)成,但在有些情況下to可以省略。動詞不定式在句中可以作主語、賓語、表語、定語和狀語。Grammar--不定式

Grammar--不定式的用法Tofinishsomuchhomeworkinadayisimpossible.Toseeistobelieve.Mywishistobeadoctor.Iwanttodoitmyself.

Grammar--不定式的用法Wefounditdifficulttoworkwithhim.Healwayshasalotofmeetingstoattend.Heislookingforaroomtolivein.Istudyhardtoservethepeoplewell.Inordernottobelateshetookabus.Grammar--不定式作主語

常見帶形式主語it的句型：1.Itiseasy(difficult,important,possible,necessary,good,kind,wise,foolish…)todosth.2.Itisapleasure(pity,crime,anhonor…)todosth.3.Ittakes(sb.)sometimetodosth.Itisdifficulttounderstandhim.Itisapleasuretohelpyou.It'sagreathonortobeinvitedtoMary'sbirthdayparty.Ittakesmeanhourtocleantheroom.Grammar--不定式作主語Grammar--不定式作表語不定式作表語時一般緊跟在系動詞be,seem,remain,appear,get等后面，用來說明主語的內(nèi)容。常見的主語有：one’sdream,business,wish,idea,plan,job,work,task,duty,whatonewantstodo…Mywishistobeadoctor.Mychiefpurposeistopointoutthedifficultiesofthematter.

Grammar--不定式作賓語1.常見的不定式作賓語的及物動詞有：want,hope,wish,agree,promise,decide,determine,fail,manage,offer,prepare,pretend,choose,expect,refuseIliketokeepeverythingtidy.WhenIheardthewords,Ididn’tknowwhethertolaughortocry.IwanttospeaktoTom.Grammar--不定式作賓語2.feel,find,judge,make,think,believe,consider+it+adj./n.+todosth.Hethoughtitagreatpitynottohaveinvitedher.Shemadeitaruletoget

upatfive.Grammar--不定式作賓語補足語Theteachertoldusnottobesonoisyintheclass.Iexpectyoutogivemesomehelpintheexperiment.Fatherwillnotallowustoplayonthestreet.

Webelievehimtobeguilty.Grammar--不定式作賓語補足語一些動詞后作賓補的不定式不帶to.一感：feel+sb+dosth.二聽:hear,listento三看:see,watch,lookat,observe,notice四使役:let,make,haveSuddenlywefelttheatmospheregrowtense.Whatmadehimdothatagainandagain?Grammar--不定式作定語Ineedapen

towritewith.Inthedarkroom,heevenhadnobed

tosleepon.Ineedsomeone

totype

thelettersforme.Thebuilding

tobebuilt

isalab.Grammar--不定式作定語所修飾的名詞前有thefirst/last/next,theonly,thebest,themost等序數(shù)詞或最高級等修飾語時,用不定式作定語.不定式修飾something,anything,nothing.ThenexttraintoarriveisfromWashington.

Iwantsomethingtoread.It’syourturntospeaknow.It’stimetogotoschool.Grammar--不定式作狀語Heisluckytogethereontime.Becarefulnottocatchacold.Theystartedearlysoastocatchthefirstbus.Ihurriedtogetthereonlytofindhimout.Theypartednevertoseeeachother.Hestudiedhardonlytofail.Grammar--不定式的省略為了避免重復(fù)，作賓語的不定式第二次出現(xiàn)時往往省略，只保留不定式符號。在want,wish,hope,like,hate,plan,try,love

等詞后.Youcantryitagainifyouwantto.--Haveyoulistenedtothemusic?--No,butIplanto.Theenemycandonothingbut__________.Theenemyhadnothingtochoosebut____________.Ihavenothingtodoexcept_____thearticleforhim.Ihavenothingtochooseexcept_______thearticleforhim.

surrendertosurrender當(dāng)介詞but,except前面有實義動詞do時,不定式在介詞之后可以省去to。Grammar--不定式的省略copytocopyGrammar--不定式的用法PracticeTheteacheraskedusnot_____(make)somuchnoise.Withalotofdifficultproblems____(settle),thenewly-electedpresidentishavingahardtime.Sandycoulddonothingbut___(admit)tohisteachert