第09練動(dòng)詞不定式考點(diǎn)一：不定式的構(gòu)成1.不定式的構(gòu)成（1）構(gòu)成：_______（動(dòng)詞原形）（2）否定形式：_______（動(dòng)詞原形）2.不定式特點(diǎn)（1）不定式?jīng)]有_______的變化（2）動(dòng)詞不定式仍保留動(dòng)詞特點(diǎn)，可以有自己的賓語和狀語。如：tobuy

anewpen,togowithme,toseeme等?？键c(diǎn)二：不定式的用法（一）作主語不定式作主語時(shí)，謂語動(dòng)詞一般用_______，有時(shí)為了使句子平衡，常把不定式后置，而用代詞it作形式主語代替它的位置。如：Toeatbreakfastisimportant.=It’sveryimportanttoeatbreakfast.吃早餐非常重要。常用的句型有：句型例句Itbe+形容詞+forsb+todo(這里的形容詞用表示_______的形容詞）Itisdifficultforustoimproveourselves.提高自己對(duì)我們來說很難。Itbe+形容詞+ofsb+todo(這里的形容詞用表示_______的形容詞）It’skindofyoutopickmeup.你能來接我，你真好Ittakessb+sometime+todo某人花費(fèi)時(shí)間做某事Ittakesmetwoyearstolearnaforeignlanguage.我花了兩年時(shí)間學(xué)習(xí)一門外語。It+be+名詞+todoItisourdutytobekindtotheold.（二）作賓語動(dòng)詞不定式（短語）可以放在一些動(dòng)詞后面做_______，如：Ipromisetokeepthesecrettomyself我成功諾保守秘密（三）作賓語補(bǔ)足語：賓語補(bǔ)足語：補(bǔ)充說明_______要做什么常用句型：（1）tellsb.（not）todosth.常見的后面接動(dòng)詞不定式作賓語補(bǔ)足語的動(dòng)詞，還可用tell,want,ask,learn,decide,advise,invite,teach,expect,choose，warn,order等動(dòng)詞。如：例句：Theteachertoldthestudent_______hislessonsregularly.老師告訴學(xué)生要定期復(fù)習(xí)他的課程。。（2）有些動(dòng)詞后接不定式時(shí)通常省略to：feel,hear,listento,lookat,see,watch,notice,let,make,have（簡(jiǎn)記為四看三讓兩聽一感覺）。▲注意：上述動(dòng)詞變?yōu)楸粍?dòng)語態(tài)后，其后的不定式必須補(bǔ)上“to”。Thesadmoviemadehercry.=Shewasmade_______bythesadmovie,這部悲傷的電影讓她哭了。（四）作狀語：不定式作狀語，表示目的、程度或結(jié)果（1）不定式作狀語表示目的時(shí)可放在句首或句尾。Toimproveyourself,youmuststudyhardeveryday.=Youmuststudyhardeverydaytoimproveyourself.為了學(xué)好英語，你必須每天努力學(xué)習(xí)。（表_______）（2）當(dāng)用作程度、結(jié)果狀語從句時(shí)常與副詞enough或too連用。①“too+adj.+todosth.”表示“太...以至于不能...”Hermotherwastooexcitedtosayanything.她的母親太興奮了，什么也說不出來。（表_______）②“adj.+enoughtodosth.”表示“足夠...去做...”Thegirlisnotoldenoughtodressherself.這個(gè)女孩不夠大不能給自己穿衣服（表_______）一、選擇題1．（2023春·貴州貴陽·八年級(jí)?？计谥校〩owtimeflies!Weshouldshowloveforourparentsandmakethem________howmuchtheymeantous.A．know B．knowing C．knew2．（2022春·湖南株洲·八年級(jí)統(tǒng)考期中）Peter’smothergetsupearly________breakfastforhimeverymorning.A．tomake B．making C．make3．（2023秋·貴州畢節(jié)·八年級(jí)校考階段練習(xí)）MissLiutaughtme________theviolinandthepiano,butIdon’tlikeplayingthem.A．play B．playing C．toplay D．played4．（2023秋·貴州畢節(jié)·八年級(jí)?？茧A段練習(xí)）It’shardforafive-year-oldboy________somanywords.A．remember B．toremember C．remembered D．remembering5．（2023秋·貴州銅仁·八年級(jí)統(tǒng)考期末）Yesterday,Mr.Chenmadethestudents________toomuchhomework.Itmadethemvery________.A．do;tired B．todo;tiring C．doing;tiring D．doing;tired6．（2023春·貴州銅仁·八年級(jí)統(tǒng)考期中）Boysandgirls,Ihavesomegoodnews________you.A．telling B．tells C．told D．totell7．（2023秋·貴州黔東南·八年級(jí)統(tǒng)考期末）—Hello,MrGreen.Couldyoupleasetellme________touseTencentConference(騰訊會(huì)議)?—Sure.Letmeshowyou.A．where B．why C．how D．what8．（2023春·山東菏澤·八年級(jí)?？茧A段練習(xí)）Mr.Greentoldus________toomuchtime________TV.A．don’ttake;watch B．nottotake;watchC．nottospend;watching D．don’ttospend;watching9．（2023春·江蘇揚(yáng)州·八年級(jí)校考階段練習(xí)）Whenthedancersstopped________tous,weallcouldn’tstop________excitedly.A．smiling;toshout B．tosmile,shoutingC．tosmile,toshout D．tosmiling;shouting10．（2023春·江蘇宿遷·八年級(jí)?？茧A段練習(xí)）MrBrownwastoobusy_______ontheproject_______thisquestion.A．towork,toanswer B．towork,answeringC．working,answering D．working,toanswer11．（2022春·廣東東莞·八年級(jí)校考期中）OurEnglishteacheralwaysteachesus________ourhomeworkbyourselves.A．howtodo B．whattodo C．howdoing D．whatdoing12．（2022春·廣東東莞·八年級(jí)?？计谥校㊣tiskind________you________mefindoutthetruth.A．for;tohelp B．of;helping C．of;tohelp D．for;helping13．（2022春·廣東東莞·八年級(jí)?？计谥校㎎ackoffers________whensomeoneisintrouble.A．help B．helps C．helping D．tohelp14．（2022春·河北廊坊·八年級(jí)?？计谥校〥ick________inAmerica,buthe________Chinesefoodnow.A．usedtolive;isusedtoeating B．usedtolive;usedtoeatC．isusedtoliving;usedtoeat D．isusedtoliving;isusedtoeating15．（2022春·山東濟(jì)南·八年級(jí)校考期中）Asawriter,hehadtotryeverymeans________bookstoread.A．finding B．tofind C．finds D．found16．（2022春·山東濟(jì)南·八年級(jí)?？计谥校〥on’twastetime!It’snever________late________review(復(fù)習(xí))whatyoulearnedlastmonth.A．too;too B．so;that C．too;to D．very;to17．（2022春·廣西玉林·八年級(jí)統(tǒng)考期中）—Amy,I’mnotgoodatbasketball.WhatshouldIdo?—Whynot________abasketballclub________playingbasketball?A．join；practising B．join；topractise C．join；practise D．tojoin；topractise18．（2022春·河北邯鄲·八年級(jí)?？计谥校㎝yteacheraskedme________myclasstotakepartinthejumpropeevent.A．represent B．represented C．torepresent D．representing二、完形填空（2023春·江蘇揚(yáng)州·八年級(jí)?？茧A段練習(xí)）閱讀下列短文，從文后各題所給的四個(gè)選項(xiàng)中選出一個(gè)最佳答案。CellPhoneMadnessWhenIopenedtheboxatmy12thbirthdayparty,Icouldn’tbelievemyeyes.Ihadreallygottenacellphone!AssoonasIgottomy____19____thenextmorningIshowedoffmyphoneandaskedeveryonefortheir____20____.ItfeltlikeIdidn’tevenexistinthatclassanymore.Iwouldn’tpaymuchattentiontotheteachersbecauseIwastoobusyonmy____21____.LuckilyIdidn’tgetcaughtusingit.Iwaspretty____22____thattheteacherdidnoticethatIstoppedpayingattentiontoher,____23____aweeklaterwetookatestandIfailed.Tomakematters____24____,mymomhadtosignthetest.Itwashardtoshowmymomthe____25____.ShewasusedtoseeingA’sandB’sonmytests.Well,eventually,Ishowedherandshecouldn’t____26____it.Shewasangrybutmostofall,shewasdisappointed.Weekspassedandmyparentsstartedto____27____thefactthatIhadaphone.Theywouldsay,“Wehavenoticedthatyouneverpayattentiontous.It’slikeyouhaveyourownlittle____28____nowandwedon’tcommunicateasmuchwithyourphone.”ThenIstartedtowonderifitwastruethatIwasspendingtoomuch____29____onthephonethoughIstillactedliketheywerewrong.AweeklaterItried____30____awholedaywithoutacellphoneanditdidn’tgothatbadly.Ihadsomuch____31____becauseIwasactuallyspendingtimewithmyfamilyandpayingattentiontothem.Fromthatday,Ihadadifferentpointofviewtowardscellphones.Phonesreallytakeyouawayfromtherestoftheworld.I’mnotsayingthatphonesare____32____andnottousethem,butyoudohavetosparesometimetospendwithyourfamilyandnotget____33____withyourphoneallday.Myphonetookawaytimefrommyhomeworkandfrommyfamily.Italsoaffectedmygrades.Iwillkeepusingmyphone,butIwillhaveitunderbettercontrol.19．A．office B．school C．store D．home20．A．number B．name C．help D．a(chǎn)ddress21．A．job B．test C．phone D．desk22．A．proud B．doubtful C．sure D．a(chǎn)ngry23．A．until B．before C．though D．because24．A．clearer B．easier C．worse D．better25．A．box B．book C．homework D．paper26．A．believe B．receive C．see D．a(chǎn)chieve27．A．notice B．dislike C．a(chǎn)ccept D．enjoy28．A．secret B．idea C．world D．dream29．A．time B．force C．money D．control30．A．sleeping B．working C．going D．thinking31．A．trouble B．worry C．fun D．improvement32．A．good B．bad C．necessary D．useful33．A．interested B．pleased C．a(chǎn)nnoyed D．Stuck語法填空（2022·全國·八年級(jí)假期作業(yè)）閱讀下面短文，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。Theideaoflivingunderwaterisoften____34____(bring)upasapossiblefutureforhumanbeings.Itseemstobeagreatway____35____(avoid)overpopulationortosurvivewhenaterribledisasterhits.Butwhatisitliketoliveunderthewaves?Inthe1960s,JacquesCousteau’steambuiltthe____36____(world)firstunderwaterlab.ItwascalledConshelfI.Twomenlivedinsideforaweek.In1963,ConshelfIIwassetupoffthecoastofSudan.Thistime,thescientistsspent30daysunderwater.Sincethen,there____37____(be)manyotherunderwaterlabs.Aquariusis____38____onlyonestillrunningtoday.Itislocated20metres____39____

(above)sealevelinFlorida.Marine（海洋的）scient