動(dòng)詞不定式用法講解

動(dòng)詞不定式用法講解動(dòng)詞不定式用法講解動(dòng)詞不定式用法講解V:1.0精細(xì)整理，僅供參考動(dòng)詞不定式用法講解日期：20xx年X月動(dòng)詞不定式的用法講解一、動(dòng)詞不定式：構(gòu)成：to+動(dòng)詞原形（to只是不定式符號，沒有意義）動(dòng)詞不定式作主語較長時(shí)，常用it作形式主語，而將真正的主語放在句末。+is/was+形容詞+(forsb.)+動(dòng)詞不定式TolearnEnglishwellisuseful.=It’susefultolearnEnglishwell.學(xué)好英語是有用的。Toprotectenvironmentisimportantforus.=It’simportantforustoprotectenvironment.對于我們來說保護(hù)環(huán)境是很重要的。2.Itis/was+kind/good/nice/clever+ofsb.+動(dòng)詞不定式It’sverykindofyoutohelpme.你幫助我真是太好啦。It’sverycleverofyoutodolikethat.你那樣做真的太聰明啦。3.Ittakes(took,willtake)sb.sometimetodosomething.(做某事花費(fèi)某人…時(shí)間)isagoodideatodosth.作賓語1.常見的跟不定式作賓語的動(dòng)詞有：wanttodosth.decidetodosth.hopetodosth.plantodosth.offertodosth.agreetodosth.learntodosthtrytodosthprefertodosthpromisetodosth.needtodosth.expecttodosth.2.主語+find/think+it+形容詞+(forsb.)+todoIfinditeasytoreadEnglisheveryday.我發(fā)現(xiàn)每天讀英語和容易的。Hefeltithardtosleep.他覺得很難入睡。IthinkitveryinterestingtolearnEnglish.我認(rèn)為學(xué)英語很有趣。Wefounditimpossibletocrosstheriver.我們發(fā)現(xiàn)過河是不可能的。3.特殊疑問詞+動(dòng)詞不定式作賓語CanyoutellmehowtogettothepostofficeIdidn’tknowwhattodonext.動(dòng)詞不定式作賓語補(bǔ)足語：asksbtodosth.tellsbtodosth.invitesbtodosthwantsbtodosthwishsbtodosthordersbtodosthadvisesbtodosthallowsbtodosthwaitforsbtodosthThequestionisdifficulttoanswer.這個(gè)問題很難回答Theroomiscomfortabletolivein.這個(gè)房間住起來很舒服Heiseasytogetalongwith.他很容易相處I’mgladtoseeyouagain.很高興再次見到你Shetoldmetobuyaticket.她讓我去買張票2.要省去to.注意:賓語補(bǔ)足語：補(bǔ)充說明賓語的。賓語和賓補(bǔ)之間有邏輯的主謂關(guān)系。Hetoldmetoleaveatonce.Hemadethebabylaugh.跟省to的不定式的動(dòng)詞(感使動(dòng)詞)：一感feel二聽listento,hear三使make,let,have四看lookat,watch,see,notice五半幫助helpTheteachershelpedthestudents(to)learnEnglishwell.那些老師幫助學(xué)生學(xué)好英語。Heoftenhelpshismother(to)tidyuptheroom.他經(jīng)常幫助他媽媽整理房間。作表語，表示主語的“職業(yè)、職責(zé)或性質(zhì)”Herjobistocleanthehall.她的工作就是打掃大廳。Mydreamistobeateacher.我的夢想是當(dāng)一名教師。作定語動(dòng)詞不定式修飾名詞或代詞，起形容詞的作用，在句中作定語，特點(diǎn)：①.要放在被修飾的名詞或代詞之后。Ihavealotofbookstoread.Wouldyoulikesomethingtoeat作狀語Heworkeddayandnighttogetthemoney.（表目的）他日夜工作來賺錢。(too...to...,和...adj/advenoughtodosth)（表結(jié)果）Sheistooyoungtogotoschool.Sheisn'toldenoughtogotoschool.Theywereverysadtohearthenews.（表原因）聽到這個(gè)消息他們非常傷心。Thequestionissimpleforhimtoanswer.（表程度）這個(gè)問題對他來說太容易回答了。不定式的否定式是在不定式前加notTheytoldusnottoplaybasketballtoolong.Youhadbetternotgotobedlate.動(dòng)詞不定式練習(xí)came________(give)usatalkyesterday.isalwaysthelast______(come).promised________(attend)themeeting.wasluckyenough_______(find)aseat.Mingwastooexcited______(say)aword.bossmadethem__(work)thewholenight.jobis_____(look)aftertheanimalsinthezoo.dreamis_____(fly)tothemoononeday.’skind______you_______me.,helping,tohelp,helping,tohelp’shard_____(of,for)us_____(learn)Englishwell.tried______(notmake)anynoise.need_______(practise)speakingmoreEnglish.don’tknowhow______(use)thewashingmachine.youwanttogetsomething______(eat)isnomoreroom______(live)in.teacheroftentellsme______(listen)carefullyinclass.oftenseeMary_______(help)othersonherwayhome.teacherasksus_____(write)downthenewwords.Marydancesbestinourschool.---Iagree.I’llneverforget______herdanceforthefir