Unit3SeaExplorationLearningAboutLanguage动词不定式课件高中英语人教版选择性

复习动词不定式ReviewtheInfinitiveLeadin01Leadin

Ihavenothingtosayonthisquestion.Hewasthelastpersontobeaskedtospeak.Whentheteachercamein,thestudentspretendedtobereading.I’mverysorrytohavekeptyouwaiting.Theroomseemstohavebeentidiedupalready.ZhangMingaskedmenottostayathomeallday.基本形式02一般式：主动式todo被动式：tobedone进行式:主动式：tobedoing被动式：无完成式：

主动式：tohavedone被动式：tohavebeendone完成进行式:

主动式：tohavebeendoing被动式：无否定式：not/nevertodo总结动词不定式（todo）的基本形式句法功能03动词不定式的句法功能作主语作表语作宾语作定语作补语【主补；宾补】作状语动词不定式作主语时，一般表示具体的某次动作，作主语时，位语动词用第三人称单数；Eg:Toseeistobelieve.疑问词+todo;Eg:Wheretogohasnotbeendecided.It作形式主语：Itis+adj(difficult/important…)+forsb./sthtodosth.Itis+adj(careless/clever/kind…)+ofsb./sthtodosth.Itis+a/an(apity/ashame/anhonor...)+todo...Ittakes(sb)sometime/courage/patience...todo...Itseems/appearstodosth.似乎…1、作主语表示目的、计划、梦想、责任、建议等词作主语时，用不定式作主语;(aim,idea,policy,problem,question,suggestion,wish,task,purpose,dream,ambition,duty,step,plan,hope,intention等)；系动词+todo;[be,seem(看起来),appear(看起来),prove(证明),turnout(证明是，结果是)]表示想法，约定，义务，命令，安排等；Eg:Childrenarenottosmoke.What引导的主语从句（前面有do后无to.）Eg:Whatsheonlywantedtodointhefutureisbecomeatecher.疑问词+todo.Eg:WhatamItodoifIhavenomoneyTodo表被动。Eg:tobeblame(受责备)2、作表语

3、作宾语及物动词+宾语；(want想要；mean打算;intend意欲;desire渴望;attempt企图;wish希望;hope希望expect期待;long盼望;like喜欢;love喜爱;offer提供;decide决定;choose选择;help帮助;learn学习;ask要求;try设法;refuse拒绝;promise答应;agree同意;plan计划afford承担起;determine决定;forget忘记;remember记得)It作形式宾语，todo为真正的宾语；结构为:谓语动词(find,think,keep,believe,consider,make,feel)+it+形容词/名词+不定式。介词but,except,besides与todo搭配；dosthbut/except/besides+todosth;but/except/besides+todosth.Eg:Whatdoyouliketodobesidesswim特殊：Stop/remember/forget/regret/meantodosth(未作某事)；Stop/remember/forget/regret/meandoingsth(做过某事)。动宾关系（表示将来）；【tosay;todo;toworkwith.】Eg:

havealotofworktodo;haveatraintocatch.用在序数词、形容词最高级、thelast/only+n/代词的后面；【thefirst/second/last/best/only+todosth.】解释说明表示抽象意义的名词。【time,way,right,chance,reason,effort,ambition,movement,ability,chance,idea,hope,wish,fact,

place,decision,opportunity,attempt,effort等】4、作定语5.作状语目的状语so/suchasto位于句中；inorderto位于句首/句中;to

do;原因状语【excited,sorry,glad,pleased,ashamed,shocked,angry,delighted,glad,happy+todosth.】;结果状语onlytodo;enoughtodo;too…todo;so/such…asto…5.作补语（宾补/主补）(1)宾语补足语：带to的不定式：ask,beg,cause,encourage,expect,callon,dependon,allow,order,permit,tell,want,wish,forbit,advise,ask,want,wish,order,tell,persuade,allow,warn,encourage,cause,force,require,relyon+sb.(not)todosth不带to的不定式（变被动语态时加to）一感：feel;二听：hear,listento;三让：make,let,have;五看：see,watch,observe,notice,lookat半帮助:help.Tobe结构：think/consider/believe/feel/find.(2)主语补足语Sbbesaid/believed/knowntodosth.Make

a

Summary04Summarize动词不定式的基本形式：一般式：主动式todo

被动式：tobedone进行式:

主动式：tobedoing

被动式：无完成式：

主动式：tohavedone

被动式：tohavebeendone完成进行式:

主动式：tohavebeendoing

被动式：无否定式：not/nevertodo动词不定式的句法功能：作主语作表语作宾语作定语作补语【主补；

宾补】6.作状语【目的状语；

原因Practice05以历年高考真题&模拟题为例Practice

1、[2020·天津二考]Thisnewstartgavemeanopportunity ____(redefine)myselfanddiscoveranentirelynewversionof“cool”.2、[2020·浙江二考]Byabout6000BC,peoplehaddiscoveredthebestcrops____(grow)andanimalstoraise.3、[2021·新高考全国I卷|Hisjobis____(sit)besidethepianistandturnthepagesofthescoresothemusiciandoesn’thavetobreaktheflowofsoundbydoingitthemselves.4、[2020·浙江二考]Sometimeafter10,000BC,peoplemadethefirstrealattempt____(control)the worldtheylivedin,throughagriculture.Practice5、[2021·浙江二考]Mary’ssister,FrancesToddWallace,oftencameover____(plant)flowersinthefrontyard.6、[2020·新高考全国I卷]Herhusbandworkedtwojobs____(cover)thebills,andher68-year-oldmotherhelpedtakecareofthechildrenattimes.7、[2019·全国I卷]Whenhebringshisspeechtoaniceconclusion,Whaleyinvitestherestoftheclass___(praise)him.8、[2019·全国I卷]Itisdif