Unit1ArtPeriod2Learningaboutlanguage课件高中英语人教版选择性

Period2LearningAboutLanguageTheinfinitiveoftheverbasthepredicativeUnit1Art1.EnabletheStudentstomastertheusageoftheinfinitiveoftheverbasthepredicative.2.EnabletheStudentstousetherelevantgrammarflexibly

andauthenticallyintherealsituation.LearningAims观察课文例句，总结todosth.的用法。1.PerhapsthebestwaytounderstandWesternartistolookatthedevelopmentofWesternpaintingoverthecenturies.2.DuringtheMiddleAges,thepurposeofWesternartwastoteachpeopleaboutChristianity.3.Inthiswork,Monet'saimwastoconveythelightandmovementinthescene.动词不定式在句子中作表语。Leadin基本构成定义Todosth

不定式相当于名词、形容词、副词。充当主语、宾语、定语、表语、宾语补足语、状语。动词不定式(短语)作表语的用法 1.主语是以aim,suggestion,duty,hope,idea,intention,plan,purpose,theway等为中心的名词词组时,或者以what引导的名词性分句表示,一般用动词不定式作表语说明主语的内容。Ourplanistomakebetteruseofthesematerials.我们的计划是更好地利用这些材料。(2024·九省联考)Herjobwastomake

surethetankswerefreeofanyitemssothatthetrainerscouldtrainthedolphinstofetchspecificitems.她的工作是确保水箱里没有任何物品，这样驯兽师就可以训练海豚获取特定的物品。(2023·全国甲卷)Andtheonlywayforustogetintothehabitofwaitingisto

practice.

我们要养成等待的习惯,唯一的方法就是练习。2.表示目的。Thenextstepistomakesurethatyouknowexactlywhatisrequired.下一步你要真正弄清楚需要的是什么。3.表示事态发展的结果、预期的结果及预言。Youmustspeakout，ifwearetoremainfriends.如果我们还想做朋友，你必须说出来。Webelievemanistoliveabetterlifeinthefuture.我们相信人类将来会过上更好的生活。4.用于被动语态,相当于can/could,should,oughtto,must,具有情态意义。Theregulationsaretobeobserved.(must)这些规定必须遵守。Youaretoberewarded.(should)你会得到奖赏的。

5.表示“同意、安排、命令、决定、劝告、愿望、意愿、禁止”等。Theyaretomarrynextweek.他们将于下周结婚。(安排)Youmustbepatientandpersistentifyouaretosucceed.如果你想成功，你必须有耐心和毅力。(愿望)You

aretohaveaface-to-facetalkwiththem.你要和他们面对面地谈谈。(劝告)Childrenarenottosmoke.儿童不允许吸烟。（禁止）6.动词不定式(短语)作表语时,可用主动形式表示被动意义。

Whoistoblameforthefire?这场火灾该怪谁？Thehouseistolet.这个房子出租。

动词不定式(短语)作表语省略to的情况

动词不定式(短语)作表语时，一般情况下不定式符号to不能省略,但在以下几种情况下可省略不定式符号to:1.all作主句主语,其后的定语从句中含有实义动词do的某种形式时。Allweneedtodoisliveeachdaywithhope.我们要做的就是带着希望度过每一天。2.what引导的从句作主语,从句中含有实义动词do的某种形式时。

WhatIwanttodoistakeaholidayrightaway.我想马上去度假。3.(主句)主语被only,first,one,least或形容词最高级修饰,且其后作定语的从句或短语中含有实义动词do的某种形式时。Intheeveningtheonlythinghedidwasreadthenewspaper.晚上他做的唯一一件事就是看报纸。动词不定式(短语)作表语和v-ing(短语)作表语的区别1.动词不定式(短语)和v-ing(短语)作表语时,要注意与句子的主语在形式上保持一致。Toseeistobelieve.=Seeingisbelieving.眼见为实。2.动词不定式(短语)和v-ing(短语)作表语时可换用,但以下情况除外:(1)当动词所表达的是某一特定的行为,尤其是将来的行为或有待于实现的行为时,通常用动词不定式(短语)作表语。Herbestwishistoputhernewideasintopractice.她最大的愿望是把她的新想法付诸实践。(2)若动词所表达的并不强调动作,而是表示主语的内容，则通常用v-ing(短语)作表语。Myfavoritesportisswimming.我最喜欢的运动是游泳。WhatIhatemostisbeinglaughedat.我最讨厌被人嘲笑。【名师点津】动词不定式作表语的两种特殊用法（1）不定式短语tolet，toblame，toseek等常用主动形式表示被动含义。Whoistoblame

forthepopulationdecline

ofthetigersinthatarea?谁该为那个地区老虎数量的减少负责?Thereasonforglobalwarmingisnotfartoseek.全球变暖的原因不难找到。（2）当主语部分含有动词do的某种形式时，作表语的不定式可省略to。Anythingwecandoisguarantee

itwillbedeliveredontime.我们能做的就是保证准时交货。Intheeveningtheonlythinghedidwasread

ontheblog.到了晚上，他做的唯一一件事就是在博客上阅读。后接不定式作表语的常见动词连系动词：be,seem,appear,remain,get,prove,grow等，用来表达将来的动作或者表明主语的内容。Auseofthecomputernetworkistosende-mails.计算机网络的一个用途是发送电子邮件。Marydoesn’tseemtoliketheidea.玛丽似乎不喜欢这个主意。1.WhenIwas13,myonlypurposewas_____________(become)thestaronourfootballteam.2.Thesebooks_________________(sell);it'sbettertodonatethemtoaschool.3.It'ssaidthatthey_____________(attend)animportantacademicconferencenextweek.

4.Don'tworry.Whatyouneedtodo_____________(have)agoodsleep.5.ThefirstthingIdoeverymorning______________(take)exercise.tobecomearenottobesoldaretoattendis(to)haveis(to)takeExercise

Ⅰ单句语法填空6.Themostmeaningfulthinghewantstodo_______________(help)thepoor.7.(2024·九省联考)Theirfirstchoiceis____________(take)flight.8.WhatIsuggest____________(start)workatonce.9.Oneofherhobbies____________(collect)stamps.10.Ithinkitisyourbrotherwho___________(blame)fortheaccident.is(to)helptotakeis

tostartiscollectingis

toblameⅡ完成句子1.Theyoungsinger’sintentionofperformingthesongwas____________________________________________2.Thebestwaytodobusinessis____________________________________________3.Whatthesurvivorsattemptedtodowas_____________________________________________tosharehisloveforrockmusicwithhisfans.（和他的歌迷们分享他对摇滚音乐的热爱。）tobuildtrustbetweenyouandyourclient.（建立你和客户之间的信任。）（建造一座纪念碑纪念那些拯救了他们生命的英雄们。）tobuildamemorialtotheheroeswhosavetheirlives.Ⅲ运用不定式自由造句子1.Mybiggestambitionis_________________________________.2.IthinkallIhavetodois_________________.3.Mylatestplanisto__________________________.4.Ithinkoneofmybiggestchallengemightbe________________________________.5.Iguess