高中英语必修4unit4语法V-ing作状语讲解名师优质课获奖市赛课一等奖课件

Unit4ThePresentParticipleasAdverbial（现在分词做状语）第1页

Ⅰ.RevisionofIng’sfunction:1.Thesleepingboyisdisturbed.2.Isawtheboycheatingintheexam.3.Seeingisbelieving.4.Myjobisteaching.5.Theyfocusonkeepingtheirsoilrichandfreeofdisease.AttributeObjectivecomplementSubjectPredicativeObject第2页Ⅱ.课文中出现Ing句子，分析其所做成份。Isawseveralyoungpeopleenterthewaitingarealookingaroundcuriously

Istoodforaminutewatchingthemandwenttogreetthem.3.Shesteppedbackappearingsurprised…4.ThenAkiraNagatafromJapancameinsmiling,togetherwith…5.WhenDarleneCoulonfromFrancecamedashingthroughthedoor.状语描述动词=副词第3页1.Assoonastheyheardthebell,they

rushedoutoftheroom.=Hearing

thebell,

theyrushedoutof….2.Ashewasrathersleepy,hedidn’thearthebell.Beingrathersleepy,hedidn’t

hearthebell.was-be-being3.Ashedidn’thearthebell,hedidn’t

rushedoutoftheclassroom.Nothearingthebell,hedidn’t

rushedoutoftheclassroom.动词-ing形式能够作状语,否定式：Not+doing/being

第4页

Ⅲ.ThePresentParticipleasAdverbial1)表方式、伴随情况地状语：Theywentintotheclassroomlaughingandtalking.(theywentintotheclassroom,andlaughedandtalked.)Hesatonthesofa,watchingTV.(=Hesatonthesofa,andwatchedTV.)与谓语所表示动作（或状态）同时发生，或是对谓语表示动词（或状态）作深入地补充说明。第5页Walkinginthestreet,Icameacrossanoldfriendofmine.(=WhenIwaswalkinginthestreet,Icameacrossanoldfriendofmine.)Havingfinishedhishomework,hebegantoplaycomputergames.(=Afterhehadfinishedhishomework,hebegantoplaycomputergames.)2）表时间状语第6页3)表原因状语

Beingill,hedidn’tgotoschool.(=Because/Ashewasill,hedidn’tgotoschool.)Beingastudent,youshouldstudyhard.(=Sinceyouareastudent,youshouldstudyhard.)第7页4)表条件Workinghard,youwilldowellintheexam.Ifyouworkhard,youwilldowellintheexam.5)表结果Unfortunatelythefatherdied,leavingthefamilyevenworseoff.Unfortunatelythefatherdiedandleftthefamilyevenworseoff.第8页注意：现在分词与不定式都可作结果状语，试比较：Theircarwascaughtinatraffic,causingthedelay.Hehurriedtothepostofficeonlytofinditwasclosed.

现在分词作结果状语，表示自然结果，不定式作状语，表示出乎意料结果。第9页

试判断以下状语:1.Tomlefthomequiteearly,hopinghecouldcatchthefirstbus.

...,andhoped…

2.Notknowingwhattodo,weaskedMr.Smithforsomeadvice.

Becausewedidn’tknow…3.Arrivingatthestation,hefoundthetrainhadleft.

Whenhearrivedat…

（伴随/方式）（原因）（时间）第10页Ⅳ.现在分词作状语其形式改变现在分词作状语要注意它各种形式改变:主动形式被动形式

V-ingbeingV-edhavingV-edhavingbeenV-ed

普通式完成式第11页

Afterhehadcomeoutofprison,hecouldn’tliveinpeace.

Havingcomeoutofprison,hecouldn’tliveinpeace.假如要强调动词-ing动作(comeoutofprison)发生在谓语动词(live)之前，惯用-ing完成式。doing-havingdone

第12页

Aswehadn’tfinishedtheexperiment,weplannedtocarryitonlater.

Nothavingfinishedtheexperiment,weplannedtocarryitonlater.

Nothavingdone/been第13页1.WhilewatchingTV,____________.A.thedoorbellrang.

B.weheardthedoorbellring.B.2.____fromthetopofthemountain,the

cityismorebeautiful.A.SeeingB.SeenB.用-ing作状语，ing逻辑主语与句子主语必须保持一致。3.Hearingthenews,____.

A.tearscametohereyesB.SheburstintotearsB.第14页试判断以下句子正误:WhilewatchingTV,Iheardthebellrang.WhilewatchingTV,thebellrang.TWhileIwaswatchingTV,Iheardthebellrang.FWhileIwaswatchingTV,thebellrang.第15页注意：现在分词与过去分词都可作状语，怎样区分？试比较：Seeingfromthemountain,wefindthecityisSmall.Seenfromthemountain,thecityissmall.现在分词与过去分词做状语，主要看句子主语与分词关系。假如是主动关系，用现在分词，假如是动宾关系，用过去分词。第16页Ⅴ.

独立主格结构动词ing形式逻辑主语和主句主语不一致怎么办？

Ifweather

permits,we’llhaveanoutingnextweek.

Weather

permitting,we’llhaveanoutingnextweek.(表条件)

独立主格结构：名词/代词+非谓语非谓语形式只与在它前面名词或代词相关第17页Ⅵ.独立成份：有些现在分词作状语，在句中没有逻辑上主语而独立存在，用来修饰主句，表明说话者态度、观点等，被称为评论性状语或悬垂分词。常见分词短语有：generally(frankly,honestly…)speaking,supposing(假设),judgingfrom(从…判断),talkingof（谈到),speakingof(谈到)，considering(考虑到……,鉴于……)等。第18页1.Generallyspeaking,girlsaremorecarefulthanboys.2.Supposing

youlose,whatwillyoudo?3.Judgingfromhisaccent,hemustbefromthenorth.4.Talkingoftravel,haveyoueverbeentoBeijing?第19页归纳总结：动词ing形式作状语：相当于对应状语从句动词-ing形式逻辑主语与句子主语必须一致动词-ing形式与句子主语之间构词主动关系第20页1.Hegotuplateandhurriedtohisoffice,_________thebreakfastuntouched.

left

B.toleave C.leaving D.havingleft2.Thesecretaryworkedlateintothenight,

_____alongspeechforthepresident.toprepare

B.preparingC.

prepared

D.waspreparing【模拟练习】第21页3.Thetrainerappeared,_______bysixlittledogs.4.______moreencouragement,theboycouldhavebehavedbetter.

A.GivenB.GivingC.Give

D.havinggiven

A.tofollowedB.followingC.followedD.havingfollowed第22页5.Pressedfromhisparents,and______thathehaswastedtoomuchtime,theboyisdeterminedtostopplayingvideogames.realizing

B.realizedC.torealize

D.beingrealized6.

toworkove