Unit2MoralsandVirtuesDiscoveringUsefulStructures课件高中英语人教版

Unit2MoralsandVirtues

Discoveringusefulstructures不定式

todo过去分词

v-ed动名词v-ing现在分词v-ing非谓语(妃子)1234动词v-ing动词-ing1.Climbingmountainsishishobby.

主语2.Bobalwaysenjoysplayingbasketball.宾语3.HishabitisplayingArenaOfValor.表语观察下面v-ing部分在句中所作的成分

动名词在句子中一般做主宾表5.Lookingdownatherphone

asshewalked,shehitthedoor.

4.Thegirl

doingthelivebroadcastiscalledXiaotuantuan.6.Theheadteachersawyouplayingwithsmartphoneintheclassroom.宾语补足语定语状语现在分词在句子中一般做定状补Thev-ingform:动名词现在分词V-ing

形式主语宾语表语状语定语宾语补语现在分词状语定语宾语补语前置定语（n.前）用doing正在下落的叶子fallingleaves一个唱歌的女孩asinginggirl一个睡觉的学生asleepingstudent后置定语（n.后）用doing的短语定语是‘的’，修饰限定名词Thegirlssingingtherearemyclassmates.Theboysittingovertherelikessinging.AhousefacingthesouthiswhatIwant.现在分词状语定语宾语补语‘省略’的原则重复※不产生歧义步骤：①去掉重复的主语

②谓语→非谓语do/does/did→doingbe+doing→doingbe+done→donev+p→p情+do→todo1.Whenhesawthosepictures,hecouldn’thelpthinkingofthosememorabledaysinhometown.2.Astheyweresopoorinthosedays,theycouldn’taffordtosendthechildrentoschool.2种改法3.Thereisabirdandthebirdissinginginthetree.4.Theyopenedfire,andtheykilledoneofourvillagers.5.Ifyouworkhard，you'llmakegreatprogress.6.AlthoughIknowitisdifficult,Idon’tgiveup.时间状语原因状语伴随状语结果状语（有先后顺序

通常有，）条件状语让步状语方式状语7.Pleaseanswerthequestionusinganotherway.运用公式改成非谓语现在分词状语定语宾语补语1.Wefoundatreelyingacrosstheroad.2.Isawhimwalkingintothebuilding.3.I’llhavethecarwaitingforyou.主语补足语被动1.Atreewasfoundlyingacrosstheroad.2.？现在分词短语做主语补足语with复合结构是宾语补足语?3.with复合结构：高频考点

With+n.(短语)+

1.现在分词doing(主动或正在进行)

2过去分词done（被动或已经完成）

3动词不定式todo（尚未发生，目的）

4名词/形容词/副词/介词短语

3.Festivalsarebecomingmoreandmorecommercial,withbusinessestakingadvantageofthecelebrations.(P5)节日正变得越来越商业化，企业利用庆祝活动。

Withthematter_______(settle解决/定居),

wewenthome.

Withalotofhomework

______

(do),Iwasn’tallowedtogoout.

Hediedwithhisdaughteranorphan.

Heusedtosleepwiththewindow

open.

Theylefttheroomwiththelightsstillon.

Hesteppedin,withhishands

inhispockets.settledtodo

动词-ing的各种形式无人称和数的变化,但有时态和语态的变化。语态时态主动语态被动语态一般式（进行的）完成式（发生在谓语之前）(not)doing(not)beingdone(not)havingdone(not)havingbeendonedoing的一般式和完成式这四种形式抽象成doing形式(not)beingdone1.Thehouse____________(build)hasbeensoldout.2.①Beingstuckybytheheavyrain,Iwalkedintothebookstoretohavearest.√改出原句AsAsIwasstuckby.....运用公式，还有一种改法②Stuckbythe....3.Ifoundthefoodbeingbitten.进行的，被动的定语原因状语宾语补足语beingbuilt(not)havingdone发生在谓语之前的，主动的1.Theleaveshavingfallenwerebrown.Theleaveswhichhadfallenwerebrown.×2.Asshehadn’treceivedananswer,shewroteanotherlettertoherparents.Nothavingreceivedan...3.Aswehadexperiencedquiteafewearthquakes,wedidn’ttakemuchnotice.Havingexperienced.....4.Isawtheleaveshavingfallen.×只做状语(not)havingbeendone发生在谓语之前的，被动的1.Afterithadbeenwellattendedforaweek,mydogcouldwalkallbyitself.Havingbeenwellattendedforaweek......只做状语1._______(hear)thenews,theycouldn’thelpjumping.2.Becarefulwhen___________(cross)thestreet.3.__________________(work)forthreehours,hetookarest.4.___________(use)yourhead,you’llhaveagoodidea.5.___________(work)hard,hedidn’tfeelabittired.6.Theheavyrainlastedthreedays,__________(result)inserioustrafficjams.7.Thegirlcamein,_________(follow)herparents.8.________(walk)inthepark,shesawanoldfriend.9.Marysat