Unit5 语法非谓语-doing复习（ppt课件）-新人教版（2019）《高中英语》选择性必修第二册.pptx

1、unit 5非谓语-ing复习语境感知1.Predicting the future is really difficult.2.Having left all my friends,I felt shy and lonely at my new school.3.Not receiving a reply from him,she felt upset.4.He insisted on being called Dr.Turner instead of Mr.Turner.5.His/Toms being late made the teacher very angry.6.Having b

2、een given such a good chance,how could she let it slip away?(1)一般式的主动形式:。(2)完成式的主动形式:。(3)一般式的被动形式:。(4)完成式的被动形式:。(5)否定式:在动词-ing形式前面加。(6)复合结构:在动词-ing形式前面加名词所有格、形容词性物主代词、名词普通格或人称代词宾格。doinghaving donebeing donehaving been donenot用法归纳1动词ing形式作主语时，往往表示经常性、习惯性的动作，通常置于句首。Singing is my hobby,and to sing at p

3、arties is my dream.名师点津动名词作主语时，谓语动词用单数。Walking _(be)a good form of exercise for both the young and the old.动词-ing形式作主语is动词-ing形式作主语2.形式主语it代替动词ing形式作主语。此类句式常见的有：It is no good/use _(cry)over the spilt milk.Its a waste of time doing sth.做某事是浪费时间Its useless/worthwhile doing sth.做某事没用/是值得的Its no good/us

4、e/fun doing sth.做某事没好处/没用/没意思crying即学即练单句语法填空 _ (work)with Jane in the same office is hard for me.Its no use (complain)without taking action.(volunteer)makes me feel so satisfied.(invite)to the party is what I want.动词-ing形式作主语WorkingcomplainingVolunteeringBeing invited1作动词的宾语。接v.-ing形式作宾语的常用动词(短语)有：

5、动词-ing形式作宾语admit、advise、appreciate、avoid、consider、delay、deny、enjoy、escape、fancy、finish、imagine、keep(on)、mind、miss、practise、risk、suggest、give up、stick to、lead to动词-ing形式作宾语2.作介词的宾语在下面的短语中，常用动词-ing形式作介词的宾语：改错 Im looking forward to your come next ecoming3.动词ing的复合结构His/Toms _(be)late made the teacher v

6、ery angry.Would you mind my/me _(clsoe)the window?Jerrys not _(arrive)on time made the people present angry.动词-ing形式作宾语beingclosingarriving1动名词(短语)作表语，表示抽象的一般性的行为，用来说明主语的内容，与主语通常是同一概念，表语和主语常可互换位置。Our duty is helping the disabled.=Helping the disabled is our duty.2现在分词(短语)作表语，表示主语的某种性质和特征，这类分词通常可以看作形

7、容词。Her performance is very _(entertain)，which brings us much pleasure.动词-ing形式作表语entertaining动词-ing形式作定语1动名词(短语)作定语，表示名词的属性、作用或用途，作“供用”讲，常置于被修饰的名词前。There is a swimming pool in our school.Students are not permitted to speak aloud in the reading room.2现在分词(短语)作定语，表示所修饰词的动作或状态，被修饰词与现在分词之间是主动关系，相当于一个定语从

8、句。The boys gathering at the school gate are my classmates.The boys who are gathering at the school gate are my classmates.The girl performing on the stage has a gift for dance.The girl who is performing on the stage has a gift for dance.动词-ing形式作宾语补足语Ifoundmycarmissing.Hisfathersawhimplayingcomputer

9、games.Shecouldnthavehimgettingawaywithtellinglies.情境感知用法归纳(1)现在分词作宾语补足语可以分为两种情况,一种是具有形容词性质的现在分词作宾语补足语,一种是具有动词性质的现在分词作宾语补足语。(2)具有动词性质的现在分词作宾语补足语表示正在发生的动作或者是经常存在的状态,一般在感官动词、使役动词后作宾语补足语,用以补充说明宾语的状况。常见的感官动词有feel、hear、listento、lookat、notice、observe、see、watch等;常见的使役动词有get、have、make、leave等。(3)当这些句子变为被动语态时,

10、宾语补足语则变为主语补足语。1作时间状语 When he heard the news，he couldnt help laughing.=_(hear)the news，he couldnt help laughing.2作原因状语As I dont know her address，I had better telephone her to come over.=Not knowing her address，I had better telephone her to come over.动词-ing形式作状语Hearing动词-ing形式作状语3作条件状语If you dont go t

11、o bed early,you will feel sleepy tommorrow.=Not _(go)to bed early,you will feel sleepy tommorrow.4作结果状语The child slipped and fell，and hit his head against the door.The child slipped and fell，_(hit)his head against the door.hittinggoing名师点津现在分词作结果状语，是随着谓语动词的发生而产生的自然结果，而不定式作结果状语时常表示出乎意料的结果，有时前面可以加only

12、。I hurried to school，only _(find)it was Sunday.to find动词-ing形式作状语5作让步状语 Although he had been told many times，he still didnt learn these rules by heart.=_(tell)many times，he still didnt learn these rules by heart.6作伴随状语Morris lay on the grass，staring at the sky for a long time.Morris lay on the grass

13、 and stared at the sky for a long time.Having been told动词-ing形式作状语用法归纳用法归纳现在分词可以作时间状语、原因状语、伴随状语、条件状语、结果状语、让步状语等。现在分词作状语时需要注意以下几点:(1)时间性时间性。如果现在分词所表示的动作与谓语动词所表示的动作同时同时发生,则用一般式一般式;如果现在分词所表示的动作发生在谓语动词所表示的动作之前之前则用完成式完成式。(2)语态性语态性。现在分词所表示的动作若与句子主语之间是主动主动关系,则用主主动动形式;若与句子主语之间是被动被动关系,则用被动被动形式。(3)现在分词作状语时,如果

14、它的逻辑主语不是句子的主语,通常用独立主格独立主格结构,即在现在分词前面加上它的逻辑主语。(4)有时出于强调或表达需要,现在分词前可以加现在分词前可以加when、while、after、before、if、though、unless、as if等从属连词等从属连词。练习1Sowhatarethemajor_(contribute)factorsinthesuccessofMathsteaching?2Thesesmarthomes_(keep)ussecureandcomfortablewillbewelcomedbymostfamilies.3Time_(permit),Iexpecttoh

15、avemoresparetimetospendwithmyfamily.4Behindhishouseliesapond_(measure)about2metersacross.5Imtiredout.Istayedupthewholenight,_(study)formyprojectduetoday.contributingkeepingpermittingmeasuringstudying练习6_(wait)forherfortwohoursinthepark,Ihadtoleave.7Iheardapassengerbehindme_(shout)tothedriver,andhere

16、fusedtostopuntilwereachedthenextstop.8Shehasneverseensuchacollectivededicationfromanation,_(turn)thingsforthebetterbysacrificingpersonalconvenience.9Notseeingorhearinganyfireengines_(approach),Grantrushedtoasideentranceandranupthestairs.10HeisastudentatOxfordUniversity_(study)foradegreeincomputersci

17、ence.Havingwaitedshoutingturningapproachingstudying练习11.Thismaybeduetosomedisadvantagesforpeople_(live)inthecountryside,includinglowerlevelsofincomeandeducation,highercostsofhealthyfoods,andfewersportsfacilities.12.Therehavebeenadramaticriseinthenumberofextremeweathereventsoverthepast20years,_(cause

18、)largelybyrisingglobaltemperatures,accordingtoanewreportfromtheUnitedNations.13.From2000to2019,therewere7,348majornaturaldisastersaroundtheworld,_(result)inUSD2,970billionineconomicloss14.Asaresult,shesays,someoftheinjuries_(associate)withrunning,suchasrunnersknee,areuncommonamongracewalkers.15.Lightingaccountsforabout7%ofthetotalelectricity_(consume)intheUS.livingcausedresultingassociatedconsumedThank you