第第頁(yè)2024屆高三英語(yǔ)二輪復(fù)習(xí)it作形式賓語(yǔ)課件(共20張PPT)(共20張PPT)

Tolearntheusesof“it”:

Tobeusedinthesubjectpositiontostandforaninfinitive,-ingformoraclause

1.Itisnevertoooldtolearn.

活到老,學(xué)到老。

2.Itisnogoodcryingoverspiltmilk.

3.Itiseasiertofallthantorise.

摔倒比站起來(lái)要容易

4.ItisamazingthatatmyageIamstillfit.

_____________;

_____________;

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ItisamazingthatatmyageIamstillfit.

Itiseasiertofallthantorise.

Itisnogoodcryingoverspiltmilk.

subjectposition

Lookatthesentencesandthinkaboutthewayof“it”inthefollowingsentences.

subjectposition

subjectposition

“It”canbeusedinthesubjectpositiontostandfor

aclause

aninfinitiveform

an-ingform

It’sdifficulttogiveupsmoking.

Itiscertainthattheywillwin.

Itisnogoodlearningwithoutpractice.

Itisfunforhimtostudy.

It’sapitythatourteachercan’ttake

partinourparty.

6.Itissuggestedthatwe(should)arrive

therein2hours.

formalsubject

It+is+adj./n./p.p.+infinitive/clause/-ingform

predicative

clear,easy,true,difficult,certain,etc.

fun,apity,ashame,nouse/good,etc.

said,believed,decided,hoped,suggested,etc.

summary

realsubject

=Itishardtoquitsmoking.

1.Toquitsmokingishard.

=Itisnousetalkingwithhim.

2.Talkingwithhimisnouse.

3.ThatStevenHarkingputsforwardthetheoryisknowntous.

=ItisknowntousthatStevenHarkingputsforwardthetheory.

遵循英語(yǔ)語(yǔ)言的尾重原則,避免句子頭重腳輕。

Thinkaboutwhy“it”isused

tobeformalsubject

Atpresent,2023-nCoV(新冠病毒)isspreading.

Whatshouldpeopledotoprotectthemselves

1.It'sagoodhabitforpeopletoairtheirhouseseveryday.

2.It'simportantthatpeople(should)wearmasksoutdoors.

3.Itisworthwhilebanning/tobanpeoplefromworking.

...

句型1.it代替不定式

It＋be＋形容詞/名詞＋for/of＋sb.+todosth.

1.Itisimportantforustoknowourlimitations.

知道自己的局限性是很重要的。

2.Itiskindofyoutodothatthing.

你真好做那樣的事

usageit作為句子的形式主語(yǔ),把句子的真主語(yǔ)移到后面去

句型2.it代替-ingform

It+be+名詞+doingsth.

1.Itisfunworkingforhim.

為他工作很有意思。

2.Itisnousetalkingwithhim.

和他談話沒(méi)有用。

常用的名詞有fun,apity,ashame,nouse/good)

句型3.it代替主語(yǔ)從句

It+be+adj./n./p.p.+clause可以是that引導(dǎo)的，也可以是wh-詞引導(dǎo)

1.Itisstrangethatithasn’tbeennoticedbefore.真奇怪,它以前沒(méi)有引起注意。

2.Itisawonderthatheisstillalive.

他居然還活著,真是個(gè)奇跡.

3.Itissuggestedthatonedaypeople（should)liveonthemoon.

有人建議人們有一天能住在月球上。

4.Itisn’tdecidedhowmanypeoplewillattendthemeeting.多少個(gè)人出席會(huì)議，還沒(méi)決定.

③It+be+V-ed.(reported,believed,said,

suggested)+that從句

該句型中：⑴若V-ed.為reported,believed,said等常譯為“據(jù)報(bào)道”，“據(jù)認(rèn)為”，“據(jù)說(shuō)”。

It'ssaidthatTomhasbeenbackfromabroad.

(=Tomissaidtohavebeenbackfromabroad.)

⑵若V-ed.為suggested,ordered,demanded,insisted等表示“建議”,“命令”的詞，從句要用虛擬語(yǔ)氣(should)+動(dòng)詞原形。

Eg:Itissuggestedthatthebook(should)berevised.

2.Thathecan’tattendthepartyisapity

Togivingupsmokingisdifficult.

Itis__________________________

Itisknowntoallthatthemoonmovesaroundtheearth.

difficulttogiveupsmoking.

Itisapitythathecan’tattendtheparty.

3.Thatthemoonmovesaroundtheearthisknowntoall.

Doexercises

Task

1.等別人替你做決定是沒(méi)有用的。

____________waitingforotherpeopletomakedecisionsforyou.

2.每天大聲朗讀半小時(shí)英語(yǔ)很有必要。

_______________readEnglishaloudforhalfanhoureveryday.

3.據(jù)說(shuō)運(yùn)動(dòng)會(huì)要推遲

__________thatthesportsmetingwillbeputoff.

Itisnouse

Itissaid

Itisnecessaryto

understandthesentencesandfillintheblanks

Task2

改正錯(cuò)句

Thatisillegalforhimtoabusehispower.

Itissuggestedthatthemeetingwouldbeheld.

Itisimpoliteforyou