2024届高三英语二轮复习it作形式宾语课件(共20张PPT)

第第页2024届高三英语二轮复习it作形式宾语课件(共20张PPT)(共20张PPT)

Tolearntheusesof“it”:

Tobeusedinthesubjectpositiontostandforaninfinitive,-ingformoraclause

1.Itisnevertoooldtolearn.

活到老,学到老。

2.Itisnogoodcryingoverspiltmilk.

3.Itiseasiertofallthantorise.

摔倒比站起来要容易

4.ItisamazingthatatmyageIamstillfit.

_____________;

_____________;

_____________

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.

遵循英语语言的尾重原则,避免句子头重脚轻。

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＋形容词/名词＋for/of＋sb.+todosth.

1.Itisimportantforustoknowourlimitations.

知道自己的局限性是很重要的。

2.Itiskindofyoutodothatthing.

你真好做那样的事

usageit作为句子的形式主语,把句子的真主语移到后面去

句型2.it代替-ingform

It+be+名词+doingsth.

1.Itisfunworkingforhim.

为他工作很有意思。

2.Itisnousetalkingwithhim.

和他谈话没有用。

常用的名词有fun,apity,ashame,nouse/good)

句型3.it代替主语从句

It+be+adj./n./p.p.+clause可以是that引导的，也可以是wh-词引导

1.Itisstrangethatithasn’tbeennoticedbefore.真奇怪,它以前没有引起注意。

2.Itisawonderthatheisstillalive.

他居然还活着,真是个奇迹.

3.Itissuggestedthatonedaypeople（should)liveonthemoon.

有人建议人们有一天能住在月球上。

4.Itisn’tdecidedhowmanypeoplewillattendthemeeting.多少个人出席会议，还没决定.

③It+be+V-ed.(reported,believed,said,

suggested)+that从句

该句型中：⑴若V-ed.为reported,believed,said等常译为“据报道”，“据认为”，“据说”。

It'ssaidthatTomhasbeenbackfromabroad.

(=Tomissaidtohavebeenbackfromabroad.)

⑵若V-ed.为suggested,ordered,demanded,insisted等表示“建议”,“命令”的词，从句要用虚拟语气(should)+动词原形。

Eg:Itissuggestedthatthebook(should)berevised.

2.Thathecan’tattendthepartyisapity

Togivingupsmokingisdifficult.

Itis__________________________

Itisknowntoallthatthemoonmovesaroundtheearth.

difficulttogiveupsmoking.

Itisapitythathecan’tattendtheparty.

3.Thatthemoonmovesaroundtheearthisknowntoall.

Doexercises

Task

1.等别人替你做决定是没有用的。

____________waitingforotherpeopletomakedecisionsforyou.

2.每天大声朗读半小时英语很有必要。

_______________readEnglishaloudforhalfanhoureveryday.

3.据说运动会要推迟

__________thatthesportsmetingwillbeputoff.

Itisnouse

Itissaid

Itisnecessaryto

understandthesentencesandfillintheblanks

Task2

改正错句

Thatisillegalforhimtoabusehispower.

Itissuggestedthatthemeetingwouldbeheld.

Itisimpoliteforyou