Unit6TheMediaLesson1FocusOnLanguage课件高中英语北师大版选择性

Unit6Lesson1语法专题：it的用法【语法体系】【自主感知】①It'stimetohavesupper.

表示时间②Itoftenrainshereinsummer.

表示天气③Itistwentymilesfrommyschooltothevillage.

表示距离④Itwasveryquietinthegarden.

表示环境⑤--Whereisthedog?--Itislyingunderthetree.

表示上文提到的dog⑥Isitaboyoragirl?

表示不明身份的人⑦TheSmithsboughtanewhousebutitwillneedalot

ofworkbeforetheycanmovein.

表示双方都知道的house一、指代【规则点拨】(1)it可指代天气、时间、距离、环境等(2)it可指代前面所提到过的事情、事物(3)it可指代身份不明的人。(4)it可指代谈话双方都明白的事情或情况【易混辨析】it指前面提到过的同一个人或者物one可以指代前面出现过的不可数名词或单数可数名词，指代单数可数名词时相当于theone。其复数形式为those,相当于theonesthat指代前面出现过的同类事物中的一个，其复数形式为

ones【对点练】(1)完成句子①(2023·新高考Ⅰ卷)Notonly_________________________

anopportunitytoshowmywritingskills,butitcan

alsosparkmypassionforwriting.它不仅为我提供了一个展示写作技能的机会,而且能激发我对写作的热情。②Whenthefactorycloses,

_____________________500workerswillbeoutofwork.工厂关闭时,就意味着500名工人将失业③-Whattimeisitbyyourwateh?--______________________________.一你的表几点了?--9点39分。④____________________________inthewoods.小树林里真安静。⑤Thebabycriedwhen_________________________.这个婴儿饿了就哭。doesitsupplymewithitwillmeanItis9.39ltisreallyquietitwashungry(2)选词填空(it，one，that，those)⑥Hewantstosellhiscarandshewantstobuy________.⑦lsawmanynewbikesinthestore,solaskedmy

fathertobuy________forme.⑧TheweatherinShanghaiiswarmerthan__________in

Harbininwinter.⑨Thestudentswhodobestintheexamarenotalways____________

withthebestbrains.itonethatthose二、it作形式主语【自主感知】①It'snormaltohavehighexpectationswhenafilmof;afavouritebookismade.②Itissafetosaythatgreatfilmsmaybemadefromnotparticularlygoodbooks.③Itisapitythatyoucan'tgowithher.【规则点拨】(1)

it作形式主语的常用句型:

①Itbe+adj.(+for/ofsb.)十不定式

②Itbe十名词词组(apity/afact/nowonder/...)十that从句

(1)it作形式主语的常用句型:①Itbe+adj.(+for/ofsb.)十不定式②Itbe+nogood/use/useless+doingsth.③Itbe+(well)worth+doingsth.④Itbe十名词词组(apity/afact/nowonder/...)十that从句⑤It十特殊动词(seem/appear/turnout/occurtosb./...)+that从句⑥Itbe十过去分词十that从句⑦Ittakes(sb)+sometime/somemoney+todosth.【规则点拨】【名师指津】

在句型“Itbe+adj.(+of/forsb.)十todosth.”中,若形容词表示对逻辑主语的评价，不定式前用of

sb.，常见的形容词有kind，clever，stupid,brave，wrong，wise等;若形容词说明不定式所表示的行为的性质或特点,不定式前用forsb.,常见的形容词有difficult,easy,hard,important,impossible.necessary，possible等三、it作形式宾语【自主感知】①Theymaybetooclosetothematerialandfindit

difficulttoadapttoanewform.②IfinditeasytogetonwithJim.③Ihavemadeitclearthatnobodyisallowedtosmoke'here.④I'dappreciateit

ifyoucouldattendmyparty.【规则点拨】（2)it作形式宾语的常用句型:①主语+think/believe/suppose/consider/feel/make/keep/...+it+adj.+for/ofsb.+todosth.②主语+think/believe/suppose/consider/feel/makekeep/...+it+useless/worthwhile/nouse/no

good/awasteoftime/...+doingsth.③动词+it十介词短语十that从句，如:把……归功于……oweittosb.that...认为·…是理所当然的takeitforgrantedthat...记住·keepitinmindthat...④it用在不能直接跟宾语从句的动词后面，尤其是表示好恶的动词或短语后，如enjoy，like，lovedislike,hate,appreciate,seeto等。[对点练】(完成句子)①___________________________________ifyoucouldhelpme.如果你能帮助我,我会很感激的，②(2022·全国己卷书面表达)_____________forstudents

themselvestoimprovetheirself-discipline.学生自己迫切需要提高自律性。③AsfarasI'mconcerned,_________________________with

him.Hewon'tchangehismind.就我而言,和他争论是没有用的。他不会改变主意的。④Newtechnologies_________________________toproducenew

productsfasterandatalowercost.新技术使得以更低的成本更快地生产出新产品成为可能。IwouldappreciateitIt

isurgentitisnousearguingmakeitpossible⑤Youcan______________________________heisverysmart.

你就相信吧,他非常聪明。⑥_____________________________youdon'tagreewithme.

我的理解是:你不同意我的见解。⑦Please__________________________youbringenoughmoneywhen

yougoout.当你出门时请务必带够钱。⑧_______________________allofthemhavegonetothecinema.据说他们都去看电影了。countonitthatItakeitthatseetoitthatItissaidthat三、it用于强调句型及其他固定句式【自主感知】①Onemaythinkthatitisthebookwriterwhoisinthe

bestpositiontodofilmadaptations.②Itisthreeyearssincehisfatherpassedaway.③Itwasn'tlongbeforehetoldusaboutthisaffair.④Itwasalready8o'clockwhenwegothome.会发现①句中的it用于强调句型;②③④句中的it用于时间状语从句，【即时巩固训练】l.单句语法填空1.Butthat'shownatureisalwaysleavingus_____________(astonish).2.Theymakegreatgiftsandyouseethemmanytimes____________(decorate)withredenvelopesand

messagesofgoodfortune.3.Theteacherstoodthere,______________(surround)by

manystudents.4.Alltheafternoonheworkedwiththedoor____________(lock).astonisheddecoratedsurroundedlockedit用于强调句型及其他固定句式，常见结构如下：(1)It

is/was十被强调部分+that/who十其他部分，表示“正是……”(2)It+be十时间段+since引导的从句，表示“自……以来已多久了”(3)It+be十时间段十before引导的从句,表示“过多久才…...”(4)It+be十时间点+when引导的从句,表示“当……时已经几点了”(5)It+be+(high)time+that引导的从句,表示“是该做……的时候了”(6)It-be-thefirst/second/third/time+that引导的从句，表示“这是第几次……”【对点练】(1)单句语法填空①_______wasbecausehisfatherwasillthathedidn'tattendtheclass.②Ithasbeen5years_______IleftBeijing.③Itwashalfanhour_______theambulancearrived.④Itisonthefarmwhereweworkedtogether_______wegottoknoweachother.⑤Itwillbemanyyears_______thesituationimproves.Itsincethatthatbefore(2)完成句子⑥_____________________________________________________________.

自从他们结婚以来已经10年了。⑦_____________________________________________________________.

她早该写一封信给她妈妈了。⑧___________________________________________________________________________________________.

这是这些欧洲人第一次参观长城。Itwas10yearssincetheyhadmarriedItishightimethatshewrotealettertohermotherItisthefirsttime

(that)

theseEuropeanshave

visitedtheGreatWall

即时巩固训练I.句型转换1.Asiswellknowntoall,theearthisround.→______________________thattheearthisround.2.Readingisbelievedtoincreaseourknowledgeandbroadenourmind.→______________________

thatreadingincreasesourknowledgeandbroadensourmind.3.HefoundthatitwasawasteoftimewatchingTVtoomuch.→He______________________

watching

TVtoo

much.ItiswellknowntoallItisbelievedfounditawasteoftime4.Ithinkitisnogoodreadinginbed.→Ithink___________________inbed.5.Theweatherisfineinautumn.Ilikeit.→___________________theweatherisfineinautumn.6.Tommetyoursisterinthezooyesterday.(强调主语)→________________________________________________________.7.Theycouldnotcrosstheriverbecausethewaterhadrisen.(强调原因状语从句)→______________________________________________