Unit4Grammar語法課件-2024-2025年滬教牛津版九年級(jí)英語下冊(cè)

Grammar:it的常見用法UNIT4Naturaldisasters通過本節(jié)語法課，你將會(huì)：1.掌握it作代詞的基本用法2.學(xué)會(huì)it作形式主語的常見句型3.了解it作形式賓語的基本句型QUESTIONS：What’stheweatherliketoday?What’sthetimenow?Whatisthedatetoday?Whatistheseasonnow?Howfarisyourhomefromschool?Answerthesequestionsbelow.Leadin在你的回答中，it分別指代什么？It是一個(gè)特殊的代詞，它有兩重意義。單詞意義用法例子it1.代詞2.形式主語/形式賓語指代事物，前面提到過的事表示時(shí)間,天氣，季節(jié)等。出現(xiàn)在固定句型（背誦）Yourdressisbeautiful.Ilikeit.ItisThursday.Itis12o'clock.Itisboringformetostayathome.ItiskindofyoutohelpmewithmyEnglish.Ifindithardtofinishhomework.1.it作代詞的基本用法it作代詞的用法——Themascot(吉祥物)isalovelyandcutepanda!1.it指代事物或前面提到過的事物:Yeah.Iloveitsomuch!——mascot(吉祥物)2.it指代時(shí)間和天氣Itisfreezingcold.HowistheweathertodayinSZ?Whattimeisitnow?Itis___?___o'clocknow.YourschoolYourhomeHowfarisit

fromyourschooltoyourhome?Itisonlyfiveminutes’walk.3.it指代距離Howfar?4.it表示情況,或指代this,that:What’sthis?It

isaBingDwenDwen.4.不清楚對(duì)方性別時(shí)，可用it指代對(duì)方Isitaboyoragirl?5.it用于某些句型It'stimeforsth.該做某事了。It'stimetodosth.該做某事的時(shí)候了It'stimeforsb.todosth.某人該干某事了。It'sfirst(second)time+that從句某人第幾次干某事。(從句謂語用現(xiàn)在完成時(shí))It's+時(shí)間段+since從句自從....有一段時(shí)間了。it位于句首1.now/forsupper/it/time/is__________________________________________2.autumn/inAustralia/now/it/is__________________________________________3.aboutfivekilometres/it/is/tothepark__________________________________________4.windy/was/it/

yesterday__________________________________________Putthewordsinthecorrectordertomakemeaningfulsentences.Itistimeforsuppernow.ItisautumninAustralianow.Itisaboutfivekilometrestothepark.Itwaswindyyesterday.2.it作形式主語英語中不定式、動(dòng)名詞、主語從句在作主語時(shí)主語往往顯得很長，使整個(gè)句子看上去有點(diǎn)頭重腳輕。這樣就借助“it”來作形式上的主語，而把真正的主語移到句子后邊去，使全句看上去平穩(wěn)一些?！癷t”沒有實(shí)際的意義，但不可以省略。it作形式主語

句型1.It+be+forsb.+todosth.做某事對(duì)于某人來說怎么樣

形容詞必須是表示事情的形容詞。如：important,easy,necessary,difficult

上網(wǎng)課對(duì)大衛(wèi)來說很簡(jiǎn)單。

It’seasyforDavidtostudyonline.句型2.It+be+ofsb.+todosth.某人做某事某人怎么樣

形容詞必須是能表示人的形容詞。如：nice，kind,brave,clever,foolish

你肯幫我,你人太好了。

It’skindofyoutohelpme.=Youarekindtohelpme.it作形式主語的常見句型句型3.It+be+

名詞短語+todo做某事是....Itisourdutytoprotecttheenvironment.保護(hù)環(huán)境是我們的責(zé)任。ItisourresponsibilitytoprotecttheEarth.保護(hù)地球是我們的責(zé)任。Itisimportanttostaycalmwhenthereisafire.Itisdangeroustostartafireintheforest.

【練習(xí)】Putthewordsinthecorrectordertomakemeaningfulsentences.Itisagoodideatotakeanumbrella.Itisnicetohaveapicnicinthepark.

【練習(xí)】Putthewordsinthecorrectordertomakemeaningfulsentences.Itseemsthatatyphooniscoming.Itappearsthattheflighthasbeencancelled.Itseemsthatsomethingbadhashappenedtoher.句型4.It+seems/appearsthat好像......

Itseemsthathedidn'ttellthetruth他好像沒有說出真相。it作形式主語的常見句型

【練習(xí)】Putthewordsinthecorrectordertomakemeaningfulsentences.it作形式主語的常見句型句型5.It+be+nouse/nogood+動(dòng)名詞（v-ing）做某事是沒用的【翻譯】覆水難收._____________________________________句型6.It+be+done(reported/said/told/known…)+that據(jù)報(bào)道、據(jù)說、據(jù)獲悉........

據(jù)說他已經(jīng)出國學(xué)習(xí)了。

Itissaidthathehasstudiedabroad.

【填空】大家都知道這座大橋要提前完工。

Itis_____________thatthebridgewillbecompletedaheadoftime.Itisnousecryingoverthespiltmilkknown3.it作形式賓語這種情況通常只用于能帶以名詞或形容詞作賓語補(bǔ)語的動(dòng)詞后面?！境Ｓ镁湫汀縡eel/think/find+________+adj.+todo…我覺得/認(rèn)為/發(fā)現(xiàn)做某事是怎樣的【例句】IfounditnoteasytogetalongwellwithJim.我發(fā)現(xiàn)和吉姆相處好不簡(jiǎn)單?！咎羁铡课艺J(rèn)為學(xué)好英語很重要。Weallthink_________________tolearnEnglishwell.it作形式賓語itit出現(xiàn)在句中，在動(dòng)詞后importantitIt的常見用法用法例句1用作人稱代詞代替前面提到過的事物Thebookisnotmine.It’sMary’s.2用來代替指示代詞 —What’sthis?—It’sadictionary.3指時(shí)間、季節(jié)、天氣、氣候It’sspringnow.It’swarm.4指距離Itisalongwaytothehospital.5作形式主語Itisdifficulttofinishtheworkintwodays.Itisapitythatyoudidn’tpassthetest.6作形式賓語IfounditinterestingtostudyEnglish.Sumup!it的常見句型句型例句Itis+adj./n.+(forsb.)todosth. Itisnecessaryforustodosomereadingeveryday.Itisaruletoarriveattheofficeontime.Itis+adj.+ofsb.todosth.Itishonestofyoutotellthetruth.Itisa+n.+that...Itisapitythatyoudidn’tcometotheparty.Itseems/appearsthat...Itseemsthatwehavetofindanotherway.Itissaid/reported/believedthat...ItissaidthatMr.SmithisfromAustralia.Itistimeforsth.Itistimeforsb.todosth.It’stimeforclass.It’stimeforustogohome.Ittakes/willtake/took(sb.)+時(shí)間段+todosth.Ittookhimtwohourstofinishthereport.It’sone’sturntodosth.It’syourturntocleantheclassroom.一．選擇填空()1.Haveyouseenmywatch?Yes,______isonthedesk.A.It B.this C.it D.that()2.---IheartheWhiteshaveanewbaby.---Oh,is________lovely?A.he B.she C.they D.it()3.---Thereisaknockatthedoor._______?---Itisme.A.Whoishe B.WhoisthatC.Whoisit D.WhoissheCCD一．選擇填空()4.Whatistheweatherliketoday?________isveryhot,isn’tit?A.it B.It C.Weather D.It’s()5.Howfaris_______fromheretotherailwaystation?_______abouttenminutes’walk.A.it;It B.it;It’sC.It;ItD.it;Its()6.Isthatapenorapencil?_______isapencil.A.This B.That C.It D.TheyBBC()7.Whatisthedatetoday,the18thorthe19th?Neither.________the20th.A.ItB.That C.Th