高二英语it用法公开课

Theuseof“it〞

主讲人:杨小如

第一页，共28页。1Guess:

Whatdoes"it"refertointhefollowingsentences?第二页，共28页。2It

isChristmastoday.第三页，共28页。3It

issnowingheavily.第四页，共28页。4It

isnotfarfromShiyantoYunxian.第五页，共28页。5-Whatdoyouthinkofthemovie?

-It

isoneofthefunniestmoviesthatI’veseen.第六页，共28页。6-Whoishidingoutsidethewindow?

-It

mightbeourheadmaster.第七页，共28页。7It

isnothardforWangHaorantoanswerthisquestion.第八页，共28页。8Brainstorm(集中个人智慧(zhìhuì)猛攻)Canyouthinkofsomeother“it〞structures?第九页，共28页。9Itis+adj+forsb+todosth.Ittakes/tooksbtime/moneytodosth.Itisnogood/usedoingsth.Itiswellknownthat…Itisnowonderthat…Itishightimethat…Itis+被强调(qiángdiào)成分+that…第十页，共28页。101.DongfengHighSchoolisbeautifulandIloveit.

3.What’s

that?

It

isadesk.4.

It

iseighto’clock.代替前文出现(chūxiàn)名词代替指示(zhǐshì)代词泛指(fànzhǐ)(时间，距离，天气，度量，温度等)2.-Whoisknockingatthedoor?

-It

mightbeTom.

一、作代词代替不明身份的人第十一页，共28页。11高考(ɡāokǎo)再现Heaskedhisteacher,“Sir,thewaterisawful.Whydidyoupretendedtolike________?〞it第十二页，共28页。121.形式(xíngshì)主语二、作引导(yǐndǎo)词2〕Itisnousecryingoverspiltmilk.3〕Itisamazingthathemadesuchamistake.1〕Itiseasiertosaythantodo.模仿(mófǎng)造句2.嘲笑别人是不好的。3.据说他已经通过了考试。1.学习英语很有意思。

代替todosth./doingsth./从句Itisnogoodlaughingatothers.Itissaidthathehaspassedtheexam.ItisinterestingtostudyEnglish.第十三页，共28页。13高考(ɡāokǎo)再现

Janewaswalkingroundthedepartmentstores.Sherememberedhowdifficult____wastochooseasuitableChristmaspresentforherfather.it第十四页，共28页。142.形式(xíngshì)宾语

2)I

think

itnousecryingoverspiltmilk.3)Ibelieve

itamazingthathemadesuchamistake.1)Ifind

iteasiertosaythantodo.模仿(mófǎng)造句2.我认为像那样(nàyàng)说话是很傻的。3.我想上课时记笔记是必要的。1.我觉得和你聊天很好。2)Ithinkitfoolishtalkinglikethat.3)Ibelieveitnecessarythatweshouldtakenotesinclass.1)Ifinditgoodtochatwithyou.

代替todosth./doingsth./thatclause第十五页，共28页。153.强调(qiángdiào)句(amphaticsentence)结构(jiégòu)：Itis(was)+被强调(qiángdiào)局部+that/who+句子其它成分

①ItwasIthat/whosawTomyesterdayhere．

②ItwasTomthat/whoIsawyesterdayhere．

③ItwasyesterdaythatIsawTomhere．④ItwasherethatIsawTomyesterday．结论：强调句中，当去掉itis(was)….that/who后，句子仍然完整。Isaw

Tom

yesterday

here.第十六页，共28页。161.Itwas_____theoldworkercamethatwe_____theexperiment.A.until;didn’tbeginB.notuntil;beganC.untilbeganD.notuntil;didn’tbegin2.ItisI____singinginthegarden.A.whoareB.whoisC.thatamD.thatisChoosethebestanswer.第十七页，共28页。173.Isitinthefactory_____thistypeofcarsareproduced?A.whichB.whereC.thatD./4.Isitthefactory______thistypeofcarsareproduced?A.whichB.whereC.thatD./第十八页，共28页。18口诀：代词it本意它,既可指这又指那;时间天气(tiānqì)均可指,谈到距离也用它;假主假宾均可做,强调句型跟that。Summary第十九页，共28页。19_____________〔重要(zhòngyào)的〕toknowyourownlimitations.Praticemakesperfect.2.________________〔据报道(bàodào)〕itiscoldertomorrow.ItisimportantItisreportedthat3._______________〔没关系〕whetherhewillcomeornot.Itdoesn’tmatter4.____________〔无害(wúhài)〕doingsomesportsproperly.ItisnoharmItwasyesterdaythat5.___________________〔就在昨天〕Imetyourfatherinthestreet.第二十页，共28页。206.___________〔碰巧(pèngqiǎo)〕thattheharvestwasbadthatyear.10.________〔似乎(sìhū)〕thatsomeyoungpeoplethinktheylookattractivewhentheysmoke.Ithappened7.Itwas__________〔直到(zhídào)〕mymothercamebackthatI___________〔上床睡觉〕.notuntilwenttobed8.__________〔可惜〕thatheshouldnotgototheuniversity.Itisapity9.______________〔由你做决定〕totravalinBeijing.ItisuptoyouItseamsPraticemakesperfect.第二十一页，共28页。21GroupWork&Writing假设你是李华，最近你最好的朋友夏洛又烦恼了，因为他上周在厕所抽烟被“抖爷〞抓住了，这已经是第二次了。请你写封信，告诉他抽烟违反校规，而且有害健康(jiànkāng)。是该他下定决心戒烟和好好学习的时候了。相信只要他坚持，过不了多久他就会赶上其他同学的。注意：1.词数100左右。2.可适当增加细节，以使行文连贯。3.信的开头和结尾已给出，不计入总词数。尽量(jǐnliàng)使用"it"结构第二十二页，共28页。22DearXiaLuo,I'msorrytohearthat__________________________________________________________________________________YoursSincerely,LiHua第二十三页，共28页。23APossibleVersionDearXiaLuo,I'msorrytohearthatyouwerecaughtsmokingcigarettesinthetoiletbyMr.Tremblinglastweek,whichaccountsfor

yourfeelingupsetagain.I'mwritingtogiveyousomeadvice,hopingitwillbeofsomehelp.

第二十四页，共28页。24

Actually,Iknowit'sthesecondtimethatyou

havebeencaughtsmokingonthecampus.Inmyopinion,itdoesnogoodsmokingatyouragetoyourhealth,nottomention

itgoesagainsttheschoolrules.What'smore,thefinalexamapproaching,it'shightimethatyoushouldmakeupyourmindtoquitsmokingaswellastostudyhard.AndI'mfirmlyconvincedthataslongasyoukeeponstudying,itwon'tbelongf