選修6第三單元語(yǔ)法it的用法教案資料

選修6第三單元語(yǔ)法it的用法

Suddenly___begantorain.Hefound__hardtowalkthere.Thenhetookabushome.Unfortunately___wentwrong.Whenhegothome,hewaswetthrough.Thus___wasadaythathewouldneverforget.itititit

Theuseof“it”learningaboutgrammarDiscovering“It”

Itrainsheavily.2.Itis20kilometersfromGranddad'shousetoJames’.3.ItisNovember11,2005.4.Itis9o’clockatnight.5.It'llbelovelyinthegardentonight．

6.Itisbadtosmoke.7.IfinditdifficulttolearnEnglishwell.8.Whatisthist/that?Itisacellphone.9.Whatabeautifulbaby?Isitaboy?

10.Mycatismissing,Ican’tfinditanywhere.天氣距離日期時(shí)間形式主語(yǔ)環(huán)境形式賓語(yǔ)不明性別的成人或幼兒上文提到的事物(同一物)替代指示代詞this/that

S1.Whatisthis?Itisacellphone.S2.Whatisthat?Itishisdictionary.S3.Whosebookisthis?ItisMrCheng’s.S4.WhereisyourEnglishbook?Itishere.S5.Mycatismissing,Ican’tfinditanywhere.S6.Whatabeautifulbaby?Isitaboy?Drawaconclusion:1.It---詞性?______可以用作人稱代詞，代指_______________還可以替代指示代詞_____或______或__________________________

pron.前文提到的事物.thatthis

指代性別不詳?shù)娜嘶蛘呤怯變阂?、it用作代詞ItisFridaytoday.

ItwasverycoldlastMonday.Itisabout8:30now.Itisabout25kmfromLongxiantoBazi.ItliesinthesouthofShaoguancity.Itis40°C!Yougotahighfever!2.it可以用作非人稱代詞,表示_____,_____,______,______,______,______等。dateweathertimedistanceplacetemperature

日期天氣時(shí)間距離地點(diǎn)溫度Readandanalyzethefollowingsentences.二、作引導(dǎo)詞，在句中作形式主語(yǔ)或形式賓語(yǔ)，代替后面的動(dòng)詞不定式、動(dòng)名詞或從句。代替“todo”ItisimportantforustolearnEnglishwell.Ifoundit

necessarytotellhimaboutthematter.2)

代替“doing”Itisnousequarrellingwithhimaboutit.Ithinkitnogoodtalkingtoher.

3)代替“clause”Itdoesn’tmatterwhetherhewillcomeornot.Ithinkit

necessarythatwewillattendthemeeting.替代作主語(yǔ)的從句、動(dòng)詞不定式、動(dòng)名詞，而把真正作主語(yǔ)的從句、動(dòng)詞不定式、動(dòng)名詞置于句尾。常用于以下特殊句式：一)it用作形式主語(yǔ)（1）Itis/was+adj.+forsb.todosth.

for前的形容詞通常為描述事件的形容詞：如easy,difficult,necessary,impossible,important等Itisillegalforamantodriveacarwithoutalicense.

1.it作形式主語(yǔ)動(dòng)詞不定式做真正主語(yǔ)（2）Itis/was+adj.+ofsb.todosth.

of前的形容詞通常為描述人的形容詞：如kind,clever,nice,rude,cruel,considerate,foolish,wise等

It'skindofyoutohelpmewiththeproblem.It‘snogooddoing…做…沒(méi)有好處It‘snousedoing…做…沒(méi)有用It‘snofundoing…做…沒(méi)有趣It‘snopleasuredoing…做…沒(méi)有樂(lè)趣It‘sawasteoftimedoing…做…浪費(fèi)時(shí)間2.It做形式主語(yǔ)，動(dòng)名詞做真正主語(yǔ)的常見(jiàn)句型有：3.it作形式主語(yǔ),從句做真正主語(yǔ)

Itisclear(obvious,true,possible,certain…)that...Itisobviousthathehasknownthetruth.

第一類：Itis+形容詞+that從句Itissaid(reported/believed/thought/known/told/hoped.....)that...It’sknownthatYaoMingisaworld-famousbasketballplayer.第二類：Itis+V-ed+that…第三類：

Itis+名詞

+that從句Itisapity(ashame/anhonor/afact/asurprise/...)that...該句型中，that后的從句有時(shí)用虛擬語(yǔ)氣(should+動(dòng)詞原形)should可省去,表示出乎意料,常譯為“竟然”。沒(méi)有這種意義時(shí)，則不用虛擬語(yǔ)氣。例如：Itisnowonderthat…難怪…Itisapitythatsuchathing(should)happeninyourclass.Itisapitythatheisill.他生病了，真遺憾！第四類：

It+不及物動(dòng)詞(happens/appears/seems…)

+that從句1.______worriesmethathekeepschanginghismind.(2007..山東)A.ThisB.ThatC.WhatD.It2._________excitedusChinesegreatlythatLiuXiangbroketheworldrecordofthe110--meterhurdlerace.A.WhatB.ThatC.ItD.AsDC二)it作形式賓語(yǔ)

當(dāng)復(fù)合賓語(yǔ)中的賓語(yǔ)是不定式、動(dòng)名詞、賓語(yǔ)從句時(shí)，往往把賓語(yǔ)放在它的補(bǔ)足語(yǔ)后面，而用it作形式賓語(yǔ)，放在賓語(yǔ)補(bǔ)足語(yǔ)之前。該句型中的it作形式賓語(yǔ)，常用的動(dòng)詞有think,believe,make,find,consider,feel等。

【6123結(jié)構(gòu)

】主語(yǔ)+動(dòng)詞+it+形容詞/名詞+不定式/動(dòng)名詞/從句

6

1

2

3常見(jiàn)的it做形式賓語(yǔ)構(gòu)成的句型：①Sb.

think/find/considerit

important(necessary/helpful…)forsb.

todo

sth.IthinkitusefulformetoreadEnglishaloudeverymorning.②makeitclearthat…弄清楚；使明白Hemadeitclearthatwemustobeytherules.③takeitforgrantedthat…認(rèn)為…是理所當(dāng)然的Manychildrentakeitforgrantedthattheyshouldasktheirparentsformoney.④makeitarulethat…使…為習(xí)慣Hemakesitarulethathegetsupbeforedawn.⑤在動(dòng)詞like,love,enjoy,prefer,hate,appreciate

后接if/when/that從句時(shí)一般用it做形式賓語(yǔ)結(jié)構(gòu)為：Sb.like/love/enjoy/prefer/hate/appreciateit

if/when/that…⑥在短語(yǔ)answerfor負(fù)責(zé),dependon依賴,insiston堅(jiān)持,seeto負(fù)責(zé)，照顧后接從句時(shí)一般用it做形式賓語(yǔ)結(jié)構(gòu)為：dependon/insiston/seetoitthat…

I’dappreciate____ifyouwouldliketoteachmehowtousethecomputer.(2006,山東)A.ThatB.itC.thisD.you

Thechairmanthought___necessarytoinviteProfessorSmithtospeakatthemeeting.(05全國(guó))A.thatB.itC.thisD.himB

形式賓語(yǔ)B1.Hedidn'tmake_____clearwhenandwherethemeetingwouldbeheld.(2007.天津)A.thisB.thatC.itD.there2.Idon'tthink______possibletomasteraforeignlanguagewithoutmuchmemorywork.

A.thisB.oneC.itsD.itCD在一些固定用法中考查

常見(jiàn)的固定用法有:makeit

成功，安排在或定在某時(shí)間forgetit

別提了，忘了它吧Don’tmentionit

別提了，表示不用謝Itdoesn’tmatter沒(méi)關(guān)系It(That)depends視情況而定Youguessedit

你猜著了It’shardtosay很難說(shuō)It’suptoyoutodosth.由你來(lái)決定做某事IfIcanhelpit如果我有辦法的話Whenitcomesto…當(dāng)談到…時(shí)四、用于強(qiáng)調(diào)句型中Itis/was

+被強(qiáng)調(diào)部分+that/who...Itisnotuntil+被強(qiáng)調(diào)部分+that...

ImetTominthepark

yesterday.1)Itwas

IwhometTomintheparkyesterday.2)Itwas

Tom

whoImetintheparkyesterday.3)Itwas

inthepark

thatImetTomyesterday.4)ItwasyesterdaythatImetTominthepark.Itwasfiveo’clock_________Igothome.Itwasatfiveo’clock_______Igothome.whenthatItwasabout600yearsago______thefirstclockwasmade．A．thatB．untilC．beforeD．when2.Was__________thatIsawlastnightattheconcert?A.ityou B.notyouC.you D.thatyourselfAA3.ItwasonlywhenIreadhispoemsagain____Ibegantoappreciatetheirbeauty．A．untilB．thatC．thenD．so4.Itwasnotuntil1920__regularbroadcastsbegan.A.whileB.whichC.thatD.sinceBcTheParkersboughtanewhousebut___willneedalotofworkbeforetheycanmovein.A.theyB.itC.oneD.which2.We’vebeenlookingathousesbuthaven’tfound___welikeyet.A.oneB.onesC.itD.them3.I’mmovingtothecountrysidebecausetheairthereismuchfresherthan___inthecity.A.onesB.oneC.thatD.thosePractice易誤辨析:it/one/thatBACthehousethattheParkersboughtahousetheairEg:IboughtadictionarythreeyearsagoandIamstillusing______now.IboughtadictionarythreeyearsagobutIamgoingtobuy_______soon.TheweatherinTianshuiisbetterthan____inBeijing.It用以指特定的前面提到過(guò)的事物，即：it和它替換的是同一個(gè)事物；而one,that用于替換與前提事物有共同之處但并不完全一樣的事物，one泛指，相當(dāng)于a/an+名詞，that特指，相當(dāng)于the+名詞。it,one和that

itonethat1.Tom'smotherkepttellinghimthatheshouldworkharder,but___didn’thelp.A.heB.whichC.sheD.it2.Europeanfootballisplayedin80countries,making___themostpopularsportintheworld.

whichB.thisC.thatD.it3.---Thereisacopyofthebookinthelibrary.Willyougoandbuy_______?---No,I'dratherbuy_____inthebookstore.A.it;oneB.one;oneC.one;itD.it;itDDA

Discussthefollowingsentencesandtellthefunctionof“it”:1.It’sdifficulttorememberalltheirnames.

2.It’sveryquietinthecafé.3.Itrainedforthreedays.4.Hemadeitclearthathedidn’twanttospeaktome.5.Itwasnicetomeetyou.6.ItwasonTuesdaythatSmithcame.7.It’sthreemilesfromheretothenearestgarage.

Exercises形式主語(yǔ),代替……CircumstanceWeather形式賓語(yǔ),代替……形式主語(yǔ),代替……用于強(qiáng)調(diào)句型中Distance1.IfIcanhelp___,Idon’tlikeworkinglateintothenight.A.soB.thatC.itD.them2.AsthebusiestwomaninNorton,shemade___herdutytolookafteralltheotherpeople’saffairsinthattown.A.thisB.thatC.oneD.it3.I’dappreciate___ifyouwouldliketoteachmehowtousethecomputer.A.thatB.itC.this