IT用法和強調句IT用法和強調句11.指提到的事物:Dongguanis

a

beautiful

city,isn’t

it?Isthisyourdog？No,itisn’t.Heisill.It’swhyheisabsent.Ihateitthathe’ssolazy.2.指嬰兒或人(未知性別):Whoisthebaby？It’sme.Someoneisknockingatthedoor.Whoisit?一、it作人稱代詞1.指提到的事物:一、it作人稱代詞2指天氣：Itissunnytoday,isn’t

it?2.指時間:

Itwas10o’clockwhenshecameback.It'sNovembr30,2009.3.指距離：Itisanhour’s

walk/ride

frommyhometotheschool.4.指環(huán)境:

Itwasveryquietin

the

café.5.指度量：Itisabout5kilograms.6.指價值：What‘sthepriceofthebook?Itis20yuan.二、it作非人稱代詞指天氣：二、it作非人稱代詞3三、it用作形式主語1.Itis+adj/n+(forsb.)todosth.doingsththat從句Itisimportant(forus)tolearnEnglish.Itiswrong

forustotellalie

It’snouse/nogood/nohelp

arguingaboutit.Itisnogood

smokingtoomuch.Itisveryclear

thatheisn’ttellingthetruth.Itisapitythathecan’tcometomybirthdayparty.三、it用作形式主語4Itissaid(reported/believed/known/told/hoped)+that從句據(jù)說（據(jù)報道……）Itissaid

thatChinawillsendupanothersatelliteintospace.=Chinaissaid

to

sendupanothersatelliteintospace.Itwasreportedthatthousandsofpeoplehaddiedintheaccident.=Thousandsofpeople

wasreported

tohave

diedintheaccidentItiswellknownthatChineseteamhavewonthevolleymatch.=Chineseteamiswellknowntohavewonthevolleymatch.

2.Itis+v-ed(said)+that從句=sbis+v.ed(said)+todosthItissaid(reported/believed53.It+vi.(seems/appears/happens)+that從句

=sb+vi.(seems/appears/happens)+todosthItseems

thatheenjoyspopsongsverymuch.

=He

seems

toenjoypopsongsverymuchItappeared

thatTomhadchangedhismind.=Tomappeared

tohavechangedhismind.IthappenedthatImetmyoldfriendonthestreet.=Ihappenedtomeetmyoldfriendonthestreet.

3.It+vi.(seems/appears/6四、it作形式賓語動詞有think,believe,make,find,consider,feel等。V+it+adj/n+(forsb)todosthdoingsththat從句Ithinkit

important(forus)tolearnEnglish.=Ithinkthatitisimportant(forus)tolearnEnglishIbelieveit

nogood

smokingtoomuch.=Ibelieve(that)itis

nogood

smokingtoomuch.Ifeelitapitythathecan’tcometomybirthdayparty.=Ifeelthatitisapitythathecan’tcometomybirthdayparty.

四、it作形式賓語動詞有think,believe,ma7五、用于強調句型中

Itis(was)+被強調成分+that從句(人)(who)(被強調成分:主語，賓語，狀語)一般疑問句：Is+it+被強調成分

+that從句？特殊疑問句：特殊疑問詞+isit+that從句?從句：引導詞+itis+that從句高中英語it用法和強調句ppt課件8ImetTomintheparkyesterday.1)ItwasIwhometTomintheparkyesterday.2)ItwasTomwhoImetintheparkyesterday.3)ItwasintheparkthatImetTomyesterday.4)ItwasyesterdaythatImetTominthepark.強調主語強調賓語強調地點狀語強調時間狀語ImetTomintheparkyesterda9我是在街上遇見我的父親的。(強調在街上)Itwas

inthestreet

thatImetmyfather.Wasit

inthestreet

thatyoumetyourfather?Wherewasit

thatyoumetyourfather?Hetoldmewhereitwas

thathemethisfather.2.你是8點開始工作的嗎？（強調時間）Wasit

ateighto’clock

thatyoubegantowork?Itwas

ateighto’clock

thatIbegantowork.Whenwasitthat

youbegantowork?Canyoutellmewhenitwas

that

youbegantowork?我是在街上遇見我的父親的。(強調在街上)103.正是因為她病了，他們才沒叫她做這項工作。（強調原因）Becauseshewasill,theydidn’taskhertodothejob.Itwas

becauseshewasillthattheydidn’taskhertodothejob.Wasit

becauseshewasillthattheydidn’taskhertodothejob?Whywasitthattheydidn’taskhertodothejob?4.他為什么不能回答這個問題？Whywasitthathecouldn’tanswerthequestion.3.正是因為她病了，他們才沒叫她做這項工作。11六、幾種句型區(qū)別1)強調句型：Itis(was)+被強調成分+that從句ItwasinthestreetthatImetmyfather.

Itwas

ateighto’clock

thatIbegantowork.2)定語從句ItwasthestreetwhereImetmyfather.Itwas

eighto’clock

whenIbegantowork.3)since句型“自從”Itis+一段時間+since從句（did）Itwas+一段時間+since從句（haddone）Itistwohourssincehecameback.Hesaiditwastwohourssincehehadcomeback.六、幾種句型區(qū)別124)before句型“過多長時間才…”Itwillbe+一段時間+before從句(do/does)Itwas+一段時間+before從句(did)

Itwastwohoursbeforehecameback.Itwillbetwohoursbeforehecomesback.5）“第幾次”句型Itis+第幾次+that從句(havedone)是第幾次干…Itwas+第幾次+that從句(haddone)ItisthefirsttimethatIhavecometoBeijing.HesaidthatitwasthefirsttimethatIhadcometoBeijing.4)before句型“過多長時間才…”13not...until...的強調形式:Itisnotuntil+被強調部分+that...“直到…才”主要用于強調時間狀語的強調句型。Ididn'trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.→

Notuntilshetookoffherdarkglasses

didIrealizeshewasafamousfilmstar.→

Itwasnotuntilshetookoffherdarkglasses

thatIrealizedshewasafamousfilmstar.

not...until...的強調形式:14

Exercises:1.Fillintheblanks1.Is_____necessary______(complete)thedesignbeforeNationalDay?2_____isnogood_____

(drink)toomuch.3.Tom’smotherkepttellinghimthatheshouldworkharder,but_____didn’thelp.4._____isafact______Englishisbeingacceptedasaninternationallanguage.5.Ihate_____whenpeopletalkwiththeirmouthsfull.

ittocomplete

ItItdrinkingitItthatit

156.Ilike_____intheautumnwhentheweatherisclear.7.Ithappened_____hewasunfitfortheoffice.8.Hehappened_________unfitfortheoffice.9.Ithink____possible____masteraforeignlanguage.10.Ithinkthat________possible____masteraforeignlanguage11.Heissaid________

gonetoAmericaforfurtherstudy.12.____wassaid_____he_________toAmericaforfurtherstudy.itthattobeittoitistotohaveItthathadgone6.Ilike_____intheautumn162.Choosethebestanswers1.Itwas___hesaid____disappointedme.A.what;thatB.that;thatC.what;whatD.that;what2.Isitinthefactory_____thistypeofcarsareproduced?A.whichB.whereC.thatD./3.Isitthefactory______thistypeofcarsareproduced?A.whichB.whereC.thatD./abcabc174._____onMondaynightthatallthishappened?A.IsitB.ItisC.WasitD.Itwas5.Itwas_____theoldworkercamethatwe_____theexperiment.A.until;didn’tbeginB.notuntil;beganC.untilbeganD.notuntil;didn’tbegin6.ItisI____singinginthegarden.A.whoareB.whoisC.thatamD.thatiscbc4._____onMondaynightthat18

3.