高中英语it用法和强调句课件

IT用法和强调句IT用法和强调句11.指提到的事物:Dongguanis

a

beautiful

city,isn’t

it?Isthisyourdog？No,itisn’t.Heisill.It’swhyheisabsent.Ihateitthathe’ssolazy.2.指婴儿或人(未知性别):Whoisthebaby？It’sme.Someoneisknockingatthedoor.Whoisit?一、it作人称代词1.指提到的事物:一、it作人称代词2指天气：Itissunnytoday,isn’t

it?2.指时间:

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

walk/ride

frommyhometotheschool.4.指环境:

Itwasveryquietin

the

café.5.指度量：Itisabout5kilograms.6.指价值：What‘sthepriceofthebook?Itis20yuan.二、it作非人称代词指天气：二、it作非人称代词3三、it用作形式主语1.Itis+adj/n+(forsb.)todosth.doingsththat从句Itisimportant(forus)tolearnEnglish.Itiswrong

forustotellalie

It’snouse/nogood/nohelp

arguingaboutit.Itisnogood

smokingtoomuch.Itisveryclear

thatheisn’ttellingthetruth.Itisapitythathecan’tcometomybirthdayparty.三、it用作形式主语4Itissaid(reported/believed/known/told/hoped)+that从句据说（据报道……）Itissaid

thatChinawillsendupanothersatelliteintospace.=Chinaissaid

to

sendupanothersatelliteintospace.Itwasreportedthatthousandsofpeoplehaddiedintheaccident.=Thousandsofpeople

wasreported

tohave

diedintheaccidentItiswellknownthatChineseteamhavewonthevolleymatch.=Chineseteamiswellknowntohavewonthevolleymatch.

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

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

thatheenjoyspopsongsverymuch.

=He

seems

toenjoypopsongsverymuchItappeared

thatTomhadchangedhismind.=Tomappeared

tohavechangedhismind.IthappenedthatImetmyoldfriendonthestreet.=Ihappenedtomeetmyoldfriendonthestreet.

3.It+vi.(seems/appears/6四、it作形式宾语动词有think,believe,make,find,consider,feel等。V+it+adj/n+(forsb)todosthdoingsththat从句Ithinkit

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

nogood

smokingtoomuch.=Ibelieve(that)itis

nogood

smokingtoomuch.Ifeelitapitythathecan’tcometomybirthdayparty.=Ifeelthatitisapitythathecan’tcometomybirthdayparty.

四、it作形式宾语动词有think,believe,ma7五、用于强调句型中

Itis(was)+被强调成分+that从句(人)(who)(被强调成分:主语，宾语，状语)一般疑问句：Is+it+被强调成分

+that从句？特殊疑问句：特殊疑问词+isit+that从句?从句：引导词+itis+that从句高中英语it用法和强调句ppt课件8ImetTomintheparkyesterday.1)ItwasIwhometTomintheparkyesterday.2)ItwasTomwhoImetintheparkyesterday.3)ItwasintheparkthatImetTomyesterday.4)ItwasyesterdaythatImetTominthepark.强调主语强调宾语强调地点状语强调时间状语ImetTomintheparkyesterda9我是在街上遇见我的父亲的。(强调在街上)Itwas

inthestreet

thatImetmyfather.Wasit

inthestreet

thatyoumetyourfather?Wherewasit

thatyoumetyourfather?Hetoldmewhereitwas

thathemethisfather.2.你是8点开始工作的吗？（强调时间）Wasit

ateighto’clock

thatyoubegantowork?Itwas

ateighto’clock

thatIbegantowork.Whenwasitthat

youbegantowork?Canyoutellmewhenitwas

that

youbegantowork?我是在街上遇见我的父亲的。(强调在街上)103.正是因为她病了，他们才没叫她做这项工作。（强调原因）Becauseshewasill,theydidn’taskhertodothejob.Itwas

becauseshewasillthattheydidn’taskhertodothejob.Wasit

becauseshewasillthattheydidn’taskhertodothejob?Whywasitthattheydidn’taskhertodothejob?4.他为什么不能回答这个问题？Whywasitthathecouldn’tanswerthequestion.3.正是因为她病了，他们才没叫她做这项工作。11六、几种句型区别1)强调句型：Itis(was)+被强调成分+that从句ItwasinthestreetthatImetmyfather.

Itwas

ateighto’clock

thatIbegantowork.2)定语从句ItwasthestreetwhereImetmyfather.Itwas

eighto’clock

whenIbegantowork.3)since句型“自从”Itis+一段时间+since从句（did）Itwas+一段时间+since从句（haddone）Itistwohourssincehecameback.Hesaiditwastwohourssincehehadcomeback.六、几种句型区别124)before句型“过多长时间才…”Itwillbe+一段时间+before从句(do/does)Itwas+一段时间+before从句(did)

Itwastwohoursbeforehecameback.Itwillbetwohoursbeforehecomesback.5）“第几次”句型Itis+第几次+that从句(havedone)是第几次干…Itwas+第几次+that从句(haddone)ItisthefirsttimethatIhavecometoBeijing.HesaidthatitwasthefirsttimethatIhadcometoBeijing.4)before句型“过多长时间才…”13not...until...的强调形式:Itisnotuntil+被强调部分+that...“直到…才”主要用于强调时间状语的强调句型。Ididn'trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.→

Notuntilshetookoffherdarkglasses

didIrealizeshewasafamousfilmstar.→

Itwasnotuntilshetookoffherdarkglasses

thatIrealizedshewasafamousfilmstar.

not...until...的强调形式: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.