高中英语语法课件-----it的用法

theuseofIt Theuseof it 1 用作人称代词 代表前面提到的人或事物 Who sit me Lookatthepicture isapictureofourschool It s It 2 用于代替指示代词this和that Isthisjacketyours Yes is it 3 用以表示时间 距离 天气 气候 季节 环境等 Itishalfpasteightnow It sonlyhalfanhour swalkfromheretoourschool Ihopethatitwillbefinetomorrow Ithasrainedmuchthisyear It sspringnow It squiethere Time Distance Weather Weather Season Circumstance 4 作引导词 在句中作形式主语或形式宾语 代替后面的短语或从句 Insteadof todo ItisimportantforustolearnEnglishwell Ifounditnecessarytotellhimaboutthematter Sub FormalObject 2 Insteadof doing Itisnousequarrellingwithhimaboutit Ithinkitnogoodtalkingtoher 3 Insteadof clause Itdoesn tmatterwhetherhewillcomeornot Ithinkitnecessarythatwewillattendthemeeting 5 用于强调句型中 It be 被强调部分 that who aperson 从句 ImetTomintheparkyesterday 1 ItwasIwhometTomintheparkyesterday 2 ItwasTomwhoImetintheparkyesterday 3 ItwasintheparkthatImetTomyesterday 4 ItwasyesterdaythatImetTominthepark Itwasfiveo clock Igothome Itwasatfiveo clock Igothome when that 1 Hedidn tcomebecausehewasill Itwasbecausehewasillthathedidn tcome 2 Shedidn tgotobeduntilherfathercameback Itwasuntilherfathercamebackthatshedidn tgotobed wrong Notuntilherfathercamebackdidshegotobed Itwasnotuntilherfathercamebackthatshewenttobed Itwasnot shetookoffherdarkglasses Irealizedshewasafamousfilmstar 92 A when thatB until whenC until thatD when then2 Itwasnotuntil that topreparehislessons 91 A didhisfathercomein theboybeganB didhisfathercomein didtheboybeginC hisfathercamein didtheboybeginD hisfathercamein theboybegan C D 特殊句式 ItisreportedthatChinahaslaunchedanotherman madesatellite Itisorderedthatthesoldiersshouldcrosstheriveratonce Itseemsthathehaslearntofthenews IthappenedthatItooknomoneywithme Itmattersverymuch makesgreatdifferencewhethertogoornot 6 Itsurprisedmethathefailedtopasstheexam 7 ItwasnotlongbeforehereturnedtoBeijing 8 Howlongwillitbebeforehecomesback 9 Itwillwillbelongbeforehecomesback 10 ItisfiveyearssincehejoinedtheParty Exercises 1 Ihate whenpeopletalkwiththeirmouthsfull itB thatC theseD them2 Inwhichplayis yourbrotherappear thatwhereB thiswhenC itthatD itwhere3 theharderyouwork thebetterresultyou llget It sbelievedthatB WhatwebelievedthatC It sfactD Whatthefactis4 Nothingcanstopus A can titB canitC can tweD canwe A C A B 5 Canyoutellushowthewarwaswonintheend Idon tknow It shardtosayB Itdoesn tmatterC It snousesayingD Itdependsonthework6 Does matteralotwhethershewillcomeherebybusorbytaxi ThethingB thatC itD hermother7 Listen Someoneisunlockingthegoods mustbeyourfathercomingbackfromBeijing A ItB ThereC ThatD This A C A 8 Haveyouwrittenalettertoher No butI mgoingtowrite tonight A itB thatC thoseD one9 Aretheycomingtothemeeting IknowsoB IamsuresoC IamsureofitD Iquestionit10 nowprettylate wetookcandlesandwentupstairs BeingB ForC ForbeingD Itbeing11 Ourfoodandservicearebetterthan usedtobe A ItB weC theyD them D A D C 12 Theteachertoldthestudents A whytolearnEnglishimportantB whywasitimportanttolearnEnglishC whyitimportanttolearnEnglishD whyitwasimportanttolearnEnglish13 TheTVsetsmadeinChinaaremuchbetterthan inJapan thatB thoseC themD