It 用 法复习讲与练.ppt

It用法复习讲与练 一 考点聚焦1 it的基本用法 用作人称代词 代替前文提到过的事物Thetrainhasarrived Itarrivedhalfanhourago 用以代替提示代词this that What sthis It saknife Whosewatchisthat It smine 起指示代词的作用 指一个人或事物 Whoisknockingatthedoor It sme 指环境情况等 Itwasverynoisy quiet attheverymoment 指时间 季节等 Whattimeisit It seighto clock Itoftenrainsinsummerhere Itis was 时间 since did haddone 从 已多久了 ItisthreeyearssinceImethiminBeijing ItwasalongtimesinceIhadlivedinthatsmallmountainvillagewiththesefarmers 注意两句中的时态 ItisfivemonthssinceIarrivedinNewYork ItisfivemonthssinceIwasinNewYork Itis was willbe 时间 before do did do 这个句型和上面句型中时间都是时间段 不过主句的时态多用一般将来时或一般过去时 Itwillbeseveralyearsbeforewemeetagain Itwasnotlongbeforetheysetoutforthefront Itis was willbethefirst second third timethat havedone haddone ItisthefirsttimethatIhavebeenhere Itwasthesecondtimethathehadseenthefilm 指距离 Itisalongwaytotheschool 作形式主语 构成下列句型 Itis adj n prep for ofsb todoeg Itisnoteasytofinishtheworkintwodays It be adj n prep doingeg Itisnousecryingoverspiltmilk It be adj n prep thatclauseeg Itisapitythatyoudidn treadthebook It vt n pron todo thatclauseEg IttookmetwohourstodothehomeworkIt be said reported believed pp thatclauseEg ItisbelievedthathewillbeadmittedtoBeijingUniversityIt Vi seem appear happen occurtosb matter doing 主语从句Eg Itdoesn tmatterwaitinghereIthappenedthatwehadmetsomewhere Itistime forsb todosth Itis high timethatsb did shoulddosth 虚拟语气 Itisuptosb todosth 应由某人做某事 Itisuptoyoutodecidewhetherwestartornot It slikesb todosth It slikehimtoanswerforwhathehasdoneIt slikehimtohavebeensorudetostrangersItisone sturntodoItismyturntolookafterthebabyIfithadn tbeenforyourhelp Iwouldneverhavesucceeded 作形式宾语 Sb think find make it adj n todo doing thatclauseIthinkitnousearguingwithhim IfounditveryinterestingtostudyEnglish Hemadeitclearthathewasnotinterestedinthatsubject Like love hate appreciate help look dependon seeto counton relyon it when if thatclauseEg IlikeitwhenyoudothatYoumaydependonitthattheywillsupportyou 10 用于强调结构 It is was 被强调部分 that who 剩余部分ItwasXiaomingwhom that Imetinthestreetlastnight ItwasinthestreetthatImetXiaominglastnight Ifitweren t hadn tbeenfor Ifitweren tformyjob IwouldcomewithyouSoitiswith Itisthesamewith Eg HelikesEnglishbutdoesn tlikemaths soitiswithmeHeisastiudentandstudiesveryhard itisthesamewithhisbrotherWhenitcomesto doing sth Eg Whenitcomestocomputergames heisquiteanexpert 二 练一练 Ihate whenpeopletalkwiththeirmouthsfull A itB thatC theseD them Itwasinthelab wastakenchargeofbyProfessorBlack theydidtheexperiment A that whereB which thatC whom thatD which where Theyareallclassmates isnowonderthattheyshouldhelpeachotherwiththeirstudies A ThereB ItC ThisD That toallthatTaiwanisthelargestislandinChina A AsknowsB AsweknowC ItisknownD Whatisknown Willyouseeto tha