高中英语高考 it的用法复习课件 新人教版.ppt

it stimeforclass it sonherdesk itismissqiwhoisrathercareless itisveryimportantformetobeacarefulperson carefulperson theuseof it it用法归纳一 指代it二 形式it三 强调it四 含有it的句型 whatdoyouthinkofthemovie it soneofthebestmoviesthati veseen who sthelovelybaby myfatherismr black it smr black s itcanbeusedaspersonalpronouns referringtotheperson animalormattermentionedabove orthepersonwhoyouarenotsureofgender summary1 特别注意 it one和that作替代词的用法及区别1 it代替前面提到的同一事物 同名同物 表特指该事物既可以是可数名词也可以是不可数名词 thenewsthattheyfailedtheirdrivingtestupsethim a didtheyb didn ttheyc diditd didn tit 2 one只替代可数名词的人或物 表示同名异物 one前后均可被定语修饰 如 a an adj one 此时表泛指 但one也可表示特指 此时只有当one被this that the等词修饰时 e g doyouhaveadictionary no idon thaveone idon tlikethisbook i dlikeamoreinterestingone ihopeitwasasgoodastheoneyoulentme 3 ones是one的复数形式 其前后均可被定语修饰 e g iwantlargeones notsmallones 3 that代替前面提到的同类事物中特指的一个 该事物既可以是可数名词也可以是不可数名词 the n要有后置定语 但不可以有前置修饰语 those是that的复数形式 itiscommonthattherearegenerationgapsbetweenparentsandtheirchildren forthevaluesoftoday syoungpeopledifferfrom oftheirparents a onesb itc thatd those2 theparksboughtanewhousebut willneedalotofworkbeforetheycanmovein a oneb theyc itd which4 thecollegesystematoxfordandcambridgeisunlike ofanyotheruniversity whetherinbritainoramerican a thatb onec itd those5 thelanguageusedinadvertisementsdiffersfrom usedinordinaryreadings a whichb whatc thatd it wasasunnyday peterdecidedtogoforawalktothepark though wastwomilesaway wassocomfortabletowalkonthestreet it it it suddenly begantorain hefound hardtowalkthere thenhetookabushome unfortunately wentwrong whenhegothome hewaswetthrough thus wasadaythathewouldneverforget it it it it eg itwasasunnyday peterdecidedtogoforawalktothepark thoughitwastwomilesaway summary2 itcanbeusedasimpersonalpronouns非人称代词totalkabouttime date distanceorweathermoneyandsoon 1 itwassocomfortabletowalkonthestreet itseemsthatnobodywillvoteforhim 3 hefoundithardtowalkthere summary3 it canbeusedinthesubjectorobjectpositiontostandfortheinfinitiveoraclause 1 it be adj n forsb todosth 2 it be adj n that clause3 it be adj ofsb todosth 4 it isnouse ongood useless doingsth 5 it be 过去分词 that clause6 it takes sb 一段时间 todo7 it seems appears that clause8 itseems looksasif 9 it s well worthdoing tohavesuchamagichouseispleasant it spleasanttohavesuchamagichouse whetherwewillgototheoceanariumhasnotbeendecided u i n ri m 海洋水族馆 ithasnotbeendecidedwhetherwewillgototheoceanarium preparatoryobject v sb thinkmakeitfind adj n todo that jointhetwosentencesbyusing it asobject janethinksitfunnythatihavetakenupchinesekungfu ihavetakenupchinesekungfu janethinksitisfunny oprahwinfreymakestotalkaboutgreatmomentsanddifficultiesinpeople slivespossible itpossible 05全国 thechairmanthought necessarytoinvitemr obamatovisitpeking a thatb itc thisd him例 我认为你去参加这会议很重要 ithinkitimportantthatyou should attendtheconference 形式宾语 ilike enjoy hate it 介词短语 when iwouldappreciateitif 特殊 ihateitatmidnightwhenyouplayguitar 动词make it arule that从句译 他习惯于天亮前起床 hemakesitarulethathegetupbeforedawn eg itwaswewho thatcalledonprofessorwangathisofficethismorning itwasprofessorwangwhowecalledonathisofficethismorning itwasathisofficethatwecalledonprofessorwangthismorning itwasthismorningthatwecalledonprofessorwangathisoffice 对not untill进行强调hedidn trealizehisfaultuntilhegraduatedfromhighschool itwasnotuntilhegraduatedfromhighschoolthatherealizehisfault 区分强调句型与从句itwasintheriverheoftenswam hecametotheriverheoftenswam itwasonsundaythestrangescametoourvillage itwassundaythestrangescametoourvillage itisnotuntil that 强调句型 that where 地点状语从句 that 强调句型 时间状语从句 when itwas backhomeaftertheexperiment a notuntilmidnightdidhegob untilmidnightthathedidn tgoc notuntilmidnightthathewentd untilmidnightwhenhedidn tgoinwhichplayis yourbrotherappears a thatwhereb thiswhenc itthatd itwhereitwasinthelab wastakenchargeofbyprofessorzhang theydidtheexperiment a where thatb which wherec that whered which that 强调句型 被强调的部分是notuntil引导的时间状语 强调句型用于疑问句 被强调的部分是特殊疑问词或从句引导词 inwhichplayisitthat itis that isit that idon tknowinwhichplayitisthat 强调句型和各种从句 高考热点 1 itistime abouttime hightime that 从句应该用虚拟语气 常用过去时态表示虚拟 有时也用should 动词原形 should不能省 常译为 是 正是 的时侯 itistimethatchildrenshouldgotobed itistimethatchildrenwenttobed 四 含有it的句型 2 itisthefirst second timethat itisthefirsttimeihavebeenhere thisisthefirsttimeihavebeenhere 含有it的句型 3 it常用在以下句型中 意思是 自从 以来已有一段时间 itis 时间段 since 主语 did非延动 whatwasthepartylike wonderful it sbeenyears ienjoyedmyselfsomuch a afterb whenc befored since 4 itis since 延续性动词的过去式 不做某事已经多久了 例 it s10yearssincehesmoked 含有it的句型 5 itbe before when从句中常是将来一般时或过去时两种时态 主句中的it指时间 表语多是long notlong 3days 2weeks等表示时间段的词或短语 常译为 之后 itwas3daysbeforehewenttobeijing itwillbenotlongbeforehefinisheshisjob 例 我们该采取行动了 it s about high timethatweshouldtakeaction 例 这是他第三次没有通过驾照考试 it sthethirdtimethathehasfailedthedrivingtest 例 不久后他们就会到 itwasnotlongbeforetheyarrived 含有it的句型 it 试题解析 1 theparkersboughtanewhousebut willneedalotofworkbeforetheycanmovein a theyb itc oned which it 试题解析 2 tom smotherkepttellinghimthatheshouldworkharder but didn thelp a heb whichc shed it it 试题解析 3 theweatherturnedouttobeverygood wasmorethanwecouldexpect a whatb whichc thatd it 4 doyouhaveenoughglassesforeachguesttohave a itb themc thatd one it 试题解析 5 whydon twetakealittlebreak didn twejusthave a itb thatc oned this it 试题解析 6 hewasnearlydrownedonce whenwas wasin1998whenhewasinmiddleschool a that itb this thisc this itd that this 7 itwasnotuntil1920 regularradiobroadcastsbegan a whileb whichc thatd since it 试题解析 7 itwasnotuntil1920 regularradiobroadcastsbegan a whileb whichc thatd since regularradiobroadcastsdidn tbeginuntil1920 it 试题解析 8 coulditbeintherestaurantin youhaddinner