山东省菏泽一中高三英语 语法《The use of “it”》课件.ppt

grammar theuseof it answers1 5cabaa6 12ccdddaa discovering it itrainsheavily 2 itis20kilometersfromgranddad shousetojames 3 itisnovember11 2005 4 itis9o clockatnight 5 it llbelovelyinthegardentonight 6 itisbadtosmoke 7 itislikelythathewillsucceed 天气 距离 日期 时间 形式主语 环境 形式主语 1 it的最基本用法是作代词 主要指刚提到的事物 以避免重复 xi anisabeautifulcity isn tit 2 也可以指动物或婴儿 未知性别的婴儿或孩子 isthisyourdog no itisn t 一 it作人称代词 it有时并不指具体的东西 而泛指天气 时间 日期 距离 价值 度量 温度 环境等 称为非人称的it 指天气 itisalovelyday isn tit itisabitwindy 2 指时间 itwasnearlymidnightwhenshecameback 3 指环境 itwasveryquietinthecaf 4 指距离 itishalfanhour swalktothecitycentrefrommyhome 二 it作非人称代词 5 指日期 what sthedatetoday it smay1 2007 6 指季节 itissummernow 7 指度量 itisabout5kilograms 8 指价值 what sthecostofthet shirt itis150yuan 替代作主语的从句 动词不定式 动名词 而把真正作主语的从句 动词不定式 动名词置于句尾 三 it用作形式主语 1 itbeadj forsb todosth 此处adj 通常为描述事件的形容词 easy difficult hard necessary unnecessary possible impossible likely unlikely right wrong important unimportant legal illegal well mannered ill mannered polite impolite clear obvious certain suitable proper fit useful useless dangerous itisillegal forateenager todriveacarwithoutalicense 1 代作主语的动词不定式 2 itbeadj ofsb todosth 此处adj 通常为描述人的形容词 kind unkind nice rude cruel considerate thoughtful thoughtless careful careless silly foolish stupid clever wise crazy it skindofyoutohelpmewiththeproblem it snogood usedoing it s well worthdoing it s well worthone swhiledoing todo it s well worthwhiledoing todoit snousecryingoverspiltmilk 3 it替代作主语的动名词的常见句型 2 it作形式主语替代主语从句 itisclear obvious true possible certain that 该句型中it是形式主语 真正的主语是that引导的主语从句 常译为 清楚 显然 真的 是主语从句最常见的一种结构 例如 itisveryclearthathe sroundandtalllikeatree itisadj clause itissaid reported learned believed thought known told hoped that 该句型中的it仍是形式主语 真正主语是that引导的主语从句 该结构常译为 据说 据报道 据悉 itissaidthathehascometobeijing itisreportedthatanotherearthsatellitehasbeenputintoorbit itisv edthat sb sth istodo itis noun 从句 itisapity ashame anhonor agoodthing afact asurprise that 该句型中 that后的从句一般用虚拟语气 should 动词原形 should可省去 表示出乎意料 常译为 竟然 没有这种意义时 则不用虚拟语气 例如 itisapitythatsuchathing should happeninyourclass 这种事竟然发生在你们班上 真是遗憾 itisapitythatheisill 他生病了 真遗憾 i mstillfitenoughtocycle20kilometersinanafternoon thatisamazing 2 myfatherhasquitsmoking thatiswonderful 3 youcouldsufferfrombadhealthifyoukeepsmoking itislikely 4 chinaproducesonethirdoftheworld scigarettes itisreported itisamazingthatiamstillfitenoughtocycle20kilometersinanafternoon itiswonderfulthatmyfatherhasquitsmoking itislikelythatyoucouldsufferfrombadhealthifyoukeepsmoking itisreportedthatchinaproducesonethirdoftheworld scigarettes birdflu 禽流感 hitchinaagain thatisknowntous 6 liyuchungotmorethanonemillionyuanfortheadvertisement peoplesaythat 7 someyoungpeoplethinkthattheylookattractivewhentheysmoke itseemsthat itisknowntousthatbirdflu 禽流感 hitchinaagain itissaidthatliyuchungotmorethanonemillionyuanfortheadvertisement itseemsthatsomeyoungpeoplethinktheylookattractivewhentheysmoke 四 it作形式宾语 当复合宾语中的宾语是不定式 动名词宾语从句时 往往把宾语放在它的补足语后面 而用it作形式宾语 放在宾语补足语之前 该句型中的it作形式宾语 常用的动词有think believe make find consider feel等 ithinkitnousearguingwithhim 我认为和他争吵没有用 ifounditveryinterestingtostudyenglish 我发现学英语非常有趣 hemadeitclearthathewasnotinterestedinthissubject 他非常清楚地表示他对那门学科不感兴趣 五 用于强调句型中 itis was 被强调部分 that who itisnotuntil 被强调部分 that imettomintheparkyesterday 1 itwasiwhomettomintheparkyesterday 2 itwastomwhoimetintheparkyesterday 3 itwasintheparkthatimettomyesterday 4 itwasyesterdaythatimettominthepark itwasfiveo clock igothome itwasatfiveo clock igothome when that itisnotuntil 被强调部分 that 该句型也是强调句型 主要用于强凋时间状语 译成汉语 直到 才 可以说是not until 的强调形式 例如 itwasnotuntilshetookoffherdarkglassesthatirealizedshewasafamousfilmstar notuntilshetookoffherdarkglassesdidirealizeshewasafamousfilmstar ididn trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses 巩固练习 1 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 4 onmondaynightthatallthishappened a isitb itisc wasitd itwas5 itwas theoldworkercamethatwe theexperiment a until didn tbeginb notuntil beganc untilbegand notuntil didn tbegin6 itisi singinginthegarden a whoareb whoamc thatared thatis 六 it常用的固定搭配 makeit 1 在口语当中相当于succeed 表示 成功 做到 说定 赶上 及时到达例it shardtomakeittothetopinshowbusiness 2 在口语中相当于fixthedatefor 表示 约定好时间 例 shallwemeetnextweek ok wejustmakeitnextsaturday 2 takeit thingseasy相当于don tworryordon thurry 用来劝告别人 表示 不要慌 别担心 沉住气 takeiteasy hewilldoitwell 3 italldepends thatalldepends在口语中 相当于ithasn tbeendecidedyet 表示 那得看情况 还没有定下来 areyougoingtothecountrysideforholiday it thatalldepends 4 it suptosb 在口语中 相当于it sdecidedbysb 表示 由 决定 由 负责 取决于 shallwegooutfordinner it suptoyou 补充完整下列句子 1it towalktoschooleveryday 每天我走路去学校花了20分钟的时间 2 thathestudiedabroadwhenhewasyoung 据说他年轻时在外国留学3itis cry overthespiltmilk 覆水难收 4itis thati thegreatwall 这是我第一次参观长城 5 sheissoangry 难怪她如此生气 itis welastmet 自从我们上次相遇已有三年 7it befor