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Theuseof“It”㈠1.it作人称代词1.1.it的最基本用法是作人称代词,主要指刚提到的事物,以避免重复:Ningboisabeautifulcity,isn’tit?1.2.也可以指动物或婴儿(未知性别的婴儿或孩子):Isthisyourdog?No,itisn’t.1.3.也可指抽象事物:Itwasagreatsurprisetomewhenhedidathinglikethat.2.非人称代词itit有时并不指具体的东西,而泛指天气、时间、环境等,称为非人称的it:2.1.指天气:Itisalovelyday,isn’tit?Itisabitwindy.㈡.it的重要句型1.Itis+被强调部分+that...该句型是强调句型。将被强调的部分放在前面,其它部分置于that之后,被强调部分可以是主语,宾语,表语或状语,强调的主语如果是人,that可以由who换用。如果把这种句型结构划掉后,应该是一个完整无缺的句子;这也是判断强调句型与其它从句的方法。Itwasabout600yearsagothatthefirstclockwithafaceandanhourhandwasmade.Itwastheythat(who)cleanedtheclassroomyesterday.ItwasinthestreetthatImetherfather.2.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。ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.=NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.=Ididn’trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.3.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,肯定...)"是主语从句最常见的一种结构。Itisveryclearthathe’sroundandtalllikeatree.=Thathe’sroundandtalllikeatreeisveryclear.4.Itisimportant(necessary,right,strange,natural...)that...该句型和上一个同属一个句型;由于主句中的形容词不同,that后的从句中要用虚拟语气(should+动词原形),should可以省去,建议记住该句型中的形容词。Itisimportantthatwe(should)learnEnglishwell.Itisnecessarythathe(should)rememberthesewords.5.Itissaid(reported,learned....)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.6.Itissuggested(ordered/demanded/insisted/commanded...)that...该句型和上一个同属一个句型,主句中的过去分词是表示请求,建议,命令等词时,that后的从句要用虚拟语气(should+动词原形),should可以省;常译为"据建议;有命令...)Itissuggestedthatthemeeting(should)beputoff.Itwasorderedthatwe(should)arrivethereintwohours.7.Itisapity(ashame...)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。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!8.Itistime(abouttime,hightime)that...该句型中that后的从句应该用虚拟语气,值得注意的是①常