It及There的用法归纳课件.ppt

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1、It及There的用法归纳课件形式主语it有下面几种类型：Be+形容词+不定式It’sbettertobeearly.Be+名词+不定式Itwashisdutytotakecareoftheorphans.Be+介词短语+不定式It’sbeyondmetosaywhy.It+及物动词+宾语+不定式Itmakesmesicktothinkaboutit.Be+名词+动名词It’snogoodstandinghereinthecold.Be+形容词+动名词It’shelplesstryingtoconvinceher.其他结构+

2、动名词Itdoesn’tmatterwaitingafewmoredays.it最基本的用法是人称代词，主要代表刚提到的东西以避免重复。Eg1:Lookatthatcar.It’sgoingmuchtoofast.Eg2:Whereisthecarkey?----Iputitinyourdrawer.也可以代表抽象的东西。Eg:It’sallmyfault.也可以指动物或未知性别的婴儿。Eg1:Whatabeautifulbaby---isitaboy?Eg2:Howaboutthebaby?---I’lltakecareo

3、fit.还可代表一个彼此都知其何所指的东西。Eg1:Wheredoesithurt?Eg2:Ifhedoesn’tcome,Ican’thelpit.Eg3:Youhavesavedmylife.Ishallneverforgetit.`非人称代词itIt用于代替指示代词，It可以表示“是谁（在某处或做某事）”Eg1:“Who’sthat?”“It’sme.”Eg2:It’syourmotheronthephone.Eg3:“Why,it’syou!”shecried.It还可以用来泛指某件事。Eg1:Isn’titawfu

4、l!Eg2:Itdoesn’tmatter.it有时并不指具体东西，而指天气、时间、环境、距离等，称为非人称代词it.Eg1:It’sraining.Eg2:It’sTuesdaytoday.Eg3:It’squiethere.Eg4:It’stwomilestothebeach.用于由that引导的主语从句，有下面几种类型：it+be+形容词+that从句：eg:Itisnaturalthattheyshouldhavedifferentviews.it+be+名词+that从句:eg:It’sashamethatyou’

5、resick.it+动词（+宾语）+that从句eg:Ithappenedthatshewasn’tinthatday.Eg2:Itneveroccurredtomethatperhapsshewaslying.It+动词的被动语态(said/believed/thought/expected/reported/known+that从句eg:It’ssaidthattherehasbeenanearthquakeinIndia.形式宾语itit可以代表不定式：Eg1:Shefounditdifficulttoconvince

6、him.Eg2:Hefeltithisdutytotakecareofthem.It代表that引导的从句：Eg:Itookitforgranted(that)youwouldbecoming.It间或代表连接代（副）词引导的从句：Eg1:Hehasn’tmadeitclearwhenheiscomingback.Eg2:Theyhaven’tmadeitknownwherethemeetingistotakeplace.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

7、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.用it起始的句型归纳：2.Itisnotuntil

8、+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.