it用法小结.docx
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it用法小结.docx
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it用法小结
It用法小结
一、用于指人以外的一切生物、无生命的东西和事情。
1.指动物和植物。
—Oh,it'sLucy'shat.—Itlookslikeacat!
Where'steagrown?
It'sgrowninthesoutheastofChina.
2.指代一些无生命的东西。
Isityourwatch?
?
3.代替上文提到过的整个事情。
如:
Youmustn'tplayontheroad.It'sdangerous.
Hismothertoldhimtostudyhard,butitdidn’thelp.
二、用于指代人。
1.指代说话者心目中不太清楚的那个人,常在打电话或敲门时用。
—Whoisknockingatthedoor?
谁在敲门?
—It'sme.是我。
2.指代性别不详的婴幼儿或在不计较性别时,也可用it来指人。
如
Thechildsmiledwhenitsawitsmother.这小孩一见到母亲就笑了。
Idon'tknowwhoitis.我不知道他是谁。
3..在回答用指示代词表示人的特殊问句时,常用it指人。
如:
—Who'sthat?
—IsitKate?
三、用于指时间、距离和自然现象等。
1.表示时间。
—Whattimeisit?
—It'sten.
It'ssummerinAustralianow.。
2.表示距离。
如:
It'shalfanhour'swalkfrommyhometotheschool.
—Where'sthefarm,LiLei?
Isitfar?
—No,it'squitenear.
3.表示自然现象。
如:
Sometimesitsnowsandthelandisallwhite.
Itisveryquiethereatthemoment.眼下这儿很安静。
四、用作形式主语。
1.It+is/was+形容词+(for/ofsb.)+动词不定式短语。
Itisinterestingtoplaywithsnowinwinter.
It'simportantforustokeepthewaterclean.
It'sverykindofyoutosayso.
2.注意:
这一句式中的形容词位置也可换用名词;连系动词be也可换用其它连系动词,
It’sapity/afactthat/wh-clause
It'sagoodhabittogetupearlyandgotobedearly.
Itmustbegreatfuntoflytothemooninaspaceship.
3.ithappens/occurstosb.+that从句中。
Ithappenedthatwehadmetsomewhere.
ItoccurredtomethatIshouldaskthepoliceforhelp.
4.It+willbe/is/was+nouse/nogood/uselessdoingsth.
It'sbadplayinginthestreet.
Isitanygoodtryingagain?
5.It+is/was+形容词+从句。
Itiscertainthathewillcome.
It'struethathemayfallbehindtheotherstudents.
Itisnatural/possible/strangethatheshouldsayso.(虚拟语气)
5.Ittakes(sb.)sometimetodosth.意为“(某人)花……时间做某事”。
如Ittookmeaweektofinishreadingthebook.
6.a)Itseems/seemed/appears+从句。
译为“看起来好像……”,此结构可以转换成“seem+动词不定式”形式。
如:
Itseemsthatheisill.=Heseemstobeill.看起来他好像病了。
b)Itseems/remains/happensthat/wh-clause似乎,碰巧
=sb.seems/remains/happenstodo…
7.Itseemsasifweshouldfinishittomorrow.
c)Itoccurredtomethat/wh-clause我突然想到
8.Itdoesn’tmatterwh-clause…没有关系
Itmakesnodifferencethat/wh-clause…没有区别
9.It’ssaid/reported/believedthat/wh-clause
=sb.besaid/reported/believedtodo…
五、用作形式宾语。
make/think/find/feel/consider+it+adj.+todo
Hefounditnoteasytolearnaforeignlanguagewell.
Wethinkitnogoodreadinginbed.
Ithinkitnecessarythatwehavethemeeting.
六.构成强调句。
ItwasinthestreetthatIsawLiPingthismorning.
ItwasNancywhosawyoursisterinTokyolastweek.
ItwasyoursisterwhomNancysawinTokyolastweek.
ItwasinTokyothatNancysawyoursisterlastweek.
ItwaslastweekthatNancysawyoursisterinTokyo.
Itwasn’tuntillastsummerthatIheardfromher.
Itwasn’tformyselfthatIdidallthis.
Whowasitthatcalledhim“comrade”?
Howwasitthatyouforgottolockthedoor?
六.几组容易混淆的it句型结构
①. It’s(high/about)time….
Time之后可以接介词短语,动词不定式,that从句等,谓语动词需用虚拟语气“should+动词原形,或者动词的过去式”
It’s(about)timethatweshouldgo/wenttobed.
It’s(about)timeforustogotobed
②. It/this/that+is/was/willbe+thefirst(second….)time+that-clause
Thisisthefourthtime(that)shehasrungyoutoday.
Itwasthesecondtime(that)IhadvisitedtheGreatWalllastyear.
③. Itwas/willbelong(hours,days,years,etc)+before+clause
Itwillbetwoyearsbeforewemeetagain.
ItwasalongtimebeforeIgottosleepagainlastnight.
④. Itis/hasbeen+years(days,weeks,months,etc.)+since-clause
-----Whatwasthepartylike?
-----Wonderful.It’syearssinceIenjoyedmyselfsomuch.
Itis(hasbeen)fiveyearssinceIbegantolearnEnglish.
⑤. Itis/was+具体的时间点+when-clause
本结构是定语从句句型,具体的时间是现行词,关系副词when引导定语从句。
Itis6o'clockwhenIgohomefromschooleveryday.
Itwasfiveo’clockintheafternoonwhentheyclimbeduptothetopofthemountain.
七.交际用语
1.makeit/manageit/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.asitis
(1)相当于infact,inreality表示“事实上,实际情况是……”
Wehadplanedtofinishthetasktoday,butasitisweprobablywon'tfinishituntilnextweek.
(2)相当于方式状语从句,表示“照原样”
Leavethetableasitis.
3.that'sit
(1)相当于That'sall.That'ssomuch.表示“至此为止,没有别的了”
例 Youcanhaveonemoresweet,andthat'sit.
(2)相当于That'sright.表示“对啦”
例 —Iguessthekeytotheproblemisthechoice“A”
—That'sit.
4.catchit
在口语中,相当于bepunished/scoldedfordoingsth.wrong.表示“因做错事而挨骂,受责备,受批评,受惩罚”
例 We'llreallycatchitformourteacherifwe'relateforclassagain.
5.getit=understandit
6.Takeit/thingseasy.
相当于Don'tworryordon'thurry.用来劝告别人,表示“不要慌,别担心,存住气”
7. Takeiteasy!
Hewilldoitwell.
8.Believeitornot.表示“信不信由你”
例 Believeitornot,TomisgettingmarriedtoMarynextSunday.
9.Italldepends/thatalldepends
在口语中,相当于ithasn'tbeendecidedyet,表示“那得看情况,还没有定下来”
例 —Areyougoingtothecountrysideforholiday?
—It/Thatalldepends.
10.It'suptosb.
在口语中,相当于it'sdecidedbysb.表示“由……决定,由……负责,取决于……”
例 —Shallwegooutfordinner?
—It'suptoyou.
八.特殊句型
1.whenitcomesto(doing)sth.
Whenitcomestocomputergames,heisquiteanexpert.
2.It+is/was+one'sturn(duty,pleasure)+todosth.意为“该轮到某人做某事(做某事是某人的责任、愉悦的事)”。
如:
It'syourturntobeondutytomorrow.
It’smyturntolookafterthebaby.
3.ifitweren’tfor...或ifithadnotbeenfor...
Ifitweren’tformyjob,Iwouldcomewithyou.
Ifithadn’tbeenforyourhelp,Iwouldneverhavesucceeded
4.itis/wasthefirst/secondtimethat...
It’sthefirsttimethatIhaveheardhersing.
5.itisnowonderthat...
Itisnowonderthathegotthefirstplaceintheexam.
6.Itookitforgranted(that)youwouldbecoming.
7.Hehasn’tmadeitclearwhenheiscomingback.
8.Theyhaven’tmadeitknownwherethemeetingistotakeplace.
9.Ihateitwhenpeoplespeakwiththeirmouthsfull.
10.Iappreciateitifhedoesn’tcometomybirthdayparty.
11.Itmakesnodifferencewhetherwegobytrainorbyboat.
4).IfconvenienttoyouIwillcometoseeyouthisevening.要是你方便的话,我今晚来看你。
(ifconvenienttoyou=ifitisconvenienttoyou)
拓展
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