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高中英语it的用法课件
2022-05-05 | 阅:  转:  |  分享 
  
ItisfivemonthssinceIarrivedinNewYork.我到纽约已经五个月了。Itis
fivemonthssinceIwasinNewYork.我离开纽约已经五个月了。(注意:终止性动词表示从动作
发生时算起;如果是状态动词或持续性动词,则从动作或状态结束时算起。)10.特殊句型:Itwillbe+段时间+befor
e+clause:要过---才---Itwillnotbelongbefore+clause:用不了---就---
我们要过好几年才能再见面。Itwillbeseveralyearsbeforewemeetagain.用
不了多久他们就会出发去前线。Itwillnotbelongbeforetheysetoutforthef
ront.was+时间段+before…“过了...之后---才itwasnotlo
ngbefore…“没过多久…就Itwastwohoursbeforethefiremanarriv
edhere.Itwasnotlongbeforethefiremanarrivedhere.两
个小时之后消防员才到.没过多久消防员就到了.11.Itis/was...when...区别于itis/was...
that...Itwasat5o’clockthathecamehere.Itwas5o’c
lockwhenhecamehere.12.Ithappens(seems,appears)that.
..Hehappenedtomeethisteacherinthestreet.=Ithappened(
sohappened)thathemethisteacherinthestreet.Heseems
tohaveknownthenews.=Itseemsthathehasknownthenews.
13.Itisuptosb.todosth…应由某人决定做某事。由你决定我们是否开始。Itisup
toyoutodecidewhetherwestartornot.14.Ittakessb....
todosth.Itcostssb.somemoneytodosth.成千上万的人花费了许多年来建
造长城。IttookthousandsofpeoplemanyyearstobuildtheGreatW
all.15.Itisnogood(use)doingsth.只学而不说英语是不好的。
ItisnogoodlearningEnglishwithoutspeakingEnglish.16
.Itiskind(ofsb.)todosth.形容词必须是能表示逻辑主语特征的形容词。常见的有:b
ad,brave,careless,clever,cruel,foolish,good(好心的),hon
est,horrible,kind,lazy,modest,naughty,nice(有教养的),pol
ite,rude,silly,stupid,wise,wrong(错误的)等。Youareveryk
indtosayso.=Itisverykindofyoutosayso.17.Itisn
ecessary(forsb.)todosth.常见的形容词有:important,necessary,n
aturaleasy,safe,common,normal,hard,difficult,dangero
us,unusual,rare,impossible,pleasant等。如:Itisimportant
thatshe(should)cometotheparty.=Itisimportantforhert
ocometotheparty.在一些固定用法中考查常见的固定用法有:makeit成功,安排在或定在某
时间forgetit别提了,忘了它吧Don’tmentionit别提了,表示不用谢Itdoesn’tmat
ter没关系It(That)depends视情况而定Youguessedit你猜着了It’shardt
osay很难说It’suptoyoutodosth.由你来决定做某事Itistheabilityt
odothejob__mattersnotwhereyoucomefromorwhatyouare.
A.oneB.thatC.whatD.itItis/was+被强调的部分
+that/who+句子其他成分强调句型高考真题Itwas___backhomeafterthe
experiment.A.notuntilmidnightdidhegoB.untilmid
nightthathedidn’tgoC.notuntilmidnightthathewent
D.untilmidnightwhenhedidn’tgoInwhichplayis___y
ourbrotherappears?A.thatwhereB.thiswhenC.itt
hatD.itwhereItwasinthelab___wastakencharge
ofbyProfessorZhang___theydidtheexperiment.A.where
;thatB.which;whereC.that;where
D.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?
TheParkersboughtanewhousebut___willneedalotofworkb
eforetheycanmovein.A.theyB.itC.oneD.wh
ich2.We’vebeenlookingathousesbuthaven’tfound___welike
yet.A.oneB.onesC.itD.them3.I’mmovingto
thecountrysidebecausetheairthereismuchfresherthan___in
thecity.A.onesB.oneC.thatD.those易误辨析:it/
one/thatBACthehousethattheParkersboughtahousethea
ir1.It’syears___(since,before,after,that)Ipaintedthisbe
autifulpicture.2.Itwillbeyears___(since,before,after,
that)Ipaintthisbeautifulpicture.3.Itwasyears___(since,
before,after,that)Ipaintedthisbeautifulpicture.4.It’sf
oryears___(since,before,after,that)Ihavepaintedthisbeau
tifulpicture.易误辨析:表示从since从句谓语动作发生以后到现在所经过的一段时间,译为“自从......以
来已多久了”Itis+时间段+since(过去时)...表示从过去某一时间到before从句谓语动作发生所经过的一段时间
,译为“多长时间后才/就做了…”It+was+时间段+before(过去时)…表示从现在起到before从句谓语动
作发生所经过的一段时间,译为“多长时间后才会/就会做…”It+willbe+时间段+before(一般现在时)…__
____________________Translatethefollowing:过了很久他才回来.2.
我们很久后才会见面的.3.我离开这所学校已经很久了.Itwaslongbeforehecameback.
Itwillbelongbeforewemeetagain.ItislongsinceIleftth
isschool.Itis+时间段+since(过去时)...It+willbe+时间段+before(一般现
在时)…It+was+时间段+before(过去时)…易误辨析:.carefulperson.
-Whatdoyouthinkofthemovie?-It’soneofthebestmov
iesthatI’veseen.Whoisit?---Whoisknockingatthedoor?
---It''smaybeTom.Itiscrying.Itmightbehungry.—“Whoisi
toverthere?”—“Itmustbeheadmaster.”—“No,itcan’t
behim,forhehasgonetoParis.”It
canbe
usedaspersonalpronouns,referringtotheperson,animalo
rmattermentionedabove,orthepersonwhoyouaren
otsureofgender.summary1____wasa
sunnyday.Peterdecidedtogoforawalktothepark,though__
___wastwomilesaway.___wassocomfortabletowalkonthestr
eet.itItItSuddenly___begantorain.Hefound__hardto
walkthere.Thenhetookabushome.Unfortunately___wentwron
g.Whenhegothome,hewaswetthrough.Thus___wasadaythat
hewouldneverforget.ititititEg:Itwasasunnyday.Peter
decidedtogoforawalktothepark,thoughitwastwo
milesaway.Summary2Itcanbeusedasimpersonalpronouns
totalkabouttime,date,distanceorweatherandsoon.Readand
analyzethefollowingsentences.ItisFridaytoday.Itwasvery
coldlastMonday.Itisabout8:30now.Itisabout25kmfromL
ongxiantoBazi.ItliesinthesouthofShaoguancity.Itis40°
C!Yougotahighfever!Question:Whatdoes“it”inthesesente
ncesreferto?Conclusion:it可以用作非人称代词,表示_____,_____,______,___
___,______,______,等。DateweathertimedistanceplaceTemperatur
e日期天气时间距离地点温度1.
S+think+it+necessary+(forsb.)todosth.
Thechairmanthought___nece
ssarytoinviteProfessorSmithtospeakatthemeeting.(05全国)A.
thatB.itC.thisD.himSentencepatterns:B…find
…possiblefeel…important…/clause形式宾语
2.
S+V+it+one’sduty+(forsb.)todosth./clau
se3.S+V+it+no
good+doingsth.nouse形式
宾语Ithinkithisdutytocleantheblackboard.Sentencepatterns
:…aruleanhonour………
findpossibleS+think+it+ne
cessary+(forsb.)todosth./clausefeel
important……Sentenc
epatterns:形式宾语…
arule2.S+V+it+one’s
duty+(forsb.)todosth./clause
anhonour…3.S+
V+it+nogood+doingsth.
nouseIlike___intheautumnwhentheweatherisclear
andbright.(04全国)A.thisB.thatC.itD.one点拨:这是it作形式
宾语的一种特殊用法.少数动词(如like,love,enjoy,dislike,hate,don''tmind,appr
eciate,feellike等)或包含介词的动词短语(如seeto,dependon,befondof等)后接宾语从
句,必须先由it担任形式宾语,再接从句.Ilike(enjoy,hate…)itwhen….Iwouldappr
eciateitif……seeto(dependon…)itthat…Sentencepatterns:C
形式宾语oweittosb+连词+clause把…归功于…bringit
tosb+连词+clause把…带给某人sbleaveittosbtodo\+连词+clau
se把…留给某人去做takeitforgranted+连词+clause某人想当然…
keepitinmind+连词+clause牢记…形式宾语Shetook____fo
rgrantedthathewaslikedbyallthepeople.A.
thisB.thatC.itD.oneC请牢记你是一名中国人
。Pleasekeepitinmindthatyouareachineseman.她把她变得越来越好归功
于我。Sheowedittomethatsheisgettingbetterandbetter.1.I
tisnecessarytobepreparedforajobinterview.2.TheForeig
nMinistersaid,“Itisourhopethatthetwosideswillworktow
ardspeace.”3.Itisknowntoeverybodythatthemoontravelsro
undtheearthonceeverymonth.形式主语高考真题㈡.it的重要句型1.Itis+被强
调部分+that...正是他们昨天打扫了教室。Itwastheythat(who)cleane
dtheclassroomyesterday.正是在街上我遇见了我的同学。Itwasinthestreet
thatImetmyclassmates.Ididn’trealizeshewasafamousfi
lmstaruntilshetookoffherdarkglasses.=Itwasnotuntils
hetookoffherdarkglassesthatIrealizedshewasafamousfil
mstar.=NotuntilshetookoffherdarkglassesdidIrealize
shewasafamousfilmstar.2.Itisclear(obvious,true,p
ossible,certain....)that.....Thathe’sroundandtalllik
eatreeisveryclear.=Itisveryclearthathe’sroundandta
lllikeatree.3.Itissaid(reported,learned....)that
...常译为"据说(据报道,据悉...)"。Itisreportedthatanotherearthsatel
litehasbeenputintoorbit.据说他已经来了北京。Itissaidthathe
hascometoBeijing.4.Itisimportant(necessary,strang
e,natural...)that...Itisimportantthat___________________
(我们应该学好英语)Itisnecessarythat___________________(我们应该记下这些单词
)5.Itissuggested(ordered/demanded/insisted/commanded...)
that...据建议会议要推迟。Itissuggestedthatthemeeting(should)
beputoff.据命令我们要在两小时后到达。Itwasorderedthatwe(should)
arrivethereintwohours.6.Itisapity(ashame...)that...这种事竟然发生在你们班上,真是遗憾!Itisapitythatsuchathing(should)happeninyourclass.他生病了,真遗憾!Itisapitythatheisill.7.Itistime(abouttime,hightime)that...翻译为___________是孩子们睡觉的时间了。Itistimethatchildrenshouldgotobed.=Itistimethatchildrenwenttobed.8.Itis/wasthefirst(second...)timethat...Itisthefirsttime_________________.(我第一次来这)Itwasthefirsttime_______________.9.Itis/was+一段时间+since...。Itis5yearssincehisfatherdied.Itwas5yearssincehisfather______.他离开已经有三年了。Itis3yearssinceheleft.
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