“It”用法及其句型和固定搭配讲解

发布 2021-04-19 12:08:28 阅读 2148

“it”用法及其句型和固定搭配讲解。

it”用法及其句型和固定搭配讲解。

it”用法及其句型和固定搭配,是高中英语语法的重点、难点,又是近几年高考的热点,因此应给予充分的重视,现将it用法归纳如下:

一、it用作实词。

表达以下概念:指代前文提到的事物,前文中的this,that;替代前文中的内容;指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代时间、天气、气候、距离等自然现象……

二、it用作形式主语。

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。

it作形式主语的常见句型:

.代作主语的动词不定式,其句型为。

1)it be

adj.(forsb.)todoth.

此处adj.通常为描述事件的形容词:easy,difficult,hard,necessary,unnecessary,possible,impossible,likely,unlikely,rightwrong,important,unimportant,legal,illegal,well-mannered,ill-mannerd,polite,impolite,clear,obvious,certain,uitable,proper,fit,useful,useless,dangerous…例。

itisillegal(for

eenager)to

drivecarwithoutalicense.

2)itbe adj.

ofsb. to

o sth.

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,stpid,clever,wise,cry.

例。it'skindf

youto help me

withhe problem.

3)it替代作主语的动名词的常见句型。

it'sno

ood/use

doing…

t'swell)worth

doing…

it's(well)worth one's

whiledoing/to do…

it's(well)worth

whiledoing/ to do

例。t's no use

crying

verspilt milk.

2. it替代作主语的从句常见句型。

1)it is+

noun从句。例。it

isnosecretthat

thepresident

antsto

haveaecondtermat

office.

2)it is adj. +clause

t'ssurprising

that…(should)…

…竟然……it's

apity/shame

that…(should)…

…竟然……例。

it's important

thatyoushould apologize to

her for

yourrudeness.(=it'sofmuchimportance

thatyou

should

apologizetoherfor

your rudeness.)

3)iterb

sb. +clause= itis v-ing +clause

bother/concern/frghten/please/angersb.that…

it”用法及其句型和固定搭配讲解。例。it

worriedme

thatshedroveso

fast.(=

itasworryingthat

hedrove

sofast.)

4)itverb(to

sb.)that…= sb/sth

verbto

doverb

ppear,seem,come

about,emerge,fow,chance,happen,occur,transpire,turn out

work out)

例。t(so)happened/chanced

thatthey

wereout.(=

theyhappened/chanced

tobeout.)

5)it is v-ed

that…=sb/sth

sto do

verb=say,report,think,believe,hope,expect,agree,accept,decide,determine,intend,pan,understand,know)

例。itissaidthatthe

couplehave

gotten

ivorced.(=the

coupleare

said to h**e gottendivorced.)

6)itis

v-edthat…(should)

verb=demand,request,require,order,suggst,avise,recommend

例。it is

suggested that

theyshould

begin with the

thirduestion.“it”用法及其句型和固定搭配讲解。

17:14:05.0中国高中生网()

三、it作主语的句型。

it takes sb.

todo…(=sbtakes…to

o…)某人用多长时间做某事。例。it

took the men

weekto mend

ourroof.(=the men

took aweek to

mendour

roof.)

2. it's(just)(un)like sb.

to do…(不)像某人做某事的风格。例。

as(just)likehim

o think of

helpingus.

3. it's(about/high)time that…

should /v-ed…是该做某事的时候了。

例。it's(about/high)time

thatwe should

takeaction.

it'she x-th time(that)…

h**e v-ed…第几次做某事了。

例。it's the third time

thathehas failed

hedrivingest.

itis/hasbeen…

sincecontinuous

v-ed(延续性动词)某动作已有多长时间不发生了。

例。it's 10 years

that he livedhere

itwas(not)…

before…过(不)了多长时间某动作发生了。例。it

was not

long before theyarrived.

四、it作形式宾语。

用来替代作宾语的从句、动词不定式、动名词,而把真正作宾语的从句、动词不定式、动名词置于句尾。

it作形式宾语的常见句型:

verb+it+adj./noun(for/of)to

do/clause

verb=think,believe,suppose,consider,feel,make,keep…)

例。ithink

it hardfor

you to do

hetask on your own./i

think it hardthat

you'll do the

ask on

yourown.

verb+it+adj./noun(one's)doing(adj.=useless/worth/wothwhile)(noun=n

se/nogood/orth

one'swhile/a

wastef

time/money/energy/wos)(vrb=think,believe,suppose,consider,feel,make,keep…)

it”用法及其句型和固定搭配讲解。

例。i'll

ake it

worthourwhile telling

meabout

his secret.

.verb+it+

that…(should)…

verb+it+ofmuch/great/no/little

importance

that…(should)…

verb=thinkbelieve,suppose,consider,feel,make,keep…)

例。i think

itimportant thatyou(should)attendthe conference.

verb+it+as+

oun/adj.+

clause(vrb=accept,regard,take,see,view)

例。thelecturertakes

itasencouragingwhenso

manystudentsattend his

ecture.

prep.

that…owe

o sb.that…把…归功于…

le**eit

to sbthat…把…留给某人去做。

akeit for

ranted that

想当然。keep

it inmind that…

例。don'tbotherto

arrangeanything.

juste**eitto

metoortout.

it用在不能直接跟宾语从句的动词后面,尤其是表示好恶的动词后,enjoy,like,love,dislike,resent,hate,don't

mind,be

fondof,feellike,seeto

宾语从句紧跟it之后。

例。i hate

ityou can

swimso well andi

can't.

7. it用在不能直接跟宾语从句的介词后面,宾语从句紧跟it之后(exceptthat例外)例。i'm

for it

that you will

ollowtheir

dvice.

五、强调句型。

tis/was+被强调部分+that(who)…

强调句型用来强调谓语动词以外的任何句子成分。当被强调部分是人时也可以用who.

在使用强调句型时需注意以下几点:

请注意强调句型的特殊疑问句。

例。whenwasit

thathe changed

ismindto

akepartinthe activity?

.在强调原因状语从句时,只能强调由because所引导的从句。

例。it was

because he was ill that

hedidn't come

to school

esterday.

3.在强调not…

until结构时必须把not与until一起放到被强调的位置上。例。t

as not until she

took off her

arkglasses

hat i realizedshewasmybrother.

4.注意强调句型与定语从句的区别。例。it

was at7

o'clock

that he came here yesterday.(强调句型)twas

o'clock

whenhe came here yesterday.(定语从句)

六、it常用的固定搭配。

1. 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。t's

hardto make it to thetop

in show business.

2)在口语中相当于fix the date for,表示“约定好时间”

例。shall

e meet next

week?it”用法及其句型和固定搭配讲解。

ok. we just makeit

ext saturday.

2. asit is

1)相当于in

fact,in reality表示“事实上,实际情况是……”

例。we had planed

tofinish the task today,but

asit is we

robably won't finish

untilnext week.

2)相当于方式状语从句,表示“照原样”

例。le**e the

tableas itis.

it were

相当于asone might

say,that is to

say,表示“也就是说,可以说,换句话说”例。he

is,asit were,amodern

herlock

holmes.

fit weren'tfor…/if it hadn't

beenfor…

用来引导虚拟语气,相当于without,orbut

or,表示“如果不是……,要不是……”例。if

t weren'tfor

tom,i wouldn't be alive today.

that'sit

1)相当于that's all.

hat's so much.表示“至此为止,没有别的了”例。you

canh**e one more sweet,and that's

it.2)相当于。

hat's right.表示“对啦”

例。guess the key

to the problem

isthechoice“a”

that's it.

6. catchit

在口语中,相当于be punished/scoldedfordoing

sth.wrong.表示“因做错事而挨骂,受责备,受批评,受惩罚”

例。e'll

really

catchit

formourteacherifwe'relate

forclass

again.

.h**eit

1)相当于say,insist表示“说,主张,表明,硬说”

例。rumour hasit thattheyare getting divorced.

2)相当于get to

knowsomething,表示“了解,知道,获悉”

例。i had it from

ohnthat

hewasgoing abroad.

8. h**e

what it takes

在口语中,相当于be

well qualified

or,表示“具有成功的条件”例。you

cantake

itfrom

methat

yourdaughterhas

hatittakes

to bea star.

9.so it seems

appears.

10.keep at

it!(don't

giveup!)

相当于go on,表示“继续做,不放弃”

例。y teacher asked me

to keepat it.

1. go it!(go on!)拼命干,莽撞。

2. now

youh**e

doneit!(you

avedonesth. wrong.)

nowyou'll catch

it!(you'll

bepunished.)

14. as

it happened,…

在口语中,相当于it's a pity

that…,表示“真不凑巧,真遗憾”

例。asit happened,they wereout.

it”用法及其句型和固定搭配讲解。

15. asit

turned out,…

在口语中,相当于itwasfound tobein

the end,表示“最后被证明是”

例。as it turned out,his statement wasalse.

such as

it is(they

are)在口语中,相当于although it

ay not beworth

much,表示“虽然没有多大价值”

例。you can

borrow my exam

notebook,such

as it is.

take it/things

easy.相当于don't

worryr don't

hurry.用来劝告别人,表示“不要慌,别担心,存住气”

例。takeit

easy!he willdoit

well.

take it fromme.

在口语中,相当于believe me what

say.表示“请相信我的话,我敢担保”例。you

can takeit from me

that he willmake

itthis time.

9. for what it

s worth…

在口语中,相当于althoughi'mot

sure it's of

alue,表示“不管其价值如何”

例。ere is the article

i promise you,forwhatit's

worth.

orthit

在口语中,相当于useful,表示“有好处,值得做”

例。on'thesitate

aboutit!

it'sworth

it.1. believeitor

not.表示“信不信由你”

例。believe it or not,tom is

getting married to mary

next sunday.

2. take

itor leave

t. v.要么接受要么放弃。

例。hat is my last

offer. you can

take it orle**e it.

23. it all depends/that

all depends

在口语中,相当于ithasn'tbeen

ecidedyet,表示“那得看情况,还没有定下来”例。are

yougoingto the

countryside

forholiday?

it/that

all depends.

it'sp to

sb.在口语中,相当于it's decided

y sb.表示“由……决定,由……负责,取决于……”

例。shall wego out for dinner?

it'sup toyou。

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