高考英语It的用法(专项总结及训练)文档格式.doc
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⑹Itisthefirst（second...）timethat从句（从句用现在完成时havedone）
Itwasthefirst（second...）timethat从句（从句用过去完成时haddone）
常译为＂是第一
（二）．．．次．．．＂。
ItisthefirsttimeIhavebeenhere.=ThisisthefirsttimeIhavebeenhere
⑺Itisapity（ashame/anhonour/agoodthing/afact,/asurprise/...）that从句.
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。
①Itisapitythatsuchathing（should）happeninyourclass.这种事竟然发生在你们班上，真是遗憾！
②Itisapitythatheisill.他生病了，真遗憾！
⑻Ithappens（seems，looks，appears）that从句.常译为“碰巧…,似乎是…,看起来…”
①Ithappened（sohappened）thathemethisteacherinthestreet.碰巧．．.
②Itseemsthathewillbebackinafewdays.看来．．．
2.作形式主语替代不定式
.⑴Itiskind（ofsb.）todosth.不定式的逻辑主语是由of引起，主句中的形容词必须是能表示逻辑主语特征的褒义或贬义形容词。
常见的词有：
bad，brave，careless，clever，cruel，foolish，good（好心的），honest，horrible，kind，lazy，modest，naughty，nice（有教养的），polite，rude，silly，stupid，wise，wrong（错误的）等。
这个句型可以改写为：
sb.iskindtodosth.。
如:
Itiskindofyoutosayso.=Youarekindtosayso.
⑵Itisnecessary（forsb.）todosth..不定式的逻辑主语是由for引起，主句中的形容词通常是表示重要性，紧迫性，频繁程度，难易，安全等情况的中性形容词。
常见的形容词有：
important，necessary，naturaleasy，safe，common，normal，hard，difficult，dangerous，unusual，rare，impossible，pleasant
Itisimportantforhertocometotheparty.=Itisimportantthatshe（should）cometotheparty.
⑶Ittakessb....todosth.常译为＂做．．．要花费某人．．．＂。
IttookthousandsofpeoplemanyyearstobuildtheGreatWall.
3.作形式主语替代动名词短语
Itisnogood/nouse/uselessdoingsth.常译为“┅有好处或没有用”
①ItisnogoodlearningEnglishwithoutspeakingEnglish.
②It'
suselesstryingtoarguewithShylock.
五、作形式宾语，代替不定式，动名词短语或宾语从句。
Wethinkitimportanttolearnaforeignlanguage.
该句型中的it作形式宾语，该结构中常用的动词有：
think,believe,make,findconsider,feel；
如:
Wethinkitourdutytocleanourclassroomeveryday.
HefeltitimportantlearningEnglishwell.
Theyfounditdifficultthattheywouldfinishtheirworkintwodays.
TheInternetmakesiteasierforcompaniestokeepintouchwithcustomers.
六、.it的重要句型
1.强调句型:
Itis/was
+被强调部分+that从句（被强调的主语如果是人，that可以由who换用）
①Itwasabout600yearsagothatthefirstclockwithafaceandanhourhandwasmade.
②Itwastheythat（who）cleanedtheclassroomyesterday.
③ItwasinthestreetthatImetherfather.
④ItwasyesterdaythatImetherinthestreet.
⑤Itisyouthat/whoarewrong.
特例:
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.
Choosethebestanswer
1.It
took
us
over
an
hour
_______
along
the
street.
A.walk
B.to
walk
C.walking
D.walked
2.I
think
it
a
great
honour
_______to
visit
your
country.
A.to
invite
B.invitingC.having
invited
D.to
be
3.Many
people
now
make
_______a
rule
to
buy
cards
for
their
friends
before
Christmas.
A.themselves
B.it
C.that
D.this
4. _______is
very
clear
everyone
that
he'
s
round
and
tall
like
tree.
A.This
B.What
C.That
D.It
5.In
United
States,
bus
travel
doesn'
t
cost
much
as
train
travel,
_______?
A.don'
they
B.does
itC.do
D.doesn'
6.Someone
is
at
door,
who
A.this
B.that
C.it
D.he
7.—It
raining
cats
dogs.
— _______
.
A.So
is
B.So
itC.Neither
is D.Neither
8.—My
home
in
building
there.
—_______
?
A.Can
see
B.Can
see
itC.Can
seen
it
D.Can
9.
hard
3
hours
without
stopping.
A.It
is
B.It
was
C.It
has
been
had
been
10.—Has
boy
got
his
bicycle
now?
—Yes,
police
gave
_______.
A.him
him
B.it
C.it
him D.him
11.It'
no
use
_____ over
spilt
milk.
A.cry
B.crying
C.that
you
cry
D.for
cry
12.It
important
offer.
A.reject
B.rejects
C.to
reject
D.rejecting
13.Has
_______been
decided
when
we
are
hold
sports-meeting?
A.that
B.this
D.what
14.—Did
Li
Lei
call
me
while
I
was
out?
called
you.
A.him
B.he
C.who
D.whom
15.Nothing
wrong
with
radio
A.isn'
it
B.is
that
C.is
D.isn'
16.I
don'
know
_______makes
her
afraid
of
having
business
discussed.
A.what
about
Mary
thatB.that
abut
what
C.what
thatD.that
what
17..It
withgreat
joy
_______he
received
news
long
lost
son
would
return
home
A.as
C.so
D.for
18.I
_____difficult
Chinese
student
master
foreign
language
within
five
years
C.too
D.very
19.It'
second
time
_______late
this
week.
A.arrive
B.arrived
C.have
arrived
D.had
arrived
20.It
will
not
be _______we
meet
again.
A.long
before
B.before
longC.soon
after D.shortly
after
21.It'
demanded
_______there
on
foot.
A.not
go
B.don'
C.not
D.won'
go
22.“It”
often
used
_______a
baby.
A.mean
to
B.stick
to
C.point
D.refer
23.It
until
1936
_______ basketball
became
regular
part
Olympic
Games.
B.when
C.which
D.then
24. _______you
met
Englishman?
A.Where
that
B.Who
thatC.Where
that
D.Where
25._______that
she
gone
States?
A.Was
true
B.Is
trueC.It
true D.It
true
26. _______certain
invention
lead
development
production.
A.That'
s
B.This
C.It'
D.What'
27. _______in
1914
_______the
First
World
War
broke
that,
B.Was
when
C.Was
it.
that
D.Was
it,
28.It
_______with
Mr
Williams
immediately.
A.speak
B.spoke
C.will
speak
speak
29._______that
there′s
another
good
harvest
year.
says
said
D.He
said
30.Itis
first
play.
A.I'
ve
watched
B.I'
ll
watch
C.I
D.I
watch
参考答案
B1.B
2.D
3.B
4.D
5.B
6.C
7.A
8.D
9.C
10.C
11.B
12.C
13.C
14.B15C
16.A
17.B
18.B
19.C
20.A
21.C
22.D
23.A
24.C
25.B
26.C
27.C
28.A29.B
30.A
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