牛津譯林版必修三Unit2-IT的用法課件

The

Practical

Usages

of

“

”1Appreciation2is

never

too

old

to

learn.活到老,學到老。never

rains

but

it

pours(潑水).不鳴則已,一鳴驚人。takes

three

generations(代)tomake

agentleman.十年樹木,百年樹人1.

It2.

It3.

It用作代詞（group1）用作形式主語（group2）用作形式賓語（group3）用在強調(diào)句型（group4）用在固定結(jié)構(gòu)（group5）高考鏈接3

自主學習（I）

IT用作代詞4IT常指先前已提到的事物，以避免重復。IT也可指代性別不詳?shù)娜嘶蛑笅胗變骸T指代日期、時間、天氣、環(huán)境、距離、度量衡等。IT

&

ONEIT和ONE都表“一個”，代指前文提到的事物，但IT指“同一個”，而ONE指“同一類”，通常one之前或之后一定有修飾語來加以區(qū)別。I

had

a

good

pen,

but

I

lost

it

yesterday.

I’ll

buya

newone

tomorrow.1.---

Have

you

seen

a

whalealive?---Yes,I’veeverseen

.A.

that B.

it C.

such D.

one2.

I

was

disappointed

with

the

film

I

saw

yesterday.Ihadexpected

to

be

muchbetter.A.

that B.

this C.

one D.

it5

自主學習（II）

IT用作形式主語，真正主語：不定式、動名詞或從句注意：It

is

useless

doing

sthIt

is

no

use

doing

sthIt

is

no

good

doing

sthIt

is

a

waste

of

timedoing61.Itisgood

you

to

have

given

me

so

much

help.D.

withA.

of B.

for C.

to2.

to

go

theretoday.A.

There

is

not

need

for

youC.

It

is

not

necessary

for

you7B.

Youneedn’tD.

It

is

no

need

for

youCompare:It’s+adj+for

sb

to

do

sth(事物)

It’s

+adj

+of

sb

to

do

sth

（人，帶情感）

常考的IT 作形式主語 從句作真正的主語的四種句型1.

IT

+

vi.

+

clause

…(碰巧)she

wasn’t

in

that

day.2.

IT

+

be

+

n.

+

clause

…

It’s

a

puzzle

how

lifebegan.Trans.:8。It

happened

that生命如何開始的是個謎IT

+

be

+

adj

+

clause

…It

is

strange

that(很奇怪)he

should

say

so.IT

+be

+

done

+從句

據(jù)說、據(jù)報道、據(jù)信…

…It

is

said

/

reported

/believed

/

suggested that

…Itissuggestedthattheexperiment

(should)

bedone(do)

with

great

care.Compare:?is

known

to

us

all

is

that

theChineseGovernment

has

spared

no

efforts

to

protectthe

poor

fromhunger.??9is

known

to

us

all

that

theChinese...is

known

to

us

all

,

the

Chinese

…AsWhatIt自主學習（III）IT用作形式賓語1.Sb

+think

/

believe

/

consider

/

find

/

feel

/make

+

it

+

adj.

/

n.

+

to

do

/

doing

…

/clause

…2.有些表喜怒哀樂的動詞如：hate,enjoy,dislike,appreciate,和短語如see

to(保證)，depend

on,take…for

granted(認為…理所當然)先用it作形式賓語，再接從句作真正的賓語。.10T/F11I

dislike when

you

whistle.(

F

)我不愛聽你吹口哨。when

前面加itWe

really

appreciate

it

when

she

offered

tohelp

.(

T

)她來幫忙了，我們十分感激。He

feels

it

his

duty

helpothers.(

F

) help

前面加to

自主學習（IV ）

IT用在強調(diào)結(jié)構(gòu)中強調(diào)句結(jié)構(gòu)：It

is/was+被強調(diào)部分（主，賓，狀語）

+that+剩余部分一般疑問句：Is

/was

it+被強調(diào)部分（主，賓，狀語）

+that+剩余部分特殊疑問句：Wh-+is/was

it

that+剩余部分？固定強調(diào)句式：It

was

not

until…that…（直到…才…）12Exercises:Isitinthatfactory

“Red

Flag”

cars

are

made?A.

inwhich B.

where C.

that D.

whichIsitthefactory

you

worked

with

the

workers?A.

inwhich B.

there C.

in

that D.thatWhodoyouthink

has

won

the

first

prize?A.

that

is

it B.

that

it

is C.

it

is

that D.

is

it

that13

自主學習（V）

IT用在固定結(jié)構(gòu)中It+is/has

been+一段時間+since

+v.(過去時)…自從

…已經(jīng)有多少時間了It+will

be+一段時間+before

+v.(現(xiàn)在時)…還要多少時間才…---

What

was

the

party

like?---Wonderful.It’syears

I

enjoyed

myself

so

much.A.after B.

before C.when D.

since14IT用在固定結(jié)構(gòu)中**

該是Sb做某事的時候了。It

is

time

(for

sb)to

do/that+(v.過去時/should

+do)…**

是Sb第幾次做某事。It+be+the

first/second

time

that…(v.

完成時）**

做某事花了Sb…時間。It

takes

sb.

time

to

do

…It

is

time

that

we

cleaned/

should

clean

(clean)

thehouse.It

is

the

first

time

that

I

have

visited(visit)

the

Great

Wall.15Conclusion:16How

many

usages

of

“it”

have

welearned?

What

are

they?用作代詞用作形式主語

用作形式賓語

用在強調(diào)句型中用在固定結(jié)構(gòu)中高考鏈接

four

years

since

I

left

my

home

town.A.

It

was B.

There

was C.

There

is D.

It

is

isnogood

without

doing

anything.A.This,

talkingC.

It,talkingB.

It,

to

talkD.

That,

to

talkHis

father

kept

telling

him

that

he

should

work harder,but

didn’t

help.A.

it

B.

the C.

which D.

sheWas

intheroom

you

used

to work

you

found

the

secret

hiding

place?A.

it,

that,

th