高中英語選修六Unit4Grammar課件

The

use

of

“it”

(2)Unit

4

Grammar在上一單元我們已經(jīng)講解了it在句中可以用作許多成分,在本單元我們用圖表的形式進(jìn)行復(fù)習(xí)整理使同學(xué)們對it的用法有系統(tǒng)的掌握。以上是我們用圖表的形式對it的用法進(jìn)行的歸納，相信同學(xué)們已經(jīng)對it的用法有了更清晰的認(rèn)識。接下來我們對it在強(qiáng)調(diào)句中的用法做一小結(jié)。ObjectiveTo

learn

the

use

of

theemphatic“it”.Look

at

these

sentences

in

the

book.…

and

that

it

is

human

activitythat

hascaused

this

global

warming

rather

thana

random

but

natural

phenomenon.It

was

a

scientist

called

Charles

Keeling,who

made

accurate

measurements

ofthe

amount

of

carbon

dioxide

in

theatmosphere

from

1957

to

1997.All

scientists

accept

this

data.

They

alsoagree

that

it

is

the

burning

of

more

andmore

fossil

fuels

that

has

resulted

in

thisincrease

in

carbon

dioxide.Pay

attention

to

the

word

“it”.

“It”

isused

foremphasis.強(qiáng)調(diào)句型中,為了強(qiáng)調(diào)句子的某一成分

(通常是主語、賓語或狀語),常用結(jié)構(gòu):It

is/was+被強(qiáng)調(diào)部分+that

(who)…原句:I

met

Tom

in

the

street

yesterday.①

It

was

I

who

(that)

met

Tom

in

thestreet

yesterday.yesterday.主語②It

was

Tom

that

I

met

in

thestreetyesterday.

賓語③

It

was

in

the

street

that

I

met

Tom④It

was

yesterday

that

I

met

Tom

inthe

street.

時間狀語地點(diǎn)狀語根據(jù)劃線部分把下列句子變成強(qiáng)調(diào)句。Peter

lent

us

themoney.It

was

Peter

who

lent

us

themoney.They

want

money.It

is

money

that

they

want.All

this

happenedonMonday.It

was

on

Monday

that

all

thishappened.I

didn’t

hear

from

her

until

last

summer.It

was

not

until

last

summer

that

Iheard

from

her.Why

does

everyone

think

I

amnarrow-minded?Why

is

it

that

everyone

thinks

I

amnarrow-minded?1.Itwasnotuntil1920

regularradio

broadcastbegan.A.whileC.

thatB.

whichD.since2.

is

a

fact

that

English

is

beingaccepted

as

an

international

language.A.ThereC.

ThatB.

ThisD.

ItItwasabout600yearsago

the

firstclock

with

a

face

and

an

hour

handwas

made.A.

that B.

until C.

before D.whenIhate

when

people

talk

withtheir

mouths

full.A.

it B.

that C.

these D.themIlike

in

the

autumn

when

theweather

is

clear

and

bright.A.

this B.

that C.

it D.

oneSomeone

is

knocking

at

the

door,

butwhocan

be?A.

one B.

he C.

she D.

itIs

necessary

to

complete

thedesign

before

NationalDay?A.

this B.

that C.

it D.

heDoes

matter

if

he

can’t

finishthe

job

ontime?A.

this B.

that C.

he D.

it

worried

her

a

bit

that

her

hair

wasturning

grey.A.

That B.

It C.What D.ThisTheyhavemade

arule

in

theroom.A.

this;

not

to

smoke

B.

it;

smokingC.

it;

to

not

smoke D.

it;

not

to

smokeReview口訣：代詞it本意它,既可指這又指那;時間天氣均可指,談到距離也用它;假主假賓均可作,強(qiáng)調(diào)句型跟that。it的用法：代詞it；引導(dǎo)詞it。我們?nèi)绾螀^(qū)分it在句中的不同成分呢?speak

to

me.It’s

difficult

to

remember

all

their

names.形式主語,代替……It’s

very

quiet

in

the

café.

CircumstanceIt

rained

for

threedays.

WeatherHe

made

it

clear

that

he

didn’t

want

to形式賓語,代替……Quiz

II:

Discuss

the

following

sentencesand

tell

the

function

of

“it”.5.

It

was

nice

to

meet

you.形式主語,代替……It

was

on

Tuesday

that

Smithcame.用于強(qiáng)調(diào)句型中It’s

three

miles

from

here

to

thenearestgarage.

DistanceA

tall

man

stood

up

and

shookhands.It

was

captain

Jim.人稱代詞，代表前面提到的人I

hear

you

bought

a

new

bike.

Can

youshow

it

to

me?人稱代詞，代表前面提到的物It

was

five

o’clock

when

we

got

backhome

yesterday.

TimeIt

was

dirty

and

wet

below

the

shipwhere

the

slaves

were

kept.CircumstanceIt

was

on

this

coast

that

lots

of

hispeople

disappeared.

用于強(qiáng)調(diào)句型It

was

most

likely

that

one

third

ofthem

had

lost

theirlives.作引導(dǎo)詞，在句中作形式主語，代替后面的從句寫這本書的人就是瑪麗。It

is

Mary

who

wrote

thisbook.這個就是長滿了美麗鮮花的花園。It

is

the

garden

that

many

beautifulflowers

grow

in.