名词性从句主语从句课件

名词性从句主语从句名词性从句同位语从句主语从句宾语从句表语从句主语从句•

把两句话合并成一句话1.

Tom

will

win

the

tennis

game.It

seems

impossible.That

Tom

will

win

the

tennis

game

seems

possible.表语主语连系动词That

Tom

will

win

the

tennis

game

seems

possible.•

主语从句：

在主句中担当主语的是一个从句，这个从句就叫主语从句。•

引导词：

从属连词：that,

whether•••关系代词：who,

whom,

whatwhich,

whose关系副词：when,

where,

why由that引导主语从句例句：

把两句话合并成一句话1.

Light

travels

in

straight

lines.It

is

known

to

all.That

light

travels

in

straight

lines

is

known

to

all.2.

We

should

wash

our

hands

before

meals.It

is

necessary.That

we

should

wash

our

hands

before

mealsis

necessary.由that引导主语从句•

把两句话合并成一句话3.

Every

student

should

have

a

study

plan.It

is

necessary.That

every

student

should

have

a

study

planis

necessary.4.

Students

say

hello

to

their

teachers.It

is

polite.That

students

say

hello

to

their

teachers.is

polite.由that引导主语从句•

把两句话合并成一句话5.

Your

mother

didn’t

attend

the

party

yesterday.It

is

a

pity.That

your

mother

didn’t

attend

the

partyyesterday

is

a

pity.6.

Tom

stole

his

classmate’s

money.It

is

a

fact.That

Tom

stole

his

classmate’s

money

is

a

fact.•

把两句话合并成一句话7.

There

will

be

rainy

tomorrow.It

is

possible.That

teenagers

smoke

is

wrong.由

whether

（“是否”）引导的主语从句1.

Will

he

go

abroad?

It

is

not

known.Whether

he

will

go

abroad

is

not

known.2.

Will

it

rain

tomorrow?

It

is

not

known.Whether

it

will

rain

tomorrow

is

not

known.3.

Is

he

a

policeman?

It

is

not

clear.Whether

he

is

a

policeman

is

not

clear.4.Is

the

film

star

happy?

It

is

not

clear.Whether

the

film

star

is

happy

is

not

clear.由

whether

（“是否”）引导的主语从句•

在主语从句中只能用

whether

（是否），此意义时不能用

if

替换。It

is

necessary

that

we

study

English

well.2.

That

I

missed

the

beginning

of

the

film

is

a

pity.It

is

a

pity

that

I

missed

the

beginning

of

the

film

.3.

That

we

will

go

travelling

is

good

news.It

is

good

news

that

we

will

go

travelling.4.

That

my

mother

lost

her

new

wallet

is

a

pity.6.

That

Marry

told

a

lie

to

her

head-teacher

is

asurprise.Itis+形容词+that…•

It

is

important

that…•

It

is

necessary

that…•

It

is

polite

that….•

It

is

wrong

that…等等ØThat

light

travels

in

straight

lines

is

rightØThat

he

got

a

gold

medal

is

real.It

is

real

that

he

got

a

gold

medal.1.

That

Tom

will

win

the

game

is

possible.3.

That

we

must

complete

this

work

before

5

o’clcock

isnecessary.It

is

necessary

that

we

must

complete

this

work

before

5o’clcok.第三种：形式主语It代替that

主语从句It

+不及物动词

+that

…•

It

is

reported

that

据报道…•

It

is

known

to

all

that

….

众所周知….•

It

is

believed

that

….

人们相信…•

It

is

thought

that

….

人们认为….It

+

be

+

过去分词

+

that…3.

That

the

earth

was

not

round

was

believed

in

ancienttimes.6.

That

the

American

president

will

visit

China

is

reported.It

is

reported

that

the

American

President

will

visit

China.It

is

believed

that

it

will

rain

tomorrow.that

放在句尾不省略，但偶尔在口语中有省略的。whom等引导主语从句Where

he

lives

is

Beijing.把两句话合并成一句话1.What

do

their

parents

need?

It

is

more

experience.3.

What

color

does

the

girl

like?

It

is

pink.What

color

the

girl

likes

is

pink.Which

teacher

will

teach

the

students

Geography

hasn’tbeen

decided.关系副词：where

why

when引导主语从句1.

Where

did

he

go

?

It

hasn’t

been

known.Where