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初中英语状语从句知识点总结

日期:2021-03-05  类别:最新范文  编辑:一流范文网  【下载本文Word版

初中英语状语从句知识点总结 本文关键词:状语,从句,知识点,初中英语

初中英语状语从句知识点总结 本文简介:初中英语状语从句知识点总结(一)用来修饰主句中的动词,形容词或副词等而充当状语的从句叫做状语从句。状语从句常用从属连词来引导,与主句连接起来。若置于句末,则前面不加逗号。根据意义和作用,状语从句可分为时间原因条件等几种。下面我们就来分析一下这几种状语从句。1时间状语从句时间状语从句常用从属连词whe

初中英语状语从句知识点总结 本文内容:

初中英语状语从句知识点总结(一)

用来修饰主句中的动词,形容词或副词等而充当状语的从句叫做状语从句。状语从句常用从属连词来引导,与主句连接起来。若置于句末,则前面不加逗号。根据意义和作用,状语从句可分为时间原因条件等几种。下面我们就来分析一下这几种状语从句。

1时间状语从句

时间状语从句常用从属连词when,after,until,as

soon

as,等来引导。

当主句是祈使句或谓语动词是一般将来时态或情态动词时,其时间状语从句中的谓语动词常用一般现在时态表示将来发生的动作或存在的状态。这就是我们常说的“主将从现”。

如:Please

call

me

when

you

get

there.当你到那时,请给我打个电话。

I

will

write

to

you

as

soon

as

I

arrive

in

Beijing.我一到北京就给你写信。

since引导时间状语从句表示“自从…以来”,从句中的动词一般表示动作的起点,用过去时;而主句的动作延续的情况则用一般现在时或现在完成时。常用的句型为:

It

has

been/is+一段时间+since+过去时。

如:I

has

been/is

three

years

since

we

met

last

time.自从我们上次见面,已经三年了。

2条件状语从句

引导条件状语从句的连词或词组有:if(如果),unless(除非),as

long

as(只要)等。如果主句是将来时,条件状语从句也用一般现在时来表示。

如:I

will

stay

at

home

if

it

rains

tomorrow.如果明天下雨,我就待在家。

You

can’t

learn

English

well

unless

you

work

hard.

除非你努力学习,否则是学不好英语的。

由if引导的条件状语从句,若从句表达的是与现在事实相反的事实,则常用虚拟语气,即用过去时态表示(如果涉及到be动词,一律都用were)。此时,主句则用过去将来时。

如:If

I

had

enough

money,I

would

buy

it

for

you.如果我又足够的钱,我将把它买给你。

I

wouldn’t

do

it

if

I

were

you.如果我是你,我是不会做的。

3原因状语从句

because,since,as,for都可用来引导原因状语从句,那么它们又有哪些区别呢?

①because用来表示“造成某种结果的直接原因”,语气较浓,常用来回答why提出的问句。如:

---Why

are

you

late?

---Because

my

bike

is

broken.

②as和since用来表示“看的到的或是不说也知道的原因”,since也可译作:“既然”。

如:As

he

is

old

enough,let

him

do

it.他既然长大了,就让他干吧!

Since

his

shoes

are

worn

out,let’s

buy

him

a

new

pair.

既然他的鞋坏了,那我们就给他买双新的吧。

③for引导的原因状语从句不置于句首,常用来表示“顺便提及的理由”,只是稍带说明原因,并非强调。

如:I

must

stay

here,for

it’s

raining

so

hard.我必须得待在这儿,因为雨下的很大。

初中英语状语从句知识点总结(二)

1状语从句

在复合句中,修饰主句中的动词、形容词或副词等的从句叫状语从句。状语从句根据它表达的意思可分为时间、地点、原因、目的、结果、让步、比较(或方式)和条件等类。

1.时间状语从句

引导连词有when,while,till,not…until,since,after,before,as

soon

as

The

bus

won’t

start

until

everybody

gets

on.

公共汽车直到每人都上车为止,才开动。

When

he

knocked

at

the

door

I

was

cooking.

当他敲门时,我正在煮饭。

Last

night

before

he

came

back

home,his

wife

had

already

cooked

dinner

and

waited

for

2

hours.

昨天晚上在他回到家之前,他的妻子已经做好晚饭足足等了他两小时之久。

After

I

went

to

church,I

went

shopping.

2.

地点状语从句

地点状语从句通常由where,wherever

引导。

Where

there

is

a

will,there

is

a

way.

哪里有志向,哪里就有出路。有志者事竟成。

Where

there

is

a

life,there

is

a

hope.

哪里有生命,哪里就有希望。留得青山在,不怕没柴烧。

Wherever

you

go,whatever

you

do,I

will

be

right

here

waiting

for

you.

不管你去哪里,不管你做什么,我都会在此守侯你。

3.原因状语从句

引导连词有because,as,since。

He

didn′t

see

the

film

because

he

had

seen

it.

他没有看那部电影,因为他已经看过了。

They

couldn’t

get

on

the

train,for

it

was

too

crowed.

比较:because,since,as和for

1)

because语势最强,用来说明人所不知的原因,回答why提出的问题。当原因是显而易见的或已为人们所知,就用as或

since。

I

didn

t

go,because

I

was

afraid.

Since

/As

the

weather

is

so

bad,we

have

to

delay

our

journey.

2)

由because引导的从句如果放在句末,且前面有逗

号,则可以用for来代替。但如果不是说明直接原因,而是多种情况加以推断,就只能用for。

He

is

absent

today,because

/

for

he

is

ill.

He

must

be

ill,for

he

is

absent

today.

注意

because不能和so

连用。

4.

目的状语从句

引导连词有

that,

so

that…,in

order

that。

He

must

get

up

early

so

that

he

can

catch

the

first

bus.

他必须早起,以便能赶上第一辆公共汽车。

He

repainted

the

house

so

that

he

could

welcome

the

guests.

Millions

of

trees

are

planted

in

North

China

so

that

the

sand

can

be

stopped

from

moving

south.

The

mother

left

work

earlier

in

order

that

she

could

be

at

home

when

the

children

arrived.

So

that

…——以便/以致……

例如:(1)They

studied

hard

so

that

they

could

pass

the

exam.

(2)They

started

early

so

that

they

caught

the

early

bus.

注意点:

在例句(1)中,是引导目的状语;在例句(2)中,是引导结果状语。一般来讲,从句中含有情态动词的,为目的状语。无情态动词的,为结果状语。

5.结果状语从句

引导连词有that,so…that…,such….that

The

box

is

so

heavy

that

I

can’t

lift

it.

这个盒子如此沉,以致我无法抬起来。

such+名词性词组+that…

So+形容词/副词+that…——如此……以致……

例如:(1)She

is

such

a

good

teacher

that

we

all

love

her.

(2)It

was

such

a

hot

day

that

they

didn’t

go

out

for

a

walk

as

usual.

注意点:

1.such+a+形容词+名词+that…,可以改写成:so+形容词+a+名词+that…,例句(1)可以改写成:She

is

so

good

a

teacher

that

we

all

love

her.

2.在such+形容词+名词复数或不可数名词+that…结构中,形容词如果是many/few或much/little时,用so不用such,即:so+many/few+可数名词复数+that…,so+much/little+不可数名词+that…

(1)There

are

so

many

people

in

the

room

that

I

can’t

get

in.

(2)The

man

has

so

much

money

that

he

can

buy

a

car.

6.让步状语从句

引导连词有though,although;

even

though/if;

whatever;

however

Although

he

is

young,he

knows

a

lot

of

things.

虽然他年龄小,但却认识许多事物。

Even

though

you

don’t

like

him,you

still

have

to

be

polite.

Whatever

you

say,I

will

not

change

my

mind.

注意

although,though不能和but连用。

7.比较(方式)状语从句以than为引导连词。常见连词(as)…as,…than…;

the…,the…

Jim

is

older

than

Lucy(is).

吉姆比路希年长。

Skiing

is

more

exciting

than

running.

The

more

you

practice,the

more

knowledge

you

will

get.

注意

than

引导的比较状语从句中的谓语常省略。

8.条件状语从句以if,unless为引导连词。

If

you

eat

bad

food,you

may

be

ill.

如果你吃到坏了的食物,就会生病。

If

it

doesn’t

rain

tomorrow,we

will

have

a

sports

meet.

注意

主句是将来时,从句用一般现在时。

状语从句中常见的误点

1)时间状语从句和条件状语从句中的时态与主句的搭配:(俗称:主将从现)

2)原因状语从句because与because

of

Because+从句

和because

of

+n./

pron

例如:I

was

late

because

I

didn’t

catch

the

bus.

I

was

late

because

of

the

rain.

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