Unit5LanguagesAroundtheWorldDiscoveringUsefulStructures课件高一英语人教版

Unit5关系副词引导的定语从句

Discovering

Useful

StructuresHere’s

a

song

for

you

to

recall

your

sweet

memories

when

you

were

little.Lead-inWhatdo“why”,“where”and“when”refertoineachsentence?a.

There

are

many

reasons

why

this

has

been

possible,

but

one

of

the

main

factors

has

been

the

Chinese

writing

system.b.Emperor

Qinshihuang

united

the

seven

major

states

into

one

unified

country

where

the

Chinese

writing

system

began

to

develop

in

one

direction.c.Then

I

saw

an

advertisement

that

offered

a

wonderful

summer

course

in

German,

and

that

was

the

day

when

I

decide

to

take

on

a

new

language.原因状语地点状语时间状语先行词关系词定语从句Theschool

where

heoncestudiedisveryfamous.which,who,whom,whose,that,aswhen,

where,why定语从句关系副词用法讲解关系代词关系副词关系副词先行词功能when先行词通常为表示时间的名词，如time、day、occasion等。作时间状语where先行词通常为表示具体或抽象地点的名词，如place、position、situation、point等。作地点状语why先行词通常为reason(s)。作原因状语一、关系副词引导定语从句1.

when的引导定语从句when表示时间，代替先行词并在定语从句中作时间状语，其先行词往往是表示时间的名词，如time,

day,

hour,

year等。We

will

never

forget

the

day

when

we

paid

a

visit

to

Beijing.我们永远忘不了参观北京的那一天。I

still

remember

the

time

when

I

first

traveled

by

plane.我仍然记得第一次坐飞机旅行的时候。【误区警示】当先行词是时间名词时，定语从句看关系词在句中的成分确定，如作状语，则用when引导；如关系词作主语或宾语，则用that或which引导。e.g.Do

you

remember

the

days

when

we

chatted

with

each

other

all

night?你还记得我们彻夜聊天的那些日子吗？

Do

you

remember

the

days

that

/which

we

spent

together

on

the

farm?你还记得我们在农场一起度过的那些日子吗？状语宾语2.

where的引导定语从句where表示地点，代替先行词并在定语从句中作地点状语，其先行词往往是表示地点的名词，如place,

factory,

house,

village等。Finally

we

got

to

a

factory,

where

many

mobile

phones

were

produced.最后，我们来到一家工厂，这家工厂生产手机。I’d

like

to

live

in

the

house

where

there

is

plenty

of

sunshine.我喜欢住在那个阳光充足的房子里。【误区警示】①当先行词是地点名词时，关系词在定语从句作主语或宾语，则用that或which引导。e.g.This

is

the

house

which

/that

was

built

by

my

grandfather

forty

years

ago.

这是我爷爷40年前建造的房子。②

当position,

point,

case,

stage,

situation,

atmosphere等表示抽象地点的名词充当先行词时，若从句中缺少状语，则用where来引导定语从句。It’s

helpful

to

put

children

in

a

situation

where

they

can

see

themselves

differently.把孩子们放到一个能够让他们从不同角度看待自己的环境中，这对他们有帮助。主语状语3.

why的引导定语从句why表示原因，代替先行词并在定语从句中作原因状语，其先行词往往是表示理由的名词reason。I

don’t

know

the

reason

why

he

didn’t

turn

to

his

good

friend

for

help

yesterday.我不知道昨天他为什么没向他的好朋友求助。Can

you

tell

me

the

reason

why

you

didn’t

come

to

his

birthday

party?你能告诉我你没参加他的生日宴会的原因吗？【误区警示】若先行词reason的关系词在定语从句中不作状语，而是充当主语或宾语，则用that或which引导定语从句。I

won’t

listen

to

the

reason

that

/which

you

have

given

us.我不会听你提供给我们的那个理由。宾语【即学即练】用适当的关系代词或关系副词填空。We

will

never

forget

the

year

_______

the

29th

Olympic

Games

were

held

in

Beijing.

Can

you

explain

the

reason

_______

you

don’t

help

him?

We

visited

the

car

factory

_________

my

uncle

once

worked

three

years

ago.

The

reason

_______

I

don’t

trust

him

is

that

he

often

tells

lies.whenwhywherewhy二、关系代词与关系副词的选用定语从句的引导词用关系代词还是关系副词可以用以下方法判断：用法依据根据从句谓语动词是及物动词，后面若无宾语，用关系代词；是不及物动词则用关系副词根据关系词在从句中作的成分把关系词放进定语从句中，若作主语或宾语用关系代词；作状语则用关系副词This

is

the

factory

where

he

used

to

work.这是他以前工作过的那家工厂。This

is

the

factory

that

/which

I

visited

last

year.这是我去年参观过的那家工厂。Is

this

the

museum

(that

/which)

you

visited

a

few

days

ago?这就是你前几天参观的那家博物馆吗？Is

this

the

museum

where

the

exhibition

was

held?这是举办展览的那家博物馆吗？vi.vt.vt.从句中缺少状语【即学即练】用适当的关系代词或关系副词填空。I

will

never

forget

the

happy

days

________

I

called

on

my

grandparents.

I

will

never

forget

the

happy

days

______________

I

spent

in

the

countryside.

I

don’t

know

the

reason

________

you

are

always

late

for

class.

I

don’t

understand

the

reason

______________

you

explained

at

the

meeting.when