第40講while,need,since;以及in

order

to/that

的用法講師：陳曉群本節(jié)導(dǎo)航whileneedsincein

orderto/that知識精講They

arrive

while

the

other

animals

aredrinking.當(dāng)……時候The

lions

are

strong

and

big

while

the

chicks

are

so

weak

andpoor.然而；卻e.g.

Many

students

waste

food

while

some

people

in

themountains

don’t

have

enough

toeat.How

can

it

be!

I

am

working

hard

alone

in

the

gardenwhile

you

are

watching

TV

in

the

sitting

room!There’s

no

need

for

you

to

come

if

you

don’t

want

to.（沒必要做某事）1.need

(to

do)sth

需要（做）某事2.

needdoing需要被……3.

needn’t

不必4.

There

is

noneed

to

do

sth沒必要做事They

need

some

water

to

drink,but

they

need

to

be

morecareful.（需要）The

fence

needs

fixing.（需要被……)=The

fence

needs

to

befixed.The

house

he

lives

in

needs

cleaning.=The

house

he

lives

in

needs

to

be

cleaned.You

needn’t

tell

Jim

about

this

accident.

He

hasknownit.

（不必）=You

don’t

need

to

tell

Jim

about

this

accident.He

has

known

it.since:

自從（與過去的時間或者動作搭配使用，用于現(xiàn)在完成時或者過去完成時）e.g.

A

lot

of

things

have

happened

since

wemetlasttime.Tom’s

father

has

worked

here

since

the

year

1973.since:既然e.g.

Since

you

have

come,

you’d

better

settledown.Since

you

are

unable

to

answer

this

question,perhaps

weshould

ask

someone

else.1.自從2.既然sincein

order

to

為了=

to=so

as

to

（不能放在句首）In

order

to

catch

the

early

bus,my

uncle

got

up

at5:30.The

workers

put

on

thickgloves

in

order

to

(=so

as

to)keep

warm

outside

whileworking.in

order

that

為了（接句子）=sothat（不能放在句首）In

order

that

the

studentscan

cross

the

river

toschool,the

villagers

built

a

bridgeover

it.I

went

to

the

shop

thismorning

in

order

that

wehave

enough

food

during

thelong

winter

season.典型應(yīng)用D.

mustn’t5.Iamsavingmoney

Icanbuyahouse.A.

because B.

so

as

to C.in

order

to D.

in

order

thatDon’tusemybike!Itneeds

D

.A.

torepair B.

tobe

repair C.repaired D.

repairingShethoughtIwastalkingaboutherdaughter,

D

,

in

fact,

I

was

talking about

mydaughter.A.

whom B.

where C.

which D.

whileSinceyouarebusy,you

C

tomorrow.A.

don’t

need

come B.

need

not

to

come C.

needn’tcomecome

B4.They

friendssincetheymetinShanghai.A.haven’t B.

havDe

been C.

aren’t D.

are課堂小結(jié)need

(to

do)sth

需要