譯林版七年級(jí)英語(yǔ)下冊(cè)ppt課件Unit-7-Grammar

Unit

7ActivitiesGrammarsmoke

v.吸(煙),抽(煙)takean

X-ray照X光cameran.照相機(jī)—

By

the

way,

may

I

borrowyourcamera?—

No

problem.順便問(wèn)一下ride

a

horse騎馬I

could

notride

a

horseat

five.

Now

Ican.ride

a

bike騎自行車...

could

not

...Now

...

can

...playtennis打網(wǎng)球...

could

not

...Now,

...

can

...swim

/

have

a

swim游泳...

could

not

...Now, ...

can...fly

akite放風(fēng)箏...

could

not

...Now, ...

can...Using

can

or

could

to

talk

about

ability.1.

We

use

can

to

talk

about

presentability.We

use

could

to

talk

about

ability

in

thepast.e.g.

Millie

can

speak

goodEnglish.Shirley

cannot

ride

ahorse.The

old

mancould

swim

across

theYangtze

River.2.

We

usecan,

could

ormay

to

askforpermission.

Could

sounds

morepolite

than

can.

May

isformal.e.g.

—

Can

I

borrow

your

bike,

Millie?Yes,

you

can.

Here

you

are.Could

I

smoke

here?Sorry,

I’m

afraid

youcan’t.May

I

use

your

mobilephone?Of

course

youmay.1.

can與couldcan

常用于口語(yǔ)中，表示非正式的請(qǐng)求，請(qǐng)求對(duì)象一般是家人或朋友。e.g.

—

Can

I

borrow

your

book,Simon?西蒙,我可以借一下你的書嗎？—

Ofcourse.當(dāng)然可以。Can

I

have

some

milk,

Mum?媽媽，我可以喝點(diǎn)牛奶嗎？Yes,you

can.

好的。could是can的過(guò)去式。在口語(yǔ)中，could常用來(lái)代替can向?qū)Ψ礁竦靥??請(qǐng)求，用法上比can正式，可以用于向老師或長(zhǎng)輩提??請(qǐng)求，這時(shí)could不表示過(guò)去，回答一般還是用can。e.g.Could

I

use

your

computer,

please?請(qǐng)問(wèn)，我可以用一下你的電腦嗎？Yes,you

can.可以。Could

I

hand

in

our

homework

later,Mr

Lin?林老師，我可以稍后交作業(yè)嗎？No,you

can’t.不，不行。2.maymay也可以用來(lái)征求對(duì)方意見，意為“可以”，相當(dāng)于could，用法也比can更正式，更禮貌，一般用于向陌生人或所尊敬的人請(qǐng)求許可。e.g.May

I

askyouaquestion?我可以問(wèn)你一個(gè)問(wèn)題嗎？Yes,please.可以，請(qǐng)問(wèn)。May

I

come

in,

Mr

Wu?吳老師，我可以進(jìn)來(lái)嗎？No,you

may

not.不行。Ask

and

answer

the

questionsusing

can,

could

or

may.Can

you

speak

Japanese?Could

you

play

the

piano

last

year?Can

you

cook?Could

you

use

a

computer

when

you were

three?5.

Could

you

ride

a

bicycle

when

youwere

veryyoung?6.

Miss

Lin,

may

I

come

in?The

students

are

going

to

South

Hill.Amy

is

talking

to

Mr

Wu

about

thetrip.

Complete

their

conversationwith

can,

could

or

may.A:

Can/Could/May

I

take

my

cousinShirley

with

us,

Mr

Wu?M:

Yes,

you

can/could/may

.

Butwe’llget

there

by

bike.

Can

she

ride

abike?A:

Yes,

she

can

.

South

Hill

is

a

goodplace

to

have

fun.

Can/Could/May

we

go

campingthere?M:

I’m

afraid

you

can’t

.A: I

see.

Can/Could/May

I

make

a

callon

your

mobile?

I

left

mine

at

home.M:

Of

course

you

can/could/may

.Bythe

way,

can

you

take

your

camerawith

you,

Amy?A: Noproblem.Using

What

and

How

to

express

strongfeelings.We

use

What…!

or

How…!

in

ashortphrase

to

express

strong

feelings

aboutsomeone

or

something.e.g.

How

dangerous!What

a

brave

man!We

make

sentences

with

What…!

andHow…!

like

this:Noun

phraseWhata

beautifulflower(it

is)!beautiful

flowers(they

are)!an

interesting

idea(he

has)!interesting

ideas(youhave)!nice

music(it

is)!adjectiveHowbeautiful(the

flower

is)!beautiful(the

flowers

are)!interesting(his

idea

is)!interesting(your

ideas

are)!nice(the

music

is)!(1)

what+a/an+形容詞+可數(shù)名詞單數(shù)（+主語(yǔ)+謂語(yǔ)）!e.g.

What

a

lovely

girl

she

is!What

an

easy

question

it

is!(2)

what+形容詞+可數(shù)名詞復(fù)數(shù)（+主語(yǔ)+謂語(yǔ)）!e.g.

What

interesting

films

they

are!(3)

what+形容詞+不可數(shù)名詞（+主語(yǔ)+謂語(yǔ)）!e.g.

What

important

news

it

is!(1)

How+形容詞(+主語(yǔ)+連系動(dòng)詞)!e.g.

How

heavy

the

rain

is!(2)

How+副詞(+主語(yǔ)+行為動(dòng)詞)！e.g.

How

quickly

the

boy

runs!The

girl

is

very

pretty.What

a

pretty

girlsheis!How

pretty

the

girl

is!The

flowers

are

verybeautiful.Whatbeautifulflowers

they

are!How

beautiful

theflowersare!The

cakes

areverydelicious.Whatdelicious cakes

they

are!How

delicious

thecakes

are!A.

How

tall

the

manis!B.

What

atall

man(he

is)!Millie

is

asking

Simon

what

he

knowsabout

Superman.

Help

Milliecomplete

the

conversation

withWhat

and

How.M:

What

can

Superman

do,Simon?S:

Superman

can

see

throughwalls.M:

How

amazing!

His

eyes

are

justlikeX-rays.S:

Yes.

He

can

also

burn

things

with

hiseyWesh.atM:

special

eyes

he

has!

Howabout

hisears?S：He

can

hear

things

faraway.M:

How

strange!

What

else

can

he

do?S:

He

can

stop

a

train

with

hishands.M:

How

strong

he

is!

Can

he

fly?S:

Yes.

He

can

fly

as

fast

aslight.M:

What

a

wonderful

man!I.What與How大轉(zhuǎn)換。What

a

pretty

girl

she

is!How

pretty

thegirlis!How

difficult

the

questions

are!What

difficult

questionstheyare!How

big

the

factory

is!What

a

bigfactory

it

is

!What

a

clever

boy!How

clever

theboy

is

!How

tall

the

trees

are!What

tall

trees

they

are!What

interesting

books

they

are!How

interesting

the

books

are