牛津译林版必修四Unit Sporting events

Unit2SportseventsGrammarandusageNow,manyofuscanspeakEnglishquitewell,butafewyearsago,wecouldn’t.Yesorno?Ifwetalkabouttheabilitysomeonehas,weusethemodalverb‘can’.Ifwewanttoexpressthatitisnecessaryforustodosomething,whatmodalverbdoweuse?mustWhatothermodalverbscanyouthinkof?Modalverbscan/could表能力(1)Idon’tthinkhe

can

solvetheproblemwithoutanyhelp.(2)

Can

youhelpmetoworkoutthismathsproblem?ought

to/should1.表示义务,“应该”,用于各种人称

●

You

should

respectyourparents.●

You

shouldn’t

spend

much

time

surfing

the

Internet.2.表示推测，“想必，估计”的意思。

IfTomstartstoday,he

should

completetheprojectintime.3.表示与想象的不一样”照说应该……”

●

IwonderwhereMikeis.He

should

beherenow.●

Youshouldn’thavetoldDavidwhatMiketoldyou.4.在表示建议,命令,要求动词后用虚拟语气。1).Myfriendssuggested

thatI

(should)

pay

visittoshanghainextmonth.2).Thechairmandemandedthatwe

(should)

solvetheproblematonce.5.表示惊讶,忧虑,惋惜等感情色彩。

●

Iamreallysurprisedthathe

should

talktohisparentsthatway.●Roseought

to/will/mustgivemeahandwheneverIamintrouble.haveto/musthave

to表客观需求must表主观愿望●

Ihave

to

finishtheworkbefore7

o’clock.●

We

must

makeeveryefforttoprotectthe

Earth.●

You

must

workhardtoachieveyourlifegoal.●

Rose

might

becomeupsetatthenews.●Rose

may

beprettybusynow.●Rose

could

cookmealsforherself2yearsago.●Johnisn’theretoattendtheparty.Hemustbereviewinghisnotesforthebigexamtomorrow.Certaintymight/may/could/should/oughtto/will/mustMake

requests

提出要求Will;can;could;wouldA:

Can/Will/Could/Would

youlendmesomemoney?IthappensthatIdon’thaveanywithme.B:Yes,

Ican/will/could/would.Make

suggestions

提出建议Shall

we/I/He/She/Theyturnintheprojecttoday?Shall常用于第一,三人称,表示征求对方意见A:Shallhecomein?B:Ok.Makeoffers提出请求●I’llwashyoursportsjacket.●

ShallIgetaticketforyou?●

Shallwecarrythebooksforyou?●

ShallIcleantheblackboardforyou?Giveadvice给出建议●Youshouldnot/oughtnottospeaktohimlikethat.●We

should

focusonourwork.●Weshouldnotlaughatthosewhoaredisabled.can/beabletocan的形式只有can;could两种beableto的形式有am/is/areableto;was/wereableto;have/hasbeenableto等多种can一般指一个人的能力beableto经过努力后而达到的一定程度●

Mybrothercanplaytabletennis.●

Mybrotherisabletodiveunderwaterfor10minutes.shall/willshall表达诺言;will表示决心或决定1)Takeiteasy.You

shall

beofferedajobinthiscompany.2)Mike

will

sparenoefforttostudy.mustn’tneedn’tmustn’t“禁止,不许”语气强烈needn’t“不需要,没有必要”语气较为缓和1).Youmustn’t

missthespeechtomorrow.It’sofgreatimportance.2).Youneedn’tdothatifyoudon’twantto.3).Mustwecleantheclassroom?Yes,youmust./No,youneedn’t.4).Itisafive-minutewalkfromthestationtomyhouse.Youneedn’thavetakenataxi.(However,youdidtakeataxi.)need/dare作为情态动词时,两个词常用于疑问句和否定句;用作实义动词时,可用于各种句式。情态动词时:

NeedIshowyouhowtooperatethemachine?Yes,please.●Youneedn’t

tellhimthenewsnow.●Howdareyoudothatbehindmyback?●Thelittlegirl

darenotgooutaloneatnight.Haveatry:ChoosingtherightwordAnswers:1.(Page29)(1)must(2)hasto(3)must(4)must(5)should(6)oughtto(7)could(8)may(9)could2.(Page31)A(1)can(2)dare(3)can/could(4)may/might/could(5)mustn’t/shouldn’t/can’t(6)mustn’t/shouldn’t/can’t(7)can(8)needn’tB(1)Shall(2)shall(3)Will(4)will/shall(5)will(6)will/shall(7)shall/willPractice:1.

—__

I

water

the

trees

on

Tuesday?

—No,

you

needn’t.

A.

Can

B.

Must

C.

May

D.

Shall

2.

He

_____

not

pay

unless

he

is

punished

to

pay.

A.

shallB.

will

C.

can

D.

would

3.

I

_____

such

a

mistake

again.

A.

shall

never

make

B.

may

never

make

C.

can

never

do

D.

need

4.

—_____

I

turn

on

the

radio?

You’d

better

not.

It

is

noisy

enough

in

this

room.

A.

Shall

B.

Must

C.

Need

D.

Do

5.

Since

the

road

is

wet

this

morning,

_____

last

night.

A.

it

must

rain

B.

it

must

have

rained

C.

it

must

be

rained

D.

it

must

have

been

rained

6.

Everyone

_____

do

his

best

to

make

the

world

safe

and

clean.

A.

can

B.

may

C.

should

D.

had

to

7.

They

_____

that

far;

but

they

stopped

to

have

a

snack

on

the

way.

A.

might

be

gone

B.

needed

go