2016小升初英語(yǔ)第四章第三節(jié)

第四章 動(dòng)詞和時(shí)態(tài)第三節(jié)

現(xiàn)在進(jìn)行時(shí)知識(shí)梳理一、現(xiàn)在進(jìn)行時(shí)的用法現(xiàn)在進(jìn)行時(shí)表示現(xiàn)在正在進(jìn)行或正在發(fā)生的動(dòng)作，也可以表示當(dāng)前一段時(shí)間內(nèi)的活動(dòng)或現(xiàn)階段正在進(jìn)行的動(dòng)作。句型結(jié)構(gòu)是：be＋v-ing形式(現(xiàn)在分詞)。標(biāo)志時(shí)間詞：now，look，listen，over

there，look

at，It's＋時(shí)間等。二、現(xiàn)在分詞的變化規(guī)則一般情況下，在動(dòng)詞詞尾加ing。如：go—going，play—playing，eat—eating以不發(fā)音的字母e結(jié)尾的動(dòng)詞，去e再加ing。如：write—writing，come—coming，take—taking以重讀閉音節(jié)結(jié)尾，且詞尾只有一個(gè)輔音字母的動(dòng)詞，雙寫最后這個(gè)輔音字母再加ing。如：run—running，swim—swimming，shop—shopping以ie結(jié)尾的動(dòng)詞，將ie改為y，再加ing。如：die—dying，lie—lying三、現(xiàn)在進(jìn)行時(shí)的句型結(jié)構(gòu)肯定句：主語(yǔ)＋be動(dòng)詞(am，are，is)＋v-ing＋其他.如：I

am

washing

my

hands

now.Look！

Jack

is

listening

to

music.Tom

and

his

brother

are

doing

their

homework.It

is

nine

o'clock.

The

children

are

having

class.否定句：主語(yǔ)＋be動(dòng)詞(am，are，is)＋not＋v-ing＋其他.如：I

am

not

(I'm

not)

washing

my

hands

now.The

children

are

not(aren't)

playing

over

there.It's

six

past

ten.

Tom

is

not

(isn't)

having

dinner.一般疑問句：Is/Are/Am＋主語(yǔ)＋v-ing＋其他？如：—Are

you

watching

TV

now？—Yes，

I

am.

/No，

I

am

not.—Is

the

girl

playing

the

piano？—Yes，

she

is.

/No，

she

isn't.—Are

the

children

swimming

in

the

river？—Yes，

they

are.

/No，

they

aren't.特殊疑問句：特殊疑問詞＋一般疑問句？如：I

am

watching

TV

now.→What

are

youdoing

now？Uncle

Wang

is

drinking

tea

in

the

living

room.→

Where

is

Uncle

Wang

drinking

tea？考點(diǎn)精析考點(diǎn)1

考查現(xiàn)在進(jìn)行時(shí)的用法【例1】用所給動(dòng)詞的適當(dāng)形式填空。She

(draw)

a

map

now.Listen！

Theboys

(sing).解析：本題考查填動(dòng)詞的適當(dāng)形式，必須要弄清楚句子的時(shí)態(tài)。第1小題中的時(shí)間詞now，第2小題中的Listen！都表示動(dòng)作正在發(fā)生，都要用現(xiàn)在進(jìn)行時(shí)；同時(shí)，注意v-ing

之前一定要根據(jù)主語(yǔ)的形式加上相應(yīng)的be動(dòng)詞。答案：1.

is

drawing 2.

are

singing舉一反三1.

寫出下列動(dòng)詞的現(xiàn)在分詞形式。(6)die

dying(2)dance

dancing(4)shop

shopping(1)sing

singing

(3)write

writing

(5)put

putting2.

單項(xiàng)填空。(

C

)(1)Mum

andI

houseworknow.A.

doing B.

am

doing C.

are

doing(

C

)(2)

All

the

people

afootballmatch.Everybody

is

excited.A.

watch B.

is

watching C.

are

watching(

B

)(3)

they

theirstampsatthecorner？A.

Does；

show B.

Are；

showingC.

Do；

showing考點(diǎn)2

考查有關(guān)現(xiàn)在進(jìn)行時(shí)句子的句型轉(zhuǎn)換【例2】按要求改寫下列句子。Sarah

is

answering

the

phone.(改為否定句)They

are

riding

a

bike.(就畫線部分提問)解析：本題考查現(xiàn)在進(jìn)行時(shí)的句型轉(zhuǎn)換，要以be動(dòng)詞為中心進(jìn)行變化。第1小題改否定句，只要在be動(dòng)詞之后加not；第2小題是對(duì)進(jìn)行時(shí)狀態(tài)下的活動(dòng)提問，用

“What…doing？”，注意be動(dòng)詞要與主語(yǔ)的數(shù)保持一致。答案：1.

Sarah

is

not

(isn't)answering

the

phone.2.

What

are

they

doing？舉一反三按要求改寫下列句子。1.

Kenny

often

plays

the

guitar

on

the

weekend.(用now

改寫句子)2.

We

are

watching

cartoons

on

TV

now.(改為否定句)3.

My

grandpa

is

writing

a

letter.(就畫線部分提問)4.

我正在和父母親談?wù)撐业纳铡?漢譯英)Kenny

is

playing

the

guitar