現(xiàn)在進行時的結構

現(xiàn)在進行時的構造一、見解現(xiàn)在進行時表示說話時正在進行或發(fā)生的動作,也可表示目前一段時間內(nèi)的活動或現(xiàn)階段正在進行的動作．構造：助動詞be(am/is/are)+現(xiàn)在分詞.二、現(xiàn)在分詞的組成：大部分動詞后可在動詞后直接加-ing．Eg:

carry-carrying,catch-catching,drink-drinking,

enjoy-enjoyinghurry-hurrying

,do-doing

,

read-reading

,think-thinking2.假如動詞以-e結尾,則去掉-e,再加-ing,如come-coming,have-having,make-making,ride-riding,write-writing,take-taking,use-using

．假如動詞只有一個元音字母,爾此后跟有一個輔音字母時,將此輔音字母雙寫,再加-ing如：hit-hitting,let-letting,put-putting,run-running,sit-sitting．假如動詞有兩個音節(jié),且重音在第二個音節(jié)上,則尾端的輔音字母雙寫,加現(xiàn)在進行時的構造-ing,如:forget-forgetting,prefer-preferring,travel-travellingswim-swimming5.以-ic結尾的動詞，應先把-ic變?yōu)?ick,再加-ing,eg:panic/panicking但lie/lying,die/dying,tie/tying是特別變化要記著．三、句型構造：現(xiàn)在進行時的必然形式、否認形式、疑問形式及其回答,所有變化都表現(xiàn)在助動詞be(is/am/are)上．1)現(xiàn)在進行時的必然形式：主語+be(am/is/are)+doing+其他成分Iamsinging.Theyarewriting.現(xiàn)在進行時的否認形式:主語+be(am/is/are)+not+doing+其他Iamnotsinging.Theyaren’twriting.3）一般疑問句及回答：

be(am/

is/are)+

主語+doing+其他成分

AmI

singing

?Yes

,you

are

.

/

No

,youaren’t

.Aretheywriting?Yes,theyare./No,theyaren’t.現(xiàn)在進行時的構造4)特別疑問句及回答:特別疑問詞+be(am/is/are)+主語+doing+其他成分Whatareyoudoing?Weareplaying(要求就提問內(nèi)容詳細回答).縮寫形式以下:I

am---I’m

You

are---

You’re

He

is---

He’s

Sheis---

She’sIt

is---

It

’s

Weare---

We’re

They

are---They’re四．用法：表示現(xiàn)在(指說話人說話時)正在發(fā)生的事情．經(jīng)常與now,atthemoment,just等副詞連用,以示重申．Weare

waiting

for

you.

What

are

you

doing?

Some

one’s

knocking

at

the

door．正在進行著的動作可視為未達成的動作：He’stalkingtohisfriendsintheclassroom.可用still一詞重申換作的連續(xù)性He’sstilltalkingtohisfriendsintheclassroom.現(xiàn)在進行時的構造表示一段時間內(nèi)重復性的動作,說話時動作未必正在進行．Mr.Blackiswritinganotherarticle.現(xiàn)在進行時可用來表示不會長久發(fā)生的動作或情況,或被認為在短期內(nèi)正在進行的動作或存在的狀態(tài)What’syourbrotherdoingthesedays?He’sstudyingEnglishat.現(xiàn)在進行時也能夠用來表示目前的動向：Peoplearebecomingmoreandmorebeautifulthesedays.表示漸變的動詞有：become,turn,get,grow,run,go,begin等．Theleavesareturningbrown.It’sgettingcolderandcolder.7.與always,constantly,forever等詞連用,表示頻頻發(fā)生的動作或連續(xù)存在的狀態(tài),經(jīng)常帶有說話人的主觀色彩．Youarealwayschangingyourmind.一.用現(xiàn)在進行時達成以下句子:1.______you__________(fly)akite?Yes,_______.2.______you___________(sit)intheboat?現(xiàn)在進行時的構造3.______he_____________(talk)withme?4.We_______________(play)footballnow.What_________you__________(do)?6.I_____________(sing)anEnglishsong.What________he____________(mend)?He______________(mend)acar.Theseboys_________(play)tennisontheplayground.10.Mymother______________(cook)inthekitchen.Wecan’thelpyou,becausewe____________(have)classes.12.

________

the

boy

___________

(write)

his

homework?he

13.sky.

Look!

These

butterflies

_________

(fly)

in

tnext

14.Listen!room.

The

girl

___________

(sing)

in

the現(xiàn)在進行時的構造15.Thenaughtyboy__________(swim)intheriver.二.選擇1.Look.Lucyis_____anewbiketoday.A.jumpingB.runningC.ridingDtakeing2.Thechildren_____football.A.isplayingB.areplayingC.playtheD.playaThey______TVintheevening.Theydotheirhomework.A.are

watching

B.can’t

watching

C.don’twatch

D.don’t

watching4.Listen!She____intheclassroom.A.issingingB.singC.tosingD.issing5.______areyoueating?I’meating______meat.現(xiàn)在進行時的構造A.

What,some

B.Which,any

C.Where,not

D.What,a6.Is

she

____

something?

A.eat

B.eatingC.eatting

D.eats7Ieclothes

can’tcatchstyle_______

upall

withthe

thefashion,becausetime.

thA.haschangedB.ischangedC.ischangingchangedIt’ssixintheafternoon.TheGreens_______lunchtogether.A.hasB.arehavingC.havehadD.hadhad__

9.to

Don’tmaketheclass.

any

noise

while

the

studen