现在进行时的结构

现在进行时的构造一、见解现在进行时表示说话时正在进行或发生的动作,也可表示目前一段时间内的活动或现阶段正在进行的动作．构造：助动词be(am/is/are)+现在分词.二、现在分词的组成：大部分动词后可在动词后直接加-ing．Eg:

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

enjoy-enjoyinghurry-hurrying

,do-doing

,

read-reading

,think-thinking2.假如动词以-e结尾,则去掉-e,再加-ing,如come-coming,have-having,make-making,ride-riding,write-writing,take-taking,use-using

．假如动词只有一个元音字母,尔此后跟有一个辅音字母时,将此辅音字母双写,再加-ing如：hit-hitting,let-letting,put-putting,run-running,sit-sitting．假如动词有两个音节,且重音在第二个音节上,则尾端的辅音字母双写,加现在进行时的构造-ing,如:forget-forgetting,prefer-preferring,travel-travellingswim-swimming5.以-ic结尾的动词，应先把-ic变为-ick,再加-ing,eg:panic/panicking但lie/lying,die/dying,tie/tying是特别变化要记着．三、句型构造：现在进行时的必然形式、否认形式、疑问形式及其回答,所有变化都表现在助动词be(is/am/are)上．1)现在进行时的必然形式：主语+be(am/is/are)+doing+其他成分Iamsinging.Theyarewriting.现在进行时的否认形式:主语+be(am/is/are)+not+doing+其他Iamnotsinging.Theyaren’twriting.3）一般疑问句及回答：

be(am/

is/are)+

主语+doing+其他成分

AmI

singing

?Yes

,you

are

.

/

No

,youaren’t

.Aretheywriting?Yes,theyare./No,theyaren’t.现在进行时的构造4)特别疑问句及回答:特别疑问词+be(am/is/are)+主语+doing+其他成分Whatareyoudoing?Weareplaying(要求就提问内容详细回答).缩写形式以下: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：表示现在(指说话人说话时)正在发生的事情．经常与now,atthemoment,just等副词连用,以示重申．Weare

waiting

for

you.

What

are

you

doing?

Some

one’s

knocking

at

the

door．正在进行着的动作可视为未达成的动作：He’stalkingtohisfriendsintheclassroom.可用still一词重申换作的连续性He’sstilltalkingtohisfriendsintheclassroom.现在进行时的构造表示一段时间内重复性的动作,说话时动作未必正在进行．Mr.Blackiswritinganotherarticle.现在进行时可用来表示不会长久发生的动作或情况,或被认为在短期内正在进行的动作或存在的状态What’syourbrotherdoingthesedays?He’sstudyingEnglishat.现在进行时也能够用来表示目前的动向：Peoplearebecomingmoreandmorebeautifulthesedays.表示渐变的动词有：become,turn,get,grow,run,go,begin等．Theleavesareturningbrown.It’sgettingcolderandcolder.7.与always,constantly,forever等词连用,表示频频发生的动作或连续存在的状态,经常带有说话人的主观色彩．Youarealwayschangingyourmind.一.用现在进行时达成以下句子:1.______you__________(fly)akite?Yes,_______.2.______you___________(sit)intheboat?现在进行时的构造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现在进行时的构造15.Thenaughtyboy__________(swim)intheriver.二.选择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.现在进行时的构造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