小学四年级现在进行时态讲解与练习.doc
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小学四年级现在进行时态讲解与练习.doc
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小学四年级上册现在进行时讲解及练习
一、现在进行时的定义,构成,标志性词语
定义:
表示现在或现阶段正在进行或发生的动作或存在的状态。
构成:
主语+be(am/is/are)+动词-ing形式(现在分词)构成
标志性词语:
1.现在进行时.通常用“now”.eg:
Iamdoingmyhomeworknow.
2.现在进行时.通常用“look”.eg:
Look!
Mymotherisrunning!
!
!
3.现在进行时.通常用“listen”.eg:
Listen!
Theyarereading.
4.现在进行时.通常用“atthe(this)moment”。
eg:
Atthe(this)moment,heisonlyweeping.
二、动词现在分词的构成规则:
1一般情况下直接加ing
think---thinkingsleep---sleepingstudy---studyingspeak---speakingsay---sayingcarry---carryingwake---waking
2以不发音的字母e结尾的单词,去掉字母e,再加ing
come---comingmake---makingleave---leavinghave---havingtake---taking
3以重读闭音节(重读闭音节即两个辅音中间夹一个元音并且重读的音节)结尾,呈现“辅,元,辅”结构的动词,双写末尾的辅音字母,再加ing
stop---stoppingsit---sittingrun---runningforget---forgettingbegin---beginning三、现在进行时的句型变化
1、肯定式结构:
主语+be+动词-ing形式+其他. 例如:
We are runningnow. (我们正在跑步.)
2、否定式结构:
主语+be+not+动词-ing形式+其他. 例如:
We aren’t runningnow.(我们不在跑步.)
3、一般疑问句式结构:
Be+主语+动词-ing形式+其他?
例如:
Are they runningnow?
(他们正在跑步吗?
)回答:
肯定Yes, they are. 否定:
No, they aren’t
4.特殊疑问句式结构:
疑问词+be+主语+其他?
例如:
What are they doing now?
(他们正在做什么?
)回答:
They are running.(他们正在跑步)
四、Be动词的人称对应:
第一人称单数:
I amdoing
第二人称单数:
You aredoing
第三人称单数:
He is doing、Lily isdoing、My mum isdoing...
所有的复数人称:
We aredoing、They aredoing、The policeman aredoing
五、朗读例句。
1.I am doing my homework now. 2.I am emailing my friends.
3.I am running in the park. 4.I am singing in the music room.
5.You are doing housework. 6.You are watching TV.
7.You are having an English lesson.
8.You are having a picnic. 9.Look!
My mother is running.
10.He is sleeping. 11.Listen!
The girl is singing with the bird.
12.Now Jiamin is reading an interesting book.
13.Listen!
They are reading. 14.Look!
The children are painting.
15.They are cooking meals. 16.The teachers are having lunch.
17.Are you doing housework?
18.Are you watching TV?
19.Is your mum running?
20.Is he sleeping?
21.Are they cooking?
22.Are the teachers having dinner?
23.What are they doing?
24.What is he doing?
三、现在进行时的用法:
(1)用来表示说话时正在进行或者发生的动作,例如:
Motheriscookinginthekitchen.妈妈在厨房里煮饭。
Whatareyoulookingat?
你在看什么?
(2)用来表示现阶段正在进行的动作(但说话时不一定在进行),
(3)用来表示即将发生的动作,一般是指按计划或者安排好要发生的动作。
适用于这种情况的动词主要有:
go,come,leave,start,arrive等。
例如:
I’mgoinghomeinhalfanhour.我一个半小时内要回家。
五、巩固练习一.写出下列动词的现在分词形式
work_______sing_______play___study_______have_______dance________write_____
take________run_________ sit_________ shop________ swim__________
二.按要求改写句子1.Theboyisplayingbasketball.否定句:
____________________________
一般疑问句:
_________________________对“isplayingbasketball”提问:
__________________________
2.Theyaresingingintheclassroom.否定句:
____________________________
一般疑问句:
_________________________对“aresinging”提问:
__________________________
三.用现在进行时完成下列句子1.What______you_______(do)?
I________(sing)anEnglishsong.
5.______you__________(fly)akite?
Yes,_____________.
8.We____________(play)gamesnow.9.Whatareyou_________(do)now?
I___________(eat)bread.
10.It’snineo’clock.Myfather_____________(work)intheoffice.
13.WhereisMax?
He___________(run)onthegrass.
14. Listen,who____________(sing)inthemusicroom?
Oh,Mary_____________(sing)there.
四。
选择题1.Who_____overtherenow?
A.singing B.aresing C.issinging
2.It’seighto’clock.Thestudents_____anEnglishclass. B.having C.ishavingD.arehaving3.Listen!
Thebaby_____inthenextroom.A.crying哭 C.iscrying D.cries
4.Look!
Thetwins_____newsweaters.A.arewearing B.wearing C.arewearD.iswearing
3
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- 小学 四年级 现在 进行 时态 讲解 练习
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