The Present Continuous Tense现在进行时
1
可编辑课件PPT
What is the boy doing?
He is running.
2
可编辑课件PPT
What is the man doing?
He is sleeping.
3
可编辑课件PPT
What are they doing?
They are singing.
4
可编辑课件PPT
The Present Continuous Tense (现在进行时态)
定义:现在进行时态表示现在正在进行或发生的某 种事情及动作。
构成 :“主语+be (am, is, are )+v- ing
v-ing是动词的现在分词形式,动词be根据 主语人称进行变化。
标志:当句中出现Look/Listen/now或有上下文提 示时用现在进行时。
5
可编辑课件PPT
请仔细观察下面几个进行时态的句子,并总结出动词变为现在分词的规则.
’m doing my homework now.
! He is playing the piano.
are dancing in the room.
am writing some words.
is running.
is swimming.
6
可编辑课件PPT
动词现在分词的变化规律
1) 一般情况下,在动词原形后直接加-ing. 如:
work—working(工作) do—doing(做) play—playing(玩)
2) 以不发音的字母e结尾的动词,去掉e,再加-ing. 如:
dance—dancing(跳舞) come—coming(来)
(但动词词尾是字母组合ee的,就不能去掉词尾e,而应直接加- ing。例如: see-seeing)
3) 重读闭音节单词,如果末尾只有一个辅音字母,则双写这一字母,再加-ing. 如:
get—getting(得到) shop—shopping(购物)
run—running(跑) swim—swimming (游泳)
7
可编辑课件PPT
Let's do some exercise
请说出下列动词的现在分词。
6. take
8. play
playing
helping
coming
swimming
eating
giving
taking
sitting
8
可编辑课件PPT
现在进行时的句式
: 主语+be(am/is/are)+V-ing+其他
如:I am reading a book.
:直接在am/is/are后加not
如:I am writing.
I am not writing.
9
可编辑课件PPT
:问句,直接把am/is/are提句首,若原句有第一人称,把第一人称变为第二人称。
肯定回答:Yes, 主语+be动词
否定回答:No, 主语+be动词+not
如:You are drawing a pig.(变为一般疑问句,并做肯定回答和否定回答)
---Are you drawing a pig?
---Yes, I am./No, I'm not.
:对be V-ing提问要用what
格式为:What+am/is/are+主语+V-ing?
10
可编辑课件PPT
小学英语现在进行时教学1ppt课件 来自淘豆网www.taodocs.com转载请标明出处.