仁爱英语七下现在进行时PPT课件.pptx

现在进行时
一、含义：
现在进行时表示现在（即说话人说话的时刻）正在进行的动作或正在发生的事情，现在进行时的标志性词语有now, look, at the moment, listen等
第1页/共14页
二、现在进行时基本结构
主语 + be动词 + 动词的现在分词
I
am
He / She
We / You / They
is
are
writing.
speaking.
running.
结构: be+doing ( be要根据主语作人称和数的变化)
第2页/共14页
用现在进行时完成下列句子:
1. What ______ you doing ?
2. I_____ singing an English song.
3. What _____she drinking ?
4. He_____ driving a car.
5. _____ you flying a kite?
Yes, _______.
6. ____ she sitting in the boat?
7. ______you asking questions?
8. We _____ playing games now.
are
am
is
is
Are
I am
Is
Are
Exercises
are
第3页/共14页
现在进行时
现在分词的构成规则：
-ing，如：read-reading
，去e加-ing，如：write-writing
，末尾只有一个辅音字母，应先双写这一字母，再加-ing。
Eg：swim-swimming run-running
cut-cutting shop-shopping sit-sitting
特殊变化：lie-lying平躺，die-dying死亡
第4页/共14页
请写出下列动词的现在分词
speak
play
talk
sing
listen
do
write
drive
dance
sit
put
swim
put
run
speaking
playing
talking
singing
listening
doing
writing
driving
dancing
sitting
putting
swimming
putting
running
第5页/共14页
现在进行时
现在进行时的四种句式：
—主语+be+doing
Eg: I am doing my homework.
—主语+be+not+doing
Eg: I am not doing my homework.
—be提到句首（注意人称变化）
Eg: Are you doing your homework?
：特殊疑问词+一般疑问句
Eg: What are you doing now?
第6页/共14页
句型转换
,要在 be 后加 not 构成
eg:We are reading English now.
We are not reading English now.
,把be动词提到句首
eg:The student is drinking.  Is the student drinking?
,由“疑问词+一般疑问句”构成
eg:He is working.  What is he doing?
第7页/共14页
句型转换：
are cleaning the house.（一般疑问句）
is singing.（改为否定句）
is______________________（划线提问）
is sitting ________________ （划线提问）
putting on her new skirt.
near the window.
Are they cleaning the house?
Tom is not singing.
What is Kate doing?
Where is she sitting?
第8页/共14页
Some exercises.
用现在进行时改写下列句子.
sits under the tree.
She is sitting under the