Unit 7 It's raining-现在进行时态课件(共26张PPT)

(共26张PPT)
Present Progressive Tense
现在进行时态
人教版七年级上册
现在进行时是表示现在、说话瞬间或现阶段正在做着的动作。
此时此刻：now,at the moment或It’s+几点钟；
提示语： Listen! Look! Keep quiet! Don’t make noise!
持续进行： these days, all the time
1
现在进行时的结构
2
现在进行时中be动词的用法
3
现在进行时中V-ing的变化方法
4
现在进行时的用法
目录
CONTENTS
现在进行时的结构
目录
CONTENTS
第一部分
否定形式
问句形式
主语 + be not doing sth.
be + 主语 + doing
主语 + be doing sth.
Lily is doing her homework now.
Lily is not doing her homework now.
Is Lily doing her homework now
肯定形式
主语+be动词+动词现在分词
陈述句
1、肯定句：
They are waiting for the bus.
主语 + be + 动词-ing ＋ ……
２、否定句：
They are not (aren’t) waiting for the bus.
主语 + be + not + 动词-ing ＋ ……
现在进行时中的一般疑问句该如何变化？
一般疑问句及其回答：
问句——直接把be提前；
肯定回答：Yes, 主语 + be .
否定回答：No, 主语 + be + not.
Amy is playing badminton.
——Is she playing badminton
——Yes, she is. / No she isn't.
一般疑问句
They are _____________.
They are___________________.
He is_______________.
watching TV
playing basketball
playing the piano
练习
We ___________________ .
are running
句型转换之一般疑问句
1、I am eating delicious food now.
2、You are having lessons now.
3、Listen! He is singing.
4、Look! She is chatting with her friend.
5、At the moment, they are lying on the floor.
1、Are you eating delicious food now
Yes,I am./No,I am not.
2、Are you having lessons now
Yes,we are./No, we aren't.
3、Is he singing
Yes,he is./No,he isn't.
4、Is she chatting with her friend
Yes,she is./No,She isn't.
5、Are they lying on the floor
Yes,they are./No,they aren't.
变疑问有be提be
现在进行时中be动词的用法
目录
CONTENTS
第二部分
不同主语下，be动词的变化
结构：主语 + be动词 + 动词的现在分词(V+ing)
I
He / She
We / You / They
am
watching TV.
is
doing homework.
are
playing football.
动词的现在分词有什么变化规则呢？
动词的现在分词（V+ing)的变化规则
目录
CONTENTS
第三部分
动词的现在分词的变化规则之一
（1）一般在词尾直接加-ing，如：
read
- read
ing
play
- play
ing
look
- look
ing
eat
- eat
ing
（2）以不发音的e结尾的词先把e去掉再加-ing，如：
take
- tak
ing
have
- hav
ing
动词的现在分词的变化规则之二
（3）以一个辅音字母结尾的重读闭音结尾的词，应双写最后的辅音字母，再加-ing，如：
sit
- sit
ting
swim
- swim
ming
run
- run
ning
stop
- stop
ping
（4）以-ie结尾的动词，把ie变成y再加-ing，如：
lie
- ly
ing
get
- get
ting
begin
-begin
ning
口诀 规则 例子
直 1. 一般情况下，直接在动词后加-ing。 play –playing
去 2. 动词以不发音的-e结尾，要去-e加-ing。 take – taking
双 3.重读闭音节的动词，要双写词尾字母，再加-ing。 cut – cutting
变 4. 以-ie结尾的动词，把ie变成y再加-ing。 lie – lying
die – dying
tie - tying
写出下列动词的-ing形式
help-
come-
swim-
eat-
give-
find-
sit-
write-
helping
coming
swimming
eating
giving
finding
sitting
writing
现在分词
现在进行时的用法
目录
CONTENTS
第四部分
1） 表示现在（ 指说话人说话时） 正在发生的事情。
— What’s your brother doing now
你弟弟在做什么？
— He is flying a kite.
他在放风筝。
标志词：now,at present, at this moment
2）现阶段正在进行：表示长期的或重复性的动作，虽然此时此刻动作未必正在进行。
The number is getting bigger and bigger.
数字在逐渐变大。
I am now visiting Guangzhou this week.我本周正在游览广州。
3）现在进行时表将来的用法
有些动词（arrive,come,go,leave等）用现在进行时表示将要发生的、计划或安排好的事情。
We are leaving for Germany next week.下周我们将出发去德国。
Where are you going 你要去哪里？
4）表示此时此刻某一动作不断重复。
The boy is jumping with great joy at the sight of toys.
一看到玩具，小男孩高兴得不停地跳。
5）在时间或条件状语从句中代替将来进行时。
If I am sleeping when he comes, wake me up,please.
他来时如果我在睡觉，请叫醒我。
6）与副词always,usually,forever等连用，表达说话者的某种感情或对某一心理的描述。
She is always thinking of others.她总是为别人着想。（赞扬）
Why are you always coming late for class 你怎么总是上学迟到？（批评）
二、用所给动词的适当形式填空
1.Listen! Amy__________(sing) in the next room.
2.Look ! They aren’t at home. They ________ (work).
3.It’s seven o’clock now. His father _______
(watch) TV.
is singing
are working
is watching
标志语： Look! 、 Listen! 、now
练习
Mike is climbing the hill. （改成一般疑问句并肯定回答）
We are having an English lesson now.（对划线部分提问）
The students are reading books now. （改成否定句）
按要求完成句子。
Is Mike climbing the hill
Yes, he is.
What
are we
doing
now
The students are not reading books now.
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