Unit7 Topic2 Can you sing an English song?sectionC 课件2021-2022学年仁爱版英语七年级下册（共39张PPT）

(共39张PPT)
Unit 7
Topic 2
Section C
Can you sing an English songs
1.new word and phrase :
ago,one year ago ,two years ago ,last year
this year,have a good / wonderful time,in the past
2.new sentences:
It’s time for outdoor activities.
She can fly kites very well now,
But one year ago, she couldn’t do it at all.
3 talk about our experiences of the past and now, by using “could” and its negative form “couldn’t.”
learning targets
画画
唱生日快乐歌
dance to disco
count flowers
表演芭蕾
讲英文
打兵乓球
go fishing
骑自行车
Quick eyes
make model planes
打篮球
Look and say.
Everyone changes a lot.
The baby couldn't walk three weeks ago,but now she can.
She couldn't walk three weeks ago.
She can walk now.
twelve months ago
十二月之前
walk
Now
Could she dance 10 years ago
10 years ago dance
No, she could not.
Can she dance now
Yes, she can.
Who is she
He could play basketball a little when he was seven years old .
But now he can play it very well.
DengChao could play basketball a little when he was seven years old
but now he can play it very well now.
when he was seven years old
He couldn't ride a bike 10 years ago.
He can ride a bike well now.
The boy couldn't ride a bike 10 years ago, but now he can ride well.
10 years ago
十年前
Practice:
He/She/I could not ...month/years ago,
but he/ she/ I can ...now.
Can you speak out some outdoor activities
Their friends are having some activities.
Let's have a look.
A:Who is she
B:She is …
A:What is she doing now
B:She is …
A:Who are they
B:They are …
A:What are they doing now
B:They are…
Pre-reading
A.They are celebrating Kang kang's birthday.
B.They are having a picnic.
C.How to keep safe in the street
D.What can they do now What could they do in the past
√
Look and predict the main idea of passage.
Name Activity In the past Now
Jane fly a kite couldn't...at all very well
Maria
Michael and Kangkang
perform ballet
could…just a little
very well
play ping-pong
couldn't
a little
Using a table can help to summarize the main information of the reading passage.
1b. Read 1a and complete the table.
Jane couldn't fly a kite at all in the past , but...
Skimming:略读：
Underline the sentences with can or could.
划出can和could的句子，看谁找得又快又准确。
1. She can fly kites very well now.
2. But one year ago, she couldn’t do it at all.
3. She can perform ballet very well now.
4. But when she was five, she could dance just a little.
5.They couldn’t do it before, but now they can play ping-pong a little.
_____表示现在或者将来的能力
could 表示______的能力
can
过去
can
否定式
can not (缩略式can’t)
could
否定式
could not (缩略式couldn’t)
通过观察我们知道：
情态动词 can/could 用于表达______。
能力
Mark T or F
（ ）Jane can fly kites very well now.
（ ）Jane can’t fly kites one year ago.
T
F
Find more details in 1a:
___
couldn’t
It's_____ ____ outdoor activities. Look! Jane is flying a kite. The kite is flying so high. She ____ fly kites very well now. But one year ago, she _______ do it at all.
Task2. Read the passage and fill in the blanks.
time
for
can
couldn't
It's time to do outdoor activities.
1. Can Maria perform ballet
2. Could Maria perform ballet when she was five
Yes. She can perform very well now.
Yes. She could do it a little.
Answer the questions
at the age of five
Maria is performing ballet. She can perform ballet ____ ____ now.But when she was five, she could dance ____ ____ ____ .
back
very
well
just
a little
仅仅...一点儿
Michael and Kangkang____ _______ ping-pong. They _______ do it before, but now they can play ping-pong _____ ____ .They both like ______ ball games.
are
playing
couldn’t
a little
playing
Task 3: Retell the passage according to the picture.
It’s time for outdoor activities. Look,…
The children are all having a good time.
Jane: fly a kite (high)
now --- well
one year ago ---couldn’t…at all
Maria: perform ballet
now --- well
five years old --- could…a little
Michael and Kangkang: play ping-pong
before --- couldn’t
now --- a little
both , like…
Ending:
Beginning: It’s time for · · ·
Body
have a good time
Retell
What do you think of the change
A: I like change.Because...
B: I don't like change. Because...
like:
learn new skills...
make new friends...
dislike:
lose some friends..
have more troubles(烦恼)
All things must change .
改变命运的钥匙掌握在自己手中！
After class, I can …
learn the new words: ago (Yes / No)
learn “could” and “couldn’t” for ability and inability in the past. (Yes / No)
(1) They couldn't do it before, but now they can swim a little.
(2) She can perform ballet very well now. But one year ago, she could do it just a little.
Summary
List the adverbials of time that you have learned
in the past / before
last year/ month/week/yesterday
时间段+ago
when sb was/ were … (year(s) old)
at the age of …..
....
now
this year
this month
this week
today
...
现在时间状语 过去时间状语
When she was five, she could dance just a little.
when意为“当…时候”，此处为连接副词，引导时间状语从句，放在主句前，用逗号与主句分开；放在主句后，不用逗号与主句分开。
但是当她五岁时，她仅会跳一点儿舞。
e.g. He could swim when he was very young.
They both like playing ball games.
1. both“两者都”，作they的同位语，它放在实义动词前，be动词和情态动词后。
他们两个都喜欢球类运动。
e.g. We are both students.
2. both表示“两者都”；三者或者三者以上用all。
e.g. My parents are both teachers.
My friends all went to the park yesterday.
3. Both of+复数代词 both （of the）+复数名词
e.g. Both (of the) boys are very good.
Both of them come from China.
1.Find both and all in the passage.
Fill in the blanks with both or all.
小组讨论： both 与all 的区别。
有样学样
E.g.
There are many trees on _____ sides of the road.
The children are _____ having a good time.
both
all
both:两者都…
all:三者或三者以上都
Kangkang is good at playing soccer, while Michael does well in basketball.
1. be good at 相当于do well in, 意为 “擅长于……，在…方面做得好”，后面常接名词、 代词或动名词。
e.g. He is good at English, and also does well in math.
康康擅长踢足球，而迈克尔则擅长篮球。
2. while 在此是连词，意为“而”，表示对比关系，意为“而，但”。
e.g. He is good at biology while I’m good at Chinese.
They couldn’t do it before, but now they can play ping-pong a little.
他们以前做不到，但现在可以打乒乓球了。
could是can的过去时，表示过去的能力，其否定式为couldn’t。
e.g. I couldn’t swim when I was five years old.
现在 很会做
会做
会一点
过去 只会一点
不会
完全不会
Put the phrases in order
can do sth. very well
can do sth.
can do sth. a little
could do sth just a little
couldn’t do sth.
couldn’t do sth at all.
情态动词can/could的用法
情态动词本身有各种意义，但不能单独作谓语，只能和动词一起构成谓语，表示说话人的语气和情感。没有人称和数的变化。
1.can和could的几种句式
肯定式 否定式 缩写否定式
现在式 can can not can’t
过去式 could could not couldn’t
情态动词can/could的用法
情态动词
2.can/could的用法
①表示一般的能力，指现在、过去无论什么时候想做就能做到的能力;
could表示过去的能力，can表示现在或将来的能力。
e.g. A hen can’t swim.
I couldn’t play the piano until I was five years old.
情态动词can/could的用法
情态动词
②表示“理论上的可行性”，即事件或情况可能发生但并不牵涉到是否会真的发生。有时指一时的情况，常译为“有时候会”。
e.g. Driving on these roads can be very dangerous.
③ 在否定句和疑问句中，can表示可能性，有惊异、怀疑、不相信之意，这时can与could没有时间上的差异，只是could语气要轻一些。
e.g. How can that be true
What you said couldn’t be true.
情态动词can/could的用法
情态动词
④用could比用can更加迟疑不决，没有把握时用could。
e.g. Can I watch TV for a while, Mom
Could I take this seat
情态动词can/could的用法
情态动词
⑤当表示允许别人做某事时，用can而不用could。
—Could I use your phone for a while
—Yes, of course you can.
情态动词can/could的用法
情态动词
⑥表示提议和请求。在语气上could较客气，但can较肯定。
e.g. I could/can do the paper work for you, if you are too busy.
Could/Can you make some room for me, please
按照要求完成句子
1.两年前，我一点儿也不会骑自行车。
I _________ ride a bike _____ _______ two years ago.
2.她五岁时，会弹吉他。
She ______ play the guitar ______ _____ ______ _______.
all
couldn't
at
could
when
she
five
was
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