资源简介

(共26张PPT)
Section A Grammar Focus(4a ~ 4c )
Unit 1 The Changing World
2026新人教版九上
通过本节课的学习，学生能够：
1.能通过观察，识别并归纳核心语法结构：used to + 动词原形（过去习惯 / 状态）和现在完成时（have/has + 过去分词）的用法及标志词（yet, ever, just, for, since）。能区分 used to do、一般过去时与现在完成时的不同语境与含义，理解它们在描述 “变化” 主题中的功能差异。（学习理解）。
2.能独立完成 4b 对话填空，4c 短文填空，综合运用 used to 和现在完成时，描述过去与现在的对比变化。（应用实践）
3.能创造性地运用本课语法，对 “交通发展与生活改善” 形成辩证的价值理解，并用英语表达对家乡发展的自豪感。（迁移创新）。
Learning Objectives
Transportation
Payment
Living condition
Communication
Social media
Houses
Photography
George and Lin Hui are talking about the changes over the last 20 years. Watch the video and think about what aspects of change are mentioned in the video
Look at the pictures and say what changes have taken place.
People ___________ simple clothes. (wear)
Our clothes ___________ colorful and fashionable. (be)
We used to walk or ride bikes when we went out.
Traffic has become very fast and convenient for five years.
People ___________ old cameras to take photos in the past. (use)
Mobile phones ___________ taking photos easy. (make)
used to use
have made
used to wear
are
Look at the pictures and say what changes have taken place.
Families ___________ in small old houses in the past. (live)
People ___________ into big and bright houses since ten years ago.(move)
People _______________________. (pay with cash)
Mobile payment _____________________ of cash now. (take the place)
We ________________ to keep in touch. (write letters)
Social media ______________ our way of communication. (change)
used to live
have moved
paid with cash
has taken the place
used to write letters
has changed
Look at the pictures and say what changes have taken place.
People used to watch the news on TV five years ago.
More and more people have used mobile phones to know what’s going on in the world since 2000.
past present
1. We ______________________________ when we went out.
2. People ___________ old cameras to take photos in the past. (use)
3. People ___________ simple clothes. (wear)
1. Traffic ______________ very fast and convenient for five years.
2. Mobile phones ___________ taking photos easy. (make)
3. Now our clothes ___________ colorful and fashionable. (be)
4. People _______________________. (pay with cash)
5. We ________________ to keep in touch. (write letters)
4. Mobile payment _____________________ of cash now. (take the place)
5. Social media ______________ our way of communication. (change)
changes over the last 20 years
used to walk or ride bikes
has become
are
has changed
How do they talk about the changes
simple past tense
present perfect tense
simple present tense
used to use
used to wear
paid with cash
have made
has taken the place
wrote letters
4a Read the sentences and circle the verbs.
He became a good friend of your grandfather about 20 years ago. They haven't seen each other for ages!
We used to have to travel far to see a doctor. Our village has just built a new hospital.
Many people used to work in big cities. Now, more of them have come back to
live and work here.
Pay attention to the verb tenses.
the simple past (一般过去时)
the present perfect tense (现在完成时)
sentence patterns to talk about the changes
past
present
... have/has done ...
am/are/is ...
... V/V-s/es ...
...used to be ...
... used to do...
... V-ed ...
Grammar Focus
the present perfect tense (现在完成时)
用 法
过去发生的动作对现在产生的影响
we've changed the way we farm.
Our village has become a tourist attraction.
从过去持续到现在的状态/动作
I have lived here for five years.
She has been a teacher since 2010.
构 成
have / has+ done 动词过去分词
Grammar Focus
the simple past (一般过去时)
用 法
表示过去发生的动作
we planted many bushes and trees on the
mountains last year.
表示过去的情况或状态
The mountain was covered with sand in the past.
表示过去的习惯，经常做的事情
villagers grew a few vegetables on a small farm every year .
构 成
主语 + 动词过去式 + 其它。
Grammar Focus
used to do .
used to do sth.
过去常常做某事，(暗含现在不做了)
The mountain used to be covered with sand.
used to be.
表示过去持续的状态，(暗含现在不是该状态了)
Our village used to be poor and dirty.
There used to be.
表示曾经有，(暗含现在没有了)
There used to be sandstorms all the time in our village.
A: ______ you ______ (be) to the new library yet
B: No, I ______________ (not know) there was a new library. When did it ______ (open)
A: It ____________ (open) last Friday. I _____________ (go) there with my grandpa
on Saturday night.
B: ______ you ______ (like) it
A: Of course! It’s the most high-tech library I __________ ever __________ (visit).
B: Oh, what ______ you ______ (see) there
A: There are sections with books about science and Chinese culture, as well as a huge section with children’s books. I also ______ (read) some digital books on the computer. My grandpa _____________ (listen) to some audio books because he can’t see well.
B: Cool! I ________________ (bring) my little brother there tomorrow.
Complete the conversation with the correct forms of the verbs in brackets.
4b
Have been
didn’t know
open
opened
went
Do like
have visited
did see
read
listened
will bring
对过去不知道某事的陈述
有声读物
have been to… 去过某地（现在已经回来）
talk about the feelings now
询问现在的感受
read- read-read
talk about the experience on that day
talk about the habits
talk about the plan in the future
Focus on the words circled, what do you learn
Let’s learn the conversation.
A: Have you been to the new library yet
B: No, I didn’t know there was a new library. When did it open
A: It opened last Friday. I went there with my grandpa on Saturday night.
B: Do you like it
A: Of course! It's the most high-tech library I have ever visited.
B: Oh, what did you see there
A: There are sections with books about science and Chinese culture, as well as
a huge section with children's books. I also read some digital books
on the computer. My grandpa listened to some audio books because
he can't see well.
B: Cool ! I will bring my little brother there tomorrow.
have been to sp.
have gone to sp.
How to describe the library according to 4b
General idea
The kinds of books
Activities
It is the most high - tech library I have ever visited.
There are sections with books about science and Chinese culture, as well as a huge section with children's books.
Read the digital books on the computer
Listen to the audio books
visited
played
met
took
has finished
Have seen
have lived
have worked
一般过去时态：有明确的过去的时间；
已经结束的单次动作。
现在完成时态：没有明确的时间，有标志词 发生在过去，对现在产生影响。
Summary
Can you answer the question on last lesson
Now, let’s look at a bigger change – transportation in Guizhou. Guizhou is a mountainous province. In the past, it was very difficult to travel. But things have changed now.
was
be
made
have taken
has built
have improved
were
take
make it +(for sb.) adj. + to do sth.使做某事…
What was the life like in the past
What is the life like now Why
past present
1.There used to be no bridges.
2.Most roads were just dirt tracks.
3.This made it difficult for locals to bring products to the market or to develop industry.
1.Great changes have taken place.
2.The government has built thousands of kilometers of highways, railways, and wide roads.
3.It has also built many bridges and tunnels.
4. A journey used to take a day.
4.Now it takes only a few hours.
5.The lives of local people have improved.
Difficult.
Much richer and happier
Which words can show that changes are “great”
who has helped make life better Parents Teachers Workers
Thinking
hard work of many people and the support of the government.
1.In Guizhou,
My parents have worked hard to give me a good education.
The workers have built a new park for us.
Who Made the Changes Possible
2.In our hometown,
Change makes life better.
Thinking
New roads may destroy old forests.
Changes can bring problems too.
Not All Changes Are Good
We should balance development with health.
What should we do
Fast food restaurants – convenient but unhealthy.
We should ...
In the past, it was difficult to travel in Guizhou. In many places,
there used to be no bridges to cross mountains and rivers,
and most roads were just dirt tracks. This made it difficult for
locals to bring products to the market or to develop industry.
Now great changes have taken place. The government has
built thousands of kilometres of highways, railways, and wide roads. It has also built many bridges and tunnels. A journey that used to take a day now takes only a few hours. As a result, the lives of local people have improved. They are much richer and happier than they once were .
there used to be
there used to be no
make it adj for sb. to do sth.
bring sth. to sp.
take place
George wants to tell his friend in his homeland about the changes over the last 20 years.
Please help him write a letter.
Help George write the letter to his friends.
Write a passage about the changes over the last 20 years.
In the past, ___________________________________________________
________________________________________________________________________________________________________________________
Now, it has changed a lot. _______________________________________
________________________________________________________________________________________________________________________
Homework
Need to do:
完成课本4b、4c的错题订正，在对话和短文中正确运用“I used to...”, “Have you ever... ”描述变化。
Choose to do:
画一幅关于你家乡“过去 vs 现在”的对比画，并写2–3个句子来描述这些变化。（如used to, have/has done, simple past）

展开更多......

收起↑