Unit 4 Then and now Part A Let's learn 课件 (共21张PPT)

(共21张PPT)
Review
Write the correct form of the simple past tense and complete the sentence.
用所给词的一般过去时填空。
Compare and say
Many years ago, there was no ...
Now, there is ...
Many years ago, there was no library in the old school.
Now, there is a library.
Compare and say
There was only ...
Now, there are ...
There was only one small building on a hill before.
Now, there are many buildings.
Compare and say
There was no ...
The students couldn’t ...
Now, there are ...
The students ...
There were no computers in my time.
Now there are many computer.
Think and say
The simple past 一般过去式 The simple present
一般现在时
Many years ago, there was no library in the old school. Now, there is a library.
There was only one small building on a hill before. Now, there are many buildings.
There were no computers in my time. Now there are many computer.
When do we use the simple past tense 什么时候使用一般过去式？
Try to find the signal words.尝试找到信号词。
Sort and fill
every year
last month
every month
every Monday
years ago
every day
last year
every week
months ago
yesterday
Present simple
现在时
Past simple
过去时
last month
years ago
last year
months ago
yesterday
every year
every month
every Monday
every day
every week
Compare and say
30 years ago
There was no...
There were no...
Now
But there is...
But there are...
dining hall
dining hall
grass
grass
gym
gym
gym
gym
There was no ______ in my school _______________.
Now, there is a new one in our school.
gym
thirty years ago
dining hall
dining hall
There was no ________ in my school _______________.
Now, ____________________.
dining hall
thirty years ago
there is a new one in school
There are many other changes in our school.
30 years ago
30 years ago
Now
Now
Look and say
There was no ______ in the school thirty years ago.
Now, there is ______.
Tick and fill
What was in the school could/ couldn’t What was in the school could/ couldn’t
teaching building teaching building
grass grass
dinning hall dinning hall
library library
... ...
Word bank
play on the playground
have lunch
read books
grow vegetables
have music class
play football
...








Brainstorm
Our school changed a lot. Our country changed a lot, too.
100 years ago
Now
Future
Brainstorm
Let’s talk about the changes in our city.
Then: There was/were no ___.
Now: There is/are _________.
Others
Transpor-tation
Technology
Buildings
Then: There was/were no ___.
Now: There is/are ________.
Then: There was/were no ___.
Now: There is/are ________.
Then: There was/were no ___.
Now: There is/are ________.
Think and say
What was China like 1405 years ago
1405 years ago
Now
Future
In the Tang dynasty, there was/were ...
tower, horse-drawn cabs（马车），eating house（餐馆），silk, dining hall, bridge...
Find the mistakes
There is something that does not belong in the Tang dynasty. Please circle the images that does not belong，then write them down.
圈出与时代不符的建筑或者交通工具。
1. ______________.
2. ______________.
3. ______________.
4. ______________.
5. ______________.
6. ______________.
7. ______________.
8. ______________.
9. ______________.
10. ______________.
11. ______________.
12. ______________.
13. ______________.
14. ______________.
gym
post office
Cafe
public telephone
satellite telephone
motel
computer
cinema
Taxi
telephone
bike
bus
traffic lights
...
1.At that time, there was______.
1
no gym
12. People didn’t __________.
12
7
7. People couldn’t _____________.
go by bus
use the Internet
Look and say
_____________.
_____________.
_____________.
There was no .... People didn’t .... People couldn’t ....