资源简介

(共20张PPT)
The Changing World
Unit 1 Section A Grammar Focus
Learning Objectives
At the end of the class, we will be able to:
learn to use used to and the present perfect tense to talk about past and present changes;
ask and answer questions about changes in places and people’s lives;
understand how transportation and technology can change people’s lives and make hometowns better.
What can you see
In the past...
The village__________________.
The area_______________________.
People_______________________.
Students_______________________.
used to
used to be poor
used to be covered with sand
used to walk on dirt roads
used to study in old classrooms
What changes can you see
Now...
The village_________________.
The area _________________.
People_________________________.
We_____________________.
have/ has done
has become modern
has covered with trees
have taken the high-speed railway
have had smart classrooms
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.
Read the sentences and circle the verbs. Pay attention to the verb tenses.
此处 表“到现在为止”
Simple Past
Present Perfect
Grammar Discovery
Past actions with present results
Finished actions or habits
(3)一般疑问句
Did+主语+ use to do sth. /Used+主语+ to do sth.
(1)肯定句
主语+ used to do sth.
(2)否定句
主语+ didn’t use to do sth./主语+ usedn’t to do sth.
Used to
He didn’t use to like coffee.
/He usedn’t to like coffee.
-Did he use to like coffee /
-Used he to like coffee
-Yes, he did./No, he didn’t.
Grammar Summary 1: used to
To talk about past habits or states（状态） that are no longer true in the present.
be used to do
used to
及其它句式比较
表示过去习惯性的动作或经常性的状态，现在已经不存在。
表示习惯于做某事... to为介词，后接名词，代词，或动词-ing形式
表示被用来做什么，是被动语态。
used to do
be used to doing
Did he use to wear glasses
My dad is/gets used to getting up early every day.
This knife is used to cut fruit.
Grammar Summary 2: Present Perfect Tense
To talk about past actions that have a direct result or connection in the present moment.
(3)一般疑问句
Have / Has+主语+过去分词 + ... Yes, 主语
(1)肯定句
主语 + have/ has + 过去分词 +...
(2)否定句
主语+haven’t / hasn’t +过去分词 + …
(4)特殊疑问句
特疑词+have / has + 主语 +过去分词 +…？
Present Perfect Tense
1. The village has changed a lot.
2. People have built many roads.
3. I have lost my key.
4. She hasn't finished her homework yet.
→ Result: It's different now.
→ Result: Roads exist now.
→ Result: I can't get in now.
→ Result: Her homework is not done.
Grammar Summary 2: Present Perfect Tense
Complete the conversation with the correct forms of the verbs in brackets.
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.
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
关于科学和中国文化的书籍
有声读物
have been to… 去过某地（现在已经回来）
询问现在的感受
read 的过去式还是 read
Practice (4b)
Fun Practice: Time Card Game
How to Play
1. Prepare : Each group gets two card piles: Past Cards & Present Cards.
2. Draw: Pick one random card from each set.
3. Create: Combine them into a sentence using “used to” (past) and present perfect tense.
Example
Past Card:
walked to school
Present Card:
has taken the subway
Sentence:
I used to walk to school, but now I have taken the subway many times.
Practice (4c)
Complete the passage with the correct forms of the verbs in brackets.
In the past, it ______ (be) difficult to travel in Guizhou. In many places, there used to ______ (be) no bridges to cross over mountains and rivers, and most roads were just dirt tracks. This ______ (make) it difficult for locals to bring products to the market or to develop industry.
Now great changes ____________ (take) place. The government ___________ (build) thousands of kilometres of highways, railways, and wide roads. It has also
built many high bridges over mountains and rivers. A journey that used to _________(take) a day now takes only a few hours. As a result, the lives of local people __________________ (improve). They are much richer and happier than they once ________ (be).
be
made
have taken
has built
take
have improved
were
make it + adj. + to do sth.使做某事…
强调对现在的影响
was
Why are local people richer and happier than before
Roads and Bridges are built.
Transportation improves.
Travel becomes easier.
Industry develops.
People become richer and happier
Group Work
In groups of four, create an exhibition board titled "Changes Around Us". Be creative!
Your Exhibition Board Should Include:
A clear theme
(transportation school life hometown neighbourhood technology)
Changes in the past and present
“used to” & present perfect tense
Cause-and-effect sentences
Your feelings about the changes
The Past
In the past, ______.
People used to ______.
The Present
Now, great changes have taken place. _____ has/have improved a lot.
Cause & Effect
Because _____, people can _____ more easily. As a result, life has become _____.
Your Feelings
We feel _____ about these changes.
(e.g., happy, excited, grateful, proud)
Useful Expressions
Clear theme.
Correct grammar
(“used to” & present perfect).
Cause-effect.
Feelings.
Teamwork.
Checklist
Presentation
1.主语+be(were,was)
2.主语 + 动词过去式
一般过去时
现在完成时
1.主语 + be (am, is, are)
2.主语 + 动词原形/单三
NOW
一般现在时
【主语 + used to+动词原形】
过去习惯/状态（现在已改变）
TIME
I visited my grandma last week.。
We used to live in a small flat.
They have built a new hospital.
主语 + have / has + done
He gets up early in the morning.
Summary
The world keeps changing.
Better roads, schools, and technology make our lives better.
We should be thankful for today’s development and work hard for a brighter future.
Change is the only constant in life.
Exercise
Must do:
Write 5 sentences about changes around you.
Use: “used to”, the present perfect tense, because / so / as a result.
Choose to do:
Find one old photo and one new photo of your hometown, school, or neighbourhood.Be ready to share the changes next class.
Homework

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