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(共26张PPT)
Unit 1 The Changing World
第 3 课 时 （4a—4c）
Section A
What changes have taken place around you
单词：course, digital, audio, dirt, track, wide, tunnel
句型：①We used to have to travel far to see a doctor.
②Our village has just built a new hospital.
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。
Learning Goals
1
2
Warming up
Look at these sentences, tell the verb tenses.
He visited his grandparents last week.
I used to get up at 6:30, but now I get up at 7:00.
I have finished my homework already.
Used to
Present
Perfect
Simple Past
Look at these sentences, tell the verb tenses.
Tom used to live in a small village.
Tom worked in Shanghai last year.
Tom has lived in three different cities.
Today we will focus on exactly these three ways of talking about the past and present.
Used to
Present
Perfect
Simple Past
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.
Grammar Focus
Simple Past
Used to
Present
Perfect
此处 表“到现在为止”
Read the sentences and circle the verbs. Pay attention to the verb tenses.
4a
(3)时间标志词
_______________________
(1)含义
表示__________________________
(2)结构
主语 +______________
一般
过去时
一般过去时
动词过去式
ago, yesterday, last...
描述过去发生的具体事件（动作已结束，与现在无关）
The man was very busy last week.
(3)时间标志词
_______________________
(1)含义
表示__________________________
并意味着这种动作 _________________
(2)结构
主语 +used to + ______________
Used to
Used to
动词原形
used to,but now,强调 “今昔对比”
过去的某种经常性、习惯性的动作或行为.
目前已经不存在
只能用
一般过去时
He used to like coffee.
(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
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.
She used to have curly hair.
used to do
表示过去习惯性的动作或经常性的状态，现在已经不存在。
She is used to getting up early.
be/get used to doing
习惯于做某事（可用于现在、过去、将来等多种时态）
The knife is used to cut fruit.
be used to do
被用来做某事（是被动语态,
用于多种时态）
易混短语辨析
(3)时间标志词
_______________________
(1)含义
表示__________________________
(2)结构
主语 + have/has +______________
现在
完成时
Grammar
现在完成时
动词过去分词
for ages, just, since, already, yet,now等
过去发生的动作，对现在造成影响 / 结果；
从过去持续到现在的动作 / 状态
She has kept this book for two weeks.
主语 + have / has + done
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
Grammar rules
【主语 + used to+动词原形】
过去习惯/状态（现在已改变）
TIME
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
Complete the conversation with the correct forms
of the verbs in brackets.
Have been
didn’t know
open
opened
went
Do like
have visited
did see
对过去不知道某事的陈述
have been to… 去过某地（现在已经回来）
询问现在的感受
4b
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.
关于科学和中国文化的书籍
read
listened
will bring
有声读物
Complete the passage with the correct forms of the verbs in
brackets. Why are local people richer and happier than before
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,
was
be
made
have taken
has built
make it +adj.+ to do sth.使做某事…
4c
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).
take
have improved
were
强调对现在的影响
Thinking
1. In Guizhou, hard work of many people and the support of the government.
My parents have worked hard to give me a good education.
The workers have built a new park for us.
What Made the Changes Possible
2. In our hometown, who has helped make life better Parents Teachers Workers
1. There are sections with books about science and Chinese culture, as well as a huge section with children’s books. 有关于科学和中国文化的书籍区域，还有一个巨大的儿童书籍区域。
Language points
as well as 除……之外，也，还
as well as as well
含义 除……之外，也，还 也，还
位置 位于所连接的两个成分之间，不能位于句尾 通常位于句尾
用法 连接对等成分，在语义上通常强调其前面的信息（翻译时通常先译后面的，再译前面的） 无侧重，用于补充信息
It’s a good time for you to be with each other as well as having
the enjoyable food.
这是你们品尝美味佳肴和相聚的好时光。
Reading more books can improve our English as well.
多读书也能提升我们的英语水平。
as well as连接两个并列成分作主语时，谓语动词应与其前面的主语保持人称和数的一致。
Tony as well as his friends is from England.
托尼还有他的朋友们都来自英格兰。
用法拓展
2. ...and most roads were just dirt tracks.
而且大多数道路都只是泥土路。
dirt /d t/ n. 泥土；尘土（不可数）
Pack the dirt firmly round the plants. 将植物周围的土培实。
Little Tom is playing in the garden and his face and hands are
covered with dirt.
小汤姆正在花园里玩，他的脸和手上全是泥。
dirt
n. 泥土；尘土
dirty
adj. 脏的
If you step on the dirt in the yard, your shoes will get dirty quickly.
如果你踩到院子里的泥土，你的鞋子会很快变脏。
3. This made it difficult for locals to bring products to the market or to develop industry. 这使得当地人很难将产品运到市场上或发展工业。
make it + adj. + for sb. + to do sth. 使做某事对某人来说是……
该句型中it是形式宾语，不可省略，真正的宾语是to do sth.。
Some useful apps made it convenient for me to live here.
一些有用的应用程序让我在这里的生活很方便。
Teamwork makes it possible for us to finish the task quickly.
团队合作使我们快速完成任务成为可能。
We all consider it necessary for us to take notes in class.
我们都认为上课记笔记对我们来说很有必要。
有此用法的常见动词还有find、 think、consider等。
4. The government has built thousands of kilometres of highways, railways, and wide roads. 政府已经修建了数千公里的高速公路、铁路和宽阔的道路。
（表示道路、河流等）宽的
（表示距离）宽度为……的
The small path starts narrow and becomes wide from
here. 这条小路一开始很窄，到这个地方就变宽了。
wide
（表示眼睛）睁大的
Her eyes were wide with wonder.
她惊讶地睁大了眼睛。
The river is more than three metres wide.
这条河宽3米多。
1.He used to play football after school.（变为一般疑问句）
____ he ____ to play football after school
2.They used to live in London.（变为否定句）
They ____ ____ to live in London.
3.She used to walk to school every morning.（对画线部分提问）
What ____ she ____ to ____ every morning
Practice
Did use
didn’t use
did
use
do
一、句型转换
二、阅读短文，用括号中所给词的适当形式填空
There is a community park near my home. Five years ago, it 1._____ (be) just a small place with dry grass and no trees. People 2._________ (not like) to take a walk there at that time. Three years ago, the government 3._______ (plant) many trees and built a small lake in it. Since then, the park 4._________ (turn) into a beautiful place with fresh air. So far, my family and I 5._________ (spend) a lot of happy time there together.
was
didn’t like
planted
has turned
have spent

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