(共31张PPT)
译林版·八年级下册
Unit 1 Past and present
Comic stric and welcome to the unit
学习目标
1.掌握本课节新单词及短语：past, present, just, used to do sth
2.了解北京不同时代的交通工具， 谈论自己、家人和
朋友过去和现在使用的不同交通工具；
3.Learn some basic language about present perfect tense(现在完成时)
The world has changed a lot. All of us have changed too.
What about Eddie and Hobo Have they changed
You’ve changed too.
You’ve changed, Eddie.
Presentation
Listen and read
Watch and act
Hobo’s food ____ in the _____ an hour ago. But it isn’t there now. Why Eddie has just ______ it because he was _______. Hobo thinks Eddie has ________ and he used to _____ _____ with him. While Eddie thinks the same way because Hobo _____ to __ ____ ____to him.
was
bowl
eaten
hungry
changed
be so kind
share food
used
Read and Fill
Eddie, have you seen my food
I’ve just eaten it.
You’ve eaten my food
You’ve changed, Eddie.
You’ve changed too.
Find more sentences
He has just (刚刚)
watered the
flowers.
Can you turn them into Chinese
Read and translate
Eddie has changed a lot.
I have just eaten it.
We have already learnt 10 English songs.
He has never seen a 4-D film.
More examples:
1. A:Have you seen my food 你看见我的食物了吗？
B: Yes. I’ve just eaten it. 是的，我刚刚把它吃完。
Language points
现在完成时
①肯定形式: 主语+have/ has +过去分词
He has already eaten a bar of chocolate.
他已经吃了一块巧克力。
My hometown has changed a lot in the past twenty years.
我的家乡在最近的二十年里发生了翻天覆地的变化。
②否定形式：主语+haven’t /hasn’t+过去分词
I haven’t written the letter yet. 我还没有写信。
She hasn’t ridden a horse before. 她以前没骑过马。
③疑问形式：—Have/ Has +主语+过去分词…？
—肯定回答：Yes, 主语+have/has.
否定回答：No, 主语+haven’t/ hasn’t.
—Have you ever read Coco 你曾经看过《寻梦环游记》吗？
—No, I haven’t.不，我没看过。
—Has he ridden a horse so far 到目前为止他骑过马吗？
—Yes，he has.是的，他骑过。
2. I've just eaten it.我刚才把它吃了。
just adv. 意为“刚才”，常与完成时连用。
They have just arrived.他们刚刚到达。
【注意】
just now 意为“刚才”，相当于a moment ago, 通
常与一般过去时连用。
I went to the library just now.我刚才去了图书馆。
3. Youused tobe so kind to me.你过去对我那么好。used to dosth.过去常常做某事表示过去经常做或一直做某事，而现在不做了，它只表示过去时态。①肯定形式:主语+used to+动词原形She used to be a history teacher.她过去是一名历史老师。He used to listen to pop music ,but now he likes rock music.他过去总听流行音乐，但现在喜欢摇滚了。②否定形式：主语+used not to+动词原形...
主语+didn’t use to+动词原形...
The shop usedn’t to open on Sundays .
=The shop didn’t use to open on Sundays.
过去这家商店星期天不营业。
③疑问形式：Used +主语+ to +动词原形...
Did +主语+ use to +动词原形...
Used you to go to the museum
=Did you use to go to the museum
你昔日可常去博物馆？
【拓展】
①There used to be...曾经有……；过去常常有……
There used to be a steel factory.
往日此处曾有一家钢铁厂。
②be used to doing sth.习惯于做某事
My father is used to reading newspapers after dinner.
我父亲习惯晚饭后读报。
base form 原形 simple past 过去式 past participle
过去分词
change
eat
see
use
Summer
changed
ate
saw
used
changed
eaten
seen
used
base form
原形
see
have/has seen
eat
have/has eaten
change
have/has changed
use
have/has used
Have a try！ (想一想，试一试)
present perfect tense
现在完成时
In the past
In the past, people usually rode bikes when they went to a place nearby.=People used to ride bikes when they went to a place nearby.
At present, shared bikes are becoming more and more popular in our daily life. It is easy for us to get around on shared bikes.We should park the shared bikes in a proper place.
At present
In the past
In the past, people usually took a green train
to go to other cities. It took about 12 hours from Lianyungang to Beijing on a green train.
At present
At present, people usually take high-speed
trains to go to other cities. It takes about 6
hours from Lianyungang to Beijing by
high-speed train.
coachbustaxiundergroundtrainplaneWrite the correct names under the pictures. Millie and her dad are talking about transport at different times.Work in pairs and take turns to talk about it.Use the conversation below as a model.
1.How did Millie’s dad go to schoolwhenhe wasa student 2. Why didn’t he take a bus 3. How does Millie go to school Listen and answerHe used to go to school by bike.Because there were too many people on the bus.She goes to school by bus.Millie’s dad went to school when he was a student. He u____ to go to school by bike.He didn’t take a bus b________ there were too many people on it. And it t____ a long time to wait for the next o_____. However, Mille goes to school by bus at p________. Because it ise____andfast.sedecauseookneasyresentFill in the blanks past present
go to school on foot/ by bike by bike/bus/underground
go around the city by bus by bus/taxi/car
go to other cities by coach by coach/train/plane
S1: How did you … when you were a primary student
S2: I used to … by …
S1: Why didn’t you take a …
S2: Because…
S1: How do you … now
S2: I …by underground/….
Make a dialogue and act it out.
Advantages and disadvantages of change
What types of transportation do you prefer
What advantages and disadvantages do modern forms of transportation bring us
Discussion
Why should we choose public transport
在碗里
过去常常做...
和我分享食物
对我如此的友好
太多的人
等某人/某事
做...花费...时间
in the bowl
used to do
share food with me
be so kind to me
too many people
wait for sb./sth.
it takes some time to do sth.
Summer
步行去学校
骑自行车去学校
乘公车去学校
walk to school
go to school on foot
ride a bike to school
go to school by bike
go to shcool on a bike
take a bus to school
go to school by bus
go to school on the bus
1. 介词表达方式
go to ... by + 交通方式（bus, train, air...）
go to ... on/in + a/the + 交通方式
on the bus, on a bike, in a car, on foot ...
2. 动词表达方式(take)
take + a/the + 交通方式 to ...
e.g. 他每天骑车上学。（3种表达方式）
He goes to school by bike every day.
He goes to school on his bike every day.
He rides a bike to school every day.
特殊：walk, ride a bike
交通方式的英语表达
根据句意及汉语提示填单词。
1.How was Yunnan in the _______(过去)
2. My mother is cooking dinner at _______ (现在).
3. Mr Brown has _______ (刚刚)arrived here.
4.Tony felt so _______ _(饥饿的).He ate somebread.
5. Can you_______(分享) the desk with me
6. Great ________(变化) have taken place in this city since 1984.
Ecersises
past
present
just
hungry
share
changes
句型转换。
1.He went to work by train.(改为同义句)
2. She isn't at home now.(改为同义句)
3. Jack often took a bus to school in the past.(改为同义句)
4. I didn't come to school because I felt sick this morning.(对画线部分提问)
5. His father was in the office at that time.(对画线部分提问)
6. It took me about a quarter to walk to the park.(对画线部分提问)
He tooka train _ to work.
She isn't at home at present.
Jack used to takea bus to school.
Why didn't you come to school this morning
Where was his father at that time
How long did it take you to walk to the park
谢谢
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