牛津译林版初中英语八下 Unit1Past and present welcome to the unit课件

课件43张PPT。 8B Unit 1
Past and presentin the past at present (now)Free Talkin the pastat present (now)in the pastat present (now)A coach has changed a lot. A bike has changed a lot, too.I go to work by e-bike every day. How do you go to school every day?If I want to go to the USA, how can I get there?plane3. How did your father/mother go to work in the past?1. Where did you go during this winter holiday? How did you go there? Why?Free Talk2. How do you and your friend go to
school at present?Transport at different timescoachbusundergroundtaxitrain plane1. It’s faster and more expensive than bus,
if you are in a hurry, you prefer it. ( )taxiGuessing Games2. There are many of them. Each one
has wheels and takes you to many
places in and around your city. ( )bus5. It is the fastest way of traveling and
was introduced to Beijing in 1958.
( )
6. Thousands of people travel to work
on it every day, it is faster than a bus
but not expensive. ( )planeunderground7. It is a kind of bus, but it is used for
carrying passengers(乘客) over long
distances(距离). ( )
8. It is the safest way of traveling. It
travels on the railway and has several
carriages(车厢). ( )coachtrainTransport at different times______________________________coachbustaxiundergroundtrainplaneListen and answer:
How did Millie’s dad go to school
when he was a student?
2. Why didn’t he take a bus?
3. How does Millie go to school? Why?He used to go to school by bikeBecause there were too many people on the bus,
and it took a long time to wait for the next one.Millie goes to school by bus,
because it’s easy and fast.Work in pairs:
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.Listen to the dialogue between Eddie and Hobo and answer the following questions:
Where was Hobo’s food an hour ago?
It was in the bowl.
2. Why did Eddie eat food?
Because he was very hungry.
3. Is Hobo happy?
No, he isn’t.
4. What does Hobo think of Eddie?
He thinks Eddie has changed.Listen and answer1. Eddie, have you seen my food?Eddie, 你看见我的食物了吗？（你知道我的食物在哪儿吗？）base form
原形simple past
过去式past participle
过去分词seesawseenhave/has + 过去分词
[此结构为“现在完成时(present perfect tense)”,表示过去的动作一直延续到现在，或与现在有一定联系]Some key points(要点):base form
原形simple past
过去式past participle
过去分词eatateeaten2. I’ve just eaten it.（I’ve = I have) 我刚刚把它吃了。现在完成时: have eatenbase form
原形simple past
过去式past participle
过去分词changechangedchanged3. You’ve changed, Eddie. (You’ve=You have)你（已经）变了。现在完成时: have changedbase form
原形simple past
过去式past participle
过去分词seesawseeneatateeatenchangechangedchangeduseusedusedHave a try！ (想一想，试一试)现在完成时:have/has usedbase form
原形seehave/has seeneathave/has eatenchangehave/has changedusehave/has usedHave a try！ (想一想，试一试)present perfect tense
现在完成时1. Eddie, have you seen my food?2. I’ve just eaten it.（I’ve = I have)3. You’ve changed, Eddie. (You’ve=You have)base form
原形simple past
过去式past participle
过去分词useusedused我已经使用这支钢笔长达两年了。I this pen for two years.have usedHave a try！ (想一想，试一试)1.Have you seen my food?
(see—saw—seen)
2.I’ve (I have) eaten it.
(eat—ate—eaten)
3.You’ve changed ./ You’ve changed too.
4.We have not seen him for a long time …… ???????
Explanations
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 ______.Eddie ____ ___ share food with Hobo.
Eddie thinks Hobo has changed too, Hobo ___ ____ ___ so kind to Eddie.wasbowleatenhungrychangedused toPracticeFill in the blanksused to beRead and act1.Have you seen my food?解析：此句时态是现在完成时疑问形式。现在完成时由“主语+have/has +动词过去分词形式”构成。它的要义在于表达过去已经发生的事情对现在造成的某种影响，或者，强调过去发生的事情一直持续到现在的状态。
它的否定形式为：haven’t /hasn’t +动词过去分词
它的疑问形式：把have或者 has 提到相应主语的前面。For example:
A: Have you studied English for ten years?
B: Yes, I have. And you?
A: No, I haven’t.
B: Then how many years have you learnt
English?
A:I have learnt it for eight years.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。
他们刚刚到达。
They have just arrived./They arrived just now.
注意：just now 意为“刚才”，相当于“a moment ago”通常与一般过去时连用。
我刚才去了图书馆。
I went to the library just now./I have just gone to the library.3.You used to share food with me!
你过去常与我分享食物！
used to do sth. 意为“过去经常做某事，以前常常做某事”，表示过去的习惯。本身已是过去时态，没有人称和数的变化，暗含现在已不再如此。
他的父母过去住在乡下。
His parents used to live in the countryside.
Tom 过去常常早起，不是吗？
Tom used to get up early, didn't he?/usedn't he?
be used to doing sth.习惯于做某事
我父亲习惯晚饭后读报。
My father is used to reading newspapers after dinner.share v. 共用；分享
分享某物
share sth
和某人分享某物
share sth with sb
注意：share sb sth ×没有这种表达方式！ 4.past n. 意为“过去”。
她正在回忆过去。
She is thinking of the past.
past adj.意为“过去的”
他病了三周了。
He has been ill for the past three weeks.
in the past 过去
in the past few years 在过去的几年中
5.present
n. 现在，目前 at present
n.礼物, 相当于gift.4.past prep. 经过
他从我旁边经过。
He went past me.
He passed me.Multiple Choice1. He used to( ) in a small village, but now he has been used to( ) there .
A. live; living B. live; live C.living; living
2.Rose( )her chocolate with a friend. Both of them were happy.
A.started B.worked C.shared D.compared√√Put the following into English:
1) 一小时之前
2) 和某人分享
3) 过去常常做
an hour agoshare with sb.used to do sth4) 我很饿。我想吃一些食物。
5) Jim变了很多。他现在学习很努力。Jim has changed a lot. He works very hard now. I’m hungry. I want to eat some food.1. He is working at _______.(目前)
2. I have never traveled by
____________. (地铁)
3. He ______ to go to school by bus.(过去常常）presentundergroundFill in the blanks:used4. I can’t remember the ____ (time before
the present).
5. You _____________(已经改变了), you
wanted to play with me. have changedpastTanslation
1.我刚刚完成我的作业。
2.过去这里有一所老房子。
3.现在我们不再需要什么了。
4.我喜欢和朋友分享我的快乐。
5.我过去常常帮助李明学英语。I have just finished my homework.
There was an old house in the past.
We don't need anything at present.
I like to share my happiness with my friends.
I used to help Li Ming with his English.Homework Remember the words and expressions in this lesson.
2. Preview the reading
part.Homework Remember the words and expressions in this lesson.
2. Preview the reading
part.