(共69张PPT)
Unit 4 Amazing things
1.[ɡaid]
2.[, ntr 'd k n]
3.['p ti]
4.['d ud u]
5.[da ]
6.[fr ɡ]
7 .['p iz n s]
8. [f kt] .[ i:t]
1. guide 导游；指南
2. introduction 介绍
3. pity 遗憾；可惜
4. dodo 渡渡鸟
5. die 死亡
6. frog 青蛙
7. poisonous 有毒的
8. fact sheet 资料单
9.['dain s :]
10.[ 'ɡ u]
11.[ 'pi ]
12.['sa nt st]
13.[wei]
14.['kil uɡr m]
15. [ɡrɑ:s]
16. [lei]
17.['beibi]
9. dinosaur 恐龙
10. ago 以前
11. appear 出现
12. scientist 科学家
13. weigh 重
14. kilogram 千克；公斤
15. grass 草
16. lay 下（蛋）；产（卵）
17. baby 婴儿
guide
introduction
poison
poisonous
die
frog
fact 事实
sheet单子
fact sheet 资料单
dodo
last May Day holiday
China Dinosaur Park
We flew kites that day.
I took many photos.
My friends rowed a boat last May Day.
I didn’t row a boat. Did you row a boat in the past
I saw a parade(游行）
They danced happily.
I didn’t dance.
A boy cried that day.
Did you cry when you were young
Yes, I did./ No, I didn’t.
I chatted with my friend on the grass.
I didn’t chat with them on the bus.
一般过去时(I)
We use simple past tense ___ talk ______ things ____ ____ _____ .
to
about
in
past
一般过去时的含义:
1.表示过去某个时间发生的事情。
，
the
一般过去时的典型标志:
last Tuesday/week/month…
yesterday (morning/afternoon…)
this morning
…ago (2 days ago/5 weeks ago/10 years ago…)
the day before yesterday
前天
in +过去的年份 （in1860/ in 1978/ in 2000 …）
just now = a moment ago
刚才
今天上午
dodo
The last dodo died in 1681.
It disappeared in 1681.
[ d ]
[ d ]
move
moved
use
used
play computer games
watch TV
cook
played [ d ]
watched
cooked
[ t ]
cry
cried
carry
carried
study
studied
chat
chatted
stop
stopped
shop
shopped
eat
read
lay eggs
in 2002
take a photo
yesterday morning
took
ate
laid
read
in 2007
Listen and tell what you hear
Sandy_________________________
bought a CD yesterday evening.
Listen and tell what you hear
Simon________________
danced at the party.
Listen and tell what you hear
Millie_________________________
walked to school yesterday morning.
Millie_________________________
went to school on foot yesterday morning.
Listen and tell what you hear
They___________________
watched TV last night.
Listen and tell what you hear
The boys_______________________
visited the Museum last Sunday.
动词过去式
的构成
规则动词
不规则动词
构成
动词过去式的类型？
规则动词过去式的构成
构成规则
例词
2、结尾是 e 的
动词加-d
1、一般在动词原形末尾加-ed
live lived
hope hoped
use used
look looked
play played
start started
规则动词过去式的构成
构成规则
例词
3. 末尾只有一个辅音字
母的重读闭音节词,
先双写这个辅音字
母，再加-ed
stop stopped
plan planned
4. 结尾是“辅音字母+y”
的动词, 先变“y”为“i”
再加-ed
study studied
carry carried
PRACTISE
Part A1 on page 66
1-4: +ed
5-6: +d
7: played
8: carried
9: chatted
不规则动词表
Infinitive Past tense
am is was
are were
begin begun
break broke
bring brought
build built
buy bought
can could
不规则动词表
Infinitive Past tense
catch caught
come came
do did
draw drew
drink drank
drive drove
eat ate
fall fell /e/
不规则动词表
Infinitive Past tense
find found /au/
get got
give gave
go went
say said /e/
see saw
spend spent
wake woke
PRACTISE
Part A2 on page 67
1. went 2. got 3. gave 4.found 5. spent 6. saw 7. had
1. Look 2. live 3. stop
4. carry 5. hope 6. trip
7. call 8. finish 9. want
10.are 11.go 12.have
13.do 14.get e
16.say 17.see 18.put
19.eat 20.take 21.read
动词过去式转换练习
将下列动词变为过去式
looked
lived
stopped
carried
hoped
tripped
called
finished
wanted
were
went
had
did
got
came
said
saw
put
ate
took
read
1.行为动词的一般过去时句式：
肯定句： 主语+行为动词过去式+其他
否定句： 主语+did not+动词原形+其他
一般疑问句：
Did+主语+动词原形+其他？
Yes,主语 did.
No,主语 didn’t.
句子类型？句子结构？
The girl bought a CD yesterday evening.
（改为否定句）
didn’t buy
The girl bought a CD yesterday evening.
（改为一般疑问句）
Did
buy
the
Skills
Simon danced at the party.（否）
Millie went to school on foot yesterday morning. （疑）
Millie walked to school yesterday evening. （否）
They watched TV last night. （疑）
The boys didn’t visit the Museum last Sunday. （肯）
didn’t dance
Did Millie go
didn’t walk
Did they watch
v isited
Task in class
Daniel: _______you _______(go) to China Dinosaurs park yesterday
Millie: Yes, I ______.It’s interesting!
Daniel: What a pity! I ____________(not go) with you.
Millie: Don’t worry! I can tell you everything.
Daniel: ______you ________(see) a strange bird
Millie: Yes .I _______(see) a dodo. The last dodo _______(die) in 1681.
Daniel: What else ______you ________(see)
Millie: Frogs. They are beautiful but poisonous.
Daniel: _________the guide _________(tell) you anything interesting
Millie :Yes. She also _________(give) each of us a fact sheet about the amazing things in the world.
Daniel: ______you _______(take) photos
Millie: No, we ________(do)
Did
go
did
didn’t go
Did
Did
Did
see
saw
see
did
didn’t
died
tell
gave
take
Some dinosaurs _______(eat) plants and others______(eat) meat,but they ________(not eat)grass.All dinosaurs ________(have) four legs.They all ________(live) on land.
Dinosaurs ______(lay) eggs.Some parent dinosaurs _______(take) care of their babies;some ________(do not).
The last ones ________(die) more than 60 million years ago.Nobody knows why.
ate
ate
didn’t eat
had
lived
laid
took
didn’t
died
一般过去时(II)
Different forms of the verb ‘to be’
am was
be is was
are were
It is rainy and we are cool today
It was sunny and we were hot yesterday.
We use was/were to talk about the state in the past
I am 13 years old.I _____born in 1995.
He is 13 years old.He ____born in 1995.
They are 13years old.They _____born in 1995
was
was
were
small
short
fat
tall
thin
YaoMing Liu Xiang Your classmate
1980 1983
A:Was Yaoming born in …
B:Yes,he was/ No,he wasn’t
A:Were you born in…
B:Yes,I was./No,I wasn’t.
thin lovely kind Fat beautiful busy At home, tired,happy, …
A:Was Miss Tang fat at that time
B:Yes,she was; No ,she wasn’t.
A:Were you …the day before yesterday
肯定句： 主语+was/were+其他
否定句： 主语+was/were not+其他
一般疑问句：
Was/were+主语+其他？
Yes,主语 was/were.
No,主语 wasn’t/weren’t.
I am twelve years old.
我去年11岁。
I was eleven years old last year.
He is in Beijing now.
他现在在北京。
Please complete the following
我今年12岁
他昨天在家里。
He was at home yesterday.
They are in China today.
他们今天在中国。
They were in Japan yesterday.
他们昨天在日本。
Please complete the following
Tips：
be
am
is
are
was
were
注：was,were与主语不能缩写
Task in class
Simon:It_______a happy day yesterday,right
Sandy:Yes,it _______.But I didn’t see Daniel.Where_______he
Simon:He ________ill.He_________at home.
Sandy:What a pity!There _________so many amazing animals in the park!
Simon:_________you afraid of those strange animals
Sandy:Yes,I _______ a little afraid.
Simon:How about Millie and Amy
Sandy:They _______afraid at all.They_______quite fond of amazing things
Simon:_______you tired after the visit
Sandy:No,I _________.I_______very excited to see so many amazing things.
Simon and Sandy’s past
Amazing things about dinosaurs
live on Earth
a long time ago
the first dinosaurs
appear 230 million years ago
the smallest dinosaurs
one metre long
weigh 3 kilos
some large ones
40 metres long
weigh 100,000 kilos
different kinds of dinosaurs
not live at the same time
hundreds of
Dinosaurs’ food
plants
meat
eat
ate
lay eggs
Dinosaurs _________(live) on Earth a long time ago. We now know that the first dinosaurs _________(appear) about 230 million years ago. However, scientists believe they ________(be ) not the first animals on Earth.
There _______(be) hundreds of different kinds of dinosaurs, but they _______________(not live) at the same time.
lived
appeared
were
were
didn’t live
Can you help me
Some dinosaurs _________(be) really small.One of the smallest dinosaurs_____(be) about one metre long and ________(weigh) about three kilograms.Others ______(be) really big.Some very large ones ________(weigh) over 100,000 kilograms and some _________(be ) about 40 metres long.
were
was
weighed
were
weighed
were
Some dinosaurs _______(eat) plants and others______(eat) meat,but they ________(not eat)grass.All dinosaurs ________(have) four legs.They all ________(live) on land.
Dinosaurs ______(lay) eggs.Some parent dinosaurs _______(take) care of their babies;some ________(do not).
The last ones ________(die) more than 60 million years ago.Nobody knows why.
ate
ate
didn’t eat
had
lived
laid
took
didn’t
died
Useful expressions:
1. be afraid of 2. not… at all
3. be fond of 4. a long time ago
5. hundreds of 6. different kinds of
7. at the same time
8. weigh (about three kilograms)
9. over (100,000 kilograms)
10. on land
11. take care of 12. more than
总结一般过去时
动词一般过去时，表示过去发生的事；
be用was或用were, have, has变had；
谓语动词过去式，过去时间做标志；
一般动词加-ed，若是特殊得硬记。
否定句很简单，主语之后didn’t添；
疑问句也不难，did放在主语前；
谓语之前有did，谓语动词需还原；
动词若是was, were,否定就把not添。
课堂检测
改写句子：
1. Lucy did her homework at home.
（否定句）
Lucy _______ _____ her homework
at home.
2. He found some meat in the fridge.(一般
疑问句)
______ he _____ ______ meat in the
fridge
didn’t
do
any
find
Did
3. She stayed there for a week.
（划线部分提问）
______ ______ _____ she _____ there
4. There was some orange in the cup.
(一般疑问句)
_____ there _____ orange in the cup
stay
did
long
How
any
Was
5. She cut the apple with a knife.
（一般疑问句）
_____ she _____ the apple with a knife
6. I didn’t wake up at six this morning.
(肯定句)
I ______ _____ at six this morning.
cut
Did
up
woke
Homework
1.记住一般过去时的用法和常用的时间状语
2.记住一般过去时的肯定句、否定句和一般疑问句及其回答。
3.记住规则动词的构成规则和pages 66 & 67动词的不规则变化。
4. 写一篇小短文描述你家人上周末所做的事情
