Unit 13 We're trying to save the earth! Section A 3a , 3b 现在进行时五种用法总结 课件(共有PPT27张）

(共27张PPT)
Unit 13
We’re trying to save the earth.
Section A 3a , 3b
2. What do you know about the sharks
Free talk
1. What animals can you see
sharks
the food chain
in the ocean’s
ecosystem
at the top of
endangered
the strongest
[t e n]
[i:k s st m]
fin
[f n]
shark fin soup
Before reading!
cruel
catch
throw…back
cut off
no longer
be harmful to
[kru: l]
[hɑ:mfl]
Prediction
the sharks !
What does this passage mainly talk about
Save
Para 1
Para 2
Para 3
Read the passage quickly. Find out what the main idea of each paragraph is
Skimming:
Paragraph 1
Paragraph 2
Paragraph 3
Take action to
protect the sharks
Sharks are endangered
Talk about shark fin soup
3a
Where shark fin soup is popular
Number of sharks caught and traded every year
How much the numbers of some kinds of sharks have fallen in the last 20 to 30 years
Two environmental groups which are against “finning”
southern China
70 million
over 90 percent
WildAid and the WWF
3a
Fast reading
Read the passage about sharks and complete the fact sheet below.
Careful
reading!
Read Para 1. and answer
Is shark fin soup famous and expensive all
around the world
2. Do you realize that you’re killing a whole shark when you enjoy a bowl of shark fin soup
No, it is popular in southern China .
Yes .
1. Without a fin, a shark can still swim and
never dies .
2.If their numbers drop too low, it will bring
danger to all ocean life.
3. Sharks will never be endangered because
they are the strongest in their food chain.
4. The numbers of some kinds of sharks have
fallen by over 90 percent every year.
T
F
F
Read Para 2. and tell “T” or “F”
Careful
reading!
no longer
slowly
although
F
in the last 20 to 30 years
Careful
reading!
Read Para 3. and answer
1. What are WildAid and the WWF doing
2. What else have they done
3. Have scientific studies shown that shark fins
are good for our health
Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins. So far, no scientific studies have shown that shark fins are good for health, so why eat them Help save the sharks!
They are teaching the public about “finning”.
They have even asked governments to develop laws to
stop the sale of shark fins.
one part of the body
B. cutting off and getting shark fins
1.They are teaching the public about “finning”.
fin (现在分词）_________
finning
2. They have even asked governments to develop
laws to stop the sale of shark fins.
A. noun B. verb
Many people do not realize they are killing a whole shark ________they enjoy a bowl of shark fin soup.
2. Sharks are at the top of the food chain, ___________ if their numbers drop, the ocean’s ecosystem will be in danger.
3. Many think that sharks are too strong to
be endangered, _________they are wrong.
___________there are no scientific studies to support this, a lot of people believe that shark’s fins are good for health.
5. Sharks may disappear one day_________ we do not do something to stop the sale of shark fins.
Read the passage again and fill
in the blanks with the words in the box.
so
although
if
but
when
3b
when
so
but
Although
if
After reading!
Let’s take action! (采取行动)
environmental protection groups
the sale of shark fins
develop laws
Stop !
(世界自然基金会）
Homework
1.Read 3a skillfully.
2.Write at least 5 measures to protect the environment.
3.Do exercise book.
Grammar Focus
现在进行时五种用法总结
Look! What are they doing now
They are playing basketball now.
She is running now.
be (am/is/are) +doing
Present progressive 现在进行时
I’m studying now.
表示说话时正在进行的动作，强调
“此时此刻”
标志性词：look/ listen/ now/ at the moment
Look! They are playing basketball now.
Tom is running now.
看！ 他们正在打篮球。
汤姆正在跑步。
be (am/is/are) +doing
2. 表示现阶段正在进行的事情，
不一定说话时正在进行
He is writing a novel these days.
他这些天正在写小说。
We are planting trees this month.
这个月我们在植树。
标志性词：at present ,this week ,these days
3. 表示按计划或安排将要发生的事，用进行时表将来。
come , go, leave, start, take off, set off 等。
He is coming!
他要来了！
I’m leaving for Bei Jing.
我马上要离开去北京了。
瞬间动词
4.表示渐变
get, grow, become, turn, go等
系动词
The leaves are turning red.
叶子在变红
It’s getting warmer and warmer.
天越来越热了。
5. 与always, forever 等连用,带人的主观色彩。
反复发生的动作或持续存在的状态
You are always changing your mind.
你老是改变主意。
He is forever thinking of others.
他心里总是考虑着别人。
1.It's 7o'clock now．Tom ______ dinner at home．
A．is having B．has C．have D．not having
2.﹣Hi，Jane，tell you a piece of good news．I ____ America tomorrow．
﹣Wow，have a good trip!
A．will leave to B．leaves for
C．am leaving for D．going leaving for
3.﹣﹣﹣Hey，Tom．Let's go swimming．
﹣﹣﹣Just a moment．I ______ a message．
A．send B．sent C．am sending D．have sent
1.表示说话时正在进行的动作
3. 进行时表将来
实战演练：
4.What lesson ____ you ___(study) this week
5.She___ always _____(help) people.
helping
studying
are
is
6. The weather _________ (get) colder and colder.
is getting
2.表示现阶段正在进行的事情
5. always, forever 等连用,带人的主观色彩
4.表示渐变
实战演练：
1. Where is Mr. Wang
--Oh, he ______(read) a news paper in the office.
2. Be quiet please! My little sister ______(sleep) .
3. Is that boy Jack
--No, Jack __(do) his homework in the classroom.
易错点：
is reading
is sleeping
is doing
2.______ you _______(meet)Bill this evening
1.He ________always ________(cause)trouble.
4. May I see your ticket please I think you _____ in
my seat.
--Oh, you are right. I'm terribly sorry.
A.sit B. are sitting C. will sit D. sat
他总是惹麻烦。
你今晚将和比尔见面吗
难点突破：
causing
is
Are
meeting
3.The zoo keepers is worried because the number of visitors ______smaller and smaller.
A. become B. became C.is becoming D.have become
Summary:
表示说话时正在进行的动作，强调
“此时此刻”。
2. 表示现阶段正在进行的事情，
不一定说话时正在进行。
3. 表示按计划或安排将要发生的事，用进行时表将来。
4.表示渐变。
5.反复发生的动作或持续存在的状态。
be (am/is/are) +doing
谢谢聆听