Unit 7 Protect the Earth Story & Grammar time课件(共18张PPT)

(共18张PPT)
Unit7 Protect the Earth
（第二课时：Grammar time）
Let’s review
Water is ___________. We drink water and __________ water to _______ _______ everyday. In many places, there is not ____________. We should not ___________. We should __________ and ___________ it.
Save water
useful
use
clean
things
much water
waste water
reuse
save
Let’s review
Most of our energy comes from _______ and _______. There is not _______________on Earth. We should ___________. We should not ____________because cars use ________________.
Save energy
coal
oil
much coal and oil
save energy
drive so much
a lot of energy
Let’s review
Wood comes from _________. We use wood to __________, _______ and many other things. We should not ____________________, because trees help ________________.
Save wood
trees
make tables
chairs
cut down too many trees
keep the air clean
Let’s review
We use plastic to ___________________. But too much plastic is _______ for the Earth. We should not _______ too many __________ or _______. We should use __________ and ____________.
Don’t use too much plastic
make bags and bottles
bad
use
plastic bags
bottles
paper bags
glass bottles
Brainstorm
water
coal
oil
wood
plastic
What can we use these to do
...use...to...
Let’s find
We use water to
We use plastic to
We use wood to
clean things.
make bags and bottles.
make tables, chairs
use
to
sth.
do …
and other things.
use+名词+to+动词/动词词组
Let’s say
water
sit
trees
wood
chairs
We use water to plant trees.
Wood comes from trees.
We use wood to make chairs.
We sit on the chairs.
use...to...
We should love and protect our Earth.
1. Do you reuse water
Yes. No.
2. Do you write on both sides（面）of paper
Yes. No.
3. Do you often go to school
by car
Yes. No.
4. Do you often use plastic
bags or bottles.
Yes. No.
We should reuse water.
We should write on both sides
（面）of paper.
We should not drive so much.
We should not use too many
plastic bags or bottles.
We should reuse water.
We should write on both sides
（面）of paper.
We should not use too many
plastic bags or bottles.
We should not drive so much.
Let’s survey
We should reuse water.
We should write on both sides
（面）of paper.
We should not use too many
plastic bags or bottles.
We should not drive so much.
We
should
reuse water.
We
should
write on both sides of paper.
We
should not
drive so much.
or bottles.
We
should not
use too many plastic bags
Let’s find
We
should
reuse water.
We
should
write on both sides of paper.
We
should not
drive so much.
or bottles.
We
should not
use too many plastic bags
should
should not
do …
should:情态动词，含义是应该，后面跟动词的原形。should的否定形式是should not,后面仍旧跟动词原形哦！
Let’s say
What should we do What should we not do
We use water to … reuse/save waste
wood plant/reuse cut down
oil/coal walk drive so much
plastic use too much
Let’s protect our Earth. And we know how to protect our Earth, what we should do and what we shouldn’t do. Look at the key words and try to tell us how to protect the Earth.
规则：1. 四人一组轮流说一说保护地球的措施。
2. 比一比谁说的更多。
Let’s write
Dear __________ :
I’d like to be the Environment Protector. I love the Earth.
I always save_______________________________.
I never waste________________________________.
I use________________ to______________________.
I can tell what we should do. Such as, _________________.
I also can tell what we should not do. Such as(例如）_______.
Thank you for considering(考虑) my application.
Yours__________
Congratulations !
Now you can be the Environment Protector !
Let’s summarize
1.Make some sentences with “use…to…”, “We
should/should not…” .
2.Find the rules and discuss in groups.
Homework
必做：
1. Read Grammar time three times.读Grammar time 三遍。
2. Finish the exercise of Grammar time.
完成《伴你学》Grammar time。
选做：
1. Make a poster about environment protection in groups.
做一张关于环境保护的海报，用上今天所学的句型哦！
2. Discuss with your classmate how to do more to protect the
Earth.和你的同学谈一谈如何做的更多来保护地球。