LESSON 7: Looking back
HAI XUAN SECONDARY SCHOOL
WELCOME TO CLASS 6A!
Tuesday, April 26th,2022
UNIT 11: OUR GREENER WORLD
Vocabulary
Grammar
Vocabulary about environment
Articles: a, an, the
First conditional.
Our Greener World
LOOKING BACK
I. VOCABULARY


plastic bags
noise
can
glass
paper
bulb
clothes
plastic bottle
water
rubbish
1. ……….… 2. ...…...….....… 3. .....….…. 4. …..…............ 5.…........
6. ……...........… 7. ….…...... 8. ….….... 9. ….………. 10. …..…....
1. Add more words to the word webs below.
REDUCE
WATER
ELECTRICITY
PAPER
GAS
RUBBISH
SMOKE AND EXHAUSE FUME
REUSE
ENVELOPE
Plastic / glass
BOTTLE
PLASTIC BAG
CAN
LIGHT BULB
PAPER
1. Add more words to the word webs below.
RECYCLE
CAN
BOOK
PLASTIC BAG
PLASTIC BOTTLE/BOX
USED PAPER
GLASS
1. Add more words to the word webs below.
Reduce
Reuse
Recycle
clothes, glass, water, bulb, can, plastic bag, paper, plastic bottle
rubbish, glass, bulb, can, plastic bag , paper, plastic bottle
rubbish, noise, water, plastic bag, paper, plastic bottle
* Can you add more words to your book?
Electricity, gas, petrol,…
Box, newspaper, book, school bag,…..
Newspaper, book, shoes,…….
2. In pairs, ask and answer questions about the 3Rs.
A: Can we reduce water use?
B: Yes, we can.
A: How?
B: Don’t take a bath.
Example:
II. GRAMMAR
LOOKING BACK
1. Articles: a, an, and the (mạo từ a, an, the)
- Mạo từ là từ đứng trước danh từ và cho biết danh từ ấy đề cập đến một đối tượng xác định hay không xác định.
- Mạo từ được chia làm 2 loại: mạo từ chưa xác định (a /an) và mạo từ xác định (the).
A pencil
An orange
The sun
Mạo từ chưa xác định (a/an)
a/an dùng trước danh từ số ít đếm được. a dog, a table, an apple…
a/an có nghĩa là một.
A lion lives in the jungle.
a/an dùng trước danh từ được nhắc đến lần đầu tiên.
a/an + (adj) + N
Trong đó :
“a” dùng với các danh từ hoặc tính từ bắt đầu bằng phụ âm.
“an” dùng với các danh từ hoặc tính từ bắt đầu bằng nguyên âm (u,e,o,a,i).
An ant is a tiny animal.
Mạo từ xác định (the)
dùng trước danh từ nhắc đến lần 2 hoặc là vật ai cũng hiểu:
John has a dog. The dog is called Rover.
The bike in front of her house is nice.
trước danh từ là duy nhất.
The air is dirty.
The Sun is hot.
Write a / an or the.
1.
If I see
2.
3.
_______ Moon is bright tonight.
Does your town have
4.
There is a big temple in the town.
5.
- Is your mother
_______ dog, I will run away.
a dog, I will run away.
_______ art gallery?
an art gallery?
The Moon is bright tonight.
_______ temple is very old.
The temple is very old.
- No, she isn’t. She’s
_______ teacher?
a teacher?
_______ artist.
an artist.
=> Câu điều kiện loại 1 diễn tả nếu có điều kiện này thì sự việc kia sẽ xảy ra ở tương lai.
* Example:
If you use less paper, you will save a lot of trees.
2. First conditional. (câu điều kiện loại 1)
* Example:
If you use less paper, you will save a lot of trees.
Mệnh đề điều kiện (Nếu)
Mệnh đề chính (Thì)
use
will save
Thì hiện tại đơn
Thì tương lai đơn
2. First conditional. (câu điều kiện loại 1)
Write the correct form of each verb in brackets.
1.
If they (build) _______ an airport here, it (be) _______ very noisy.
2.
People (save) _______ the environment if they (reuse) _______ old items.
3.
If we (grow) _______ trees, our school (be) _______ greener.
4.
If we (not have) _______ enough food, we (be) _______ hungry.
5.
If we (be) _______ hungry, we (be) _______ tired.
If they (build) build an airport here, it (be) will be very noisy.
People (save) will save the environment if they (reuse) reuse old items.
If we (grow) grow trees, our school (be) will be greener.
If we (not have) don’t have enough food, we (be) will be hungry.
If we (be) are hungry, we (be) will be tired.
Combine each pair of sentences below to make a first conditional sentence.
1.
We walk or cycle. We are healthy.
2.
We use the car all the time. We make the air dirty.
3.
You reuse paper. You save trees.
4.
You make noise. Your sister doesn’t sleep.
5.
I see a used bottle on the road. I put it in the bin.
2
1
3
4
5
6
7
Who’s faster?
If you reuse paper, you will save trees.
Who’s faster?
10
09
08
07
06
05
04
03
02
01
00
Who’s faster?
3. You reuse paper. You save trees.
If we walk or cycle, we will be healthy.
Who’s faster?
10
09
08
07
06
05
04
03
02
01
00
Who’s faster?
1. We walk or cycle. We are healthy.
If you make noise, your sister will not / won’t sleep. 
Who’s faster?
10
09
08
07
06
05
04
03
02
01
00
Who’s faster?
4. You make noise. Your sister doesn’t sleep.
If we use the car all the time, we will make the air dirty.
Who’s faster?
10
09
08
07
06
05
04
03
02
01
00
Who’s faster?
2. We use the car all the time. We make the air dirty.
If I see a used bottle on the road, I will put it in the bin.
Who’s faster?
10
09
08
07
06
05
04
03
02
01
00
Who’s faster?
5. I see a used bottle on the road. I put it in the bin.
Lucky apple
Lucky apple
Combine each pair of sentences below to make a first conditional sentence.
1.
We walk or cycle. We are healthy.
2.
We use the car all the time. We make the air dirty.
3.
You reuse paper. You save trees.
4.
You make noise. Your sister doesn’t sleep.
5.
I see a used bottle on the road. I put it in the bin.
If we walk or cycle, we will be healthy.
If we use the car all the time, we will make the air dirty.
If you reuse paper, you will save trees.
If you make noise, your sister will not / won’t sleep. 
If I see a used bottle on the road, I will put it in the bin.
Vocabulary
Grammar
Vocabulary about environment
Articles: a, an, the
First conditional.
OUR GREENER WORLD
+
HOMEWORK
- Review all the vocabulary.
- Review all the grammar structures.
- Do the project.
- Prepare for Unit 12:
GETTING STARTED,
Goodbye!
See you again!
THANKS FOR YOUR ATTENTION!
THANK YOU FOR ATTENTION!
the end
GOOD BYE!