1) If we pollute the air , we will have breathing problems.

2) If people polluted the water , a lot of fish will die.

3) If we cut down tree in the forest , there will be more floods

1.  We pollute the air. We have breathing problems.

---> If we pollute the air, we will have breathing problems.

2. People pollute the water. A lot of fish die.

---> If people pollute the water, a lot of fish will die.

3. We cut down trees in the forest. There are more floods.

---> If we cut down trees in the forest, there will be more floods.

1.If we pollute the air, we will have breathing problems.

2. If people pollute the water, a lot of fish will die

3. If we cut down trees in the forest, there will be more floods.

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 sleep

If i see a used bottle on the road, i will put it in the bin

1. If we walk or cycle, we will be healthy.

(Nếu chúng ta đi bộ hoặc đạp xe, chúng ta sẽ khỏe mạnh.)

2. If we use the car all the time, we will make the air dirty.

(Nếu chúng ta sử dụng xe mọi lúc, chúng ta sẽ làm cho không khí bị bẩn.)

3. If you reuse paper, you will save trees.

(Nếu bạn tái sử dụng giấy, bạn sẽ cứu được được cây cối.)

4. If you make noise, your sister won't sleep.

(Nếu bạn làm ồn, em gái của bạn sẽ không ngủ.)

5. If I see a used bottle on the road, I will put it in the bin.

(Nếu tôi nhìn thấy một cái chai đã qua sử dụng trên đường, tôi sẽ bỏ nó vào thùng.)

If there weren't too much light pollution, we could see the stars at night. 

If the water weren't polluted, the fish would not be dead. 

If light pollution did not happen, animals would not change their behavior patterns. 

If we don't waste paper, we can save thousands of trees.

Combine each pair of sentences below to make a conditional sentence-type 1:

1. People use recycled materials. They save energy

If people use recycled materials, they will save energy

2. You save electricity. You turn off computer before leaving the house.

If you turn off computer before leaving the house, you will save electricity.

3. People want to protect the environment. They stop cut down trees.

If people want to protect the environment, they will stop cut down trees.

4. You see a used can in the road. What will you do?

If you see a used can in the road, what will you do?

Give the correct form of the words given to complete the sentences.
1.The _______contaminaion_______ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_______attractive______ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the_____residents_____ complained to REDIDE
its owner.
4. Are all types of pollution_____harmful_____ to the health of humans and animals? HARM
5. The______environmentalists_______ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ______industrial_____waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink ____untreated_____water. TREAT
8.Examples of primary________pollutants________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water______carefully______ , more people will have fresh water. CARE
10. The polluted water results in the ____death_____of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
-> Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
2. The environment is polluted. Birds leave their habitats and plants die. (make)
-> The pollution of the environment makes birds leave their habitats and plants die.
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
-> Plastic bags are a major source of waste so we should not throw plastic bags everywhere.
4. The food is contaminated. People’s health is poor. (results in)
-> The contamination of the food results in people's poor health.
5. Factories release fumes. The air breathe gets polluted. (due to)
-> The air breathe gets polluted due to the release of fumes from factories.
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
-> If the factory weren't located near our village, there wouldn't be air pollution and noise pollution.
2. The local people have to use water from the polluted river. They don’t have fresh water.
-> If the local people had fresh water, they wouldn't have to use water from the polluted river.
3. Trees and grasses cannot grow here. The soil is badly polluted.
-> If the soil weren't badly polluted, trees and grass could grow here.
4. Mr Quang works in a noisy environment. His hearing becomes worse.
-> If Mr Quang didn't work in a noisy environment, his hearing wouldn't become worse.

Give the correct form of the words given to complete the sentences.
1.The _______contaminaion_______ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_______attractive______ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the_____residents_____ complained to REDIDE
its owner.
4. Are all types of pollution_____harmful_____ to the health of humans and animals? HARM
5. The______environmentalists_______ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ______industrial_____waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink ____untreated_____water. TREAT
8.Examples of primary________pollutants________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water______carefully______ , more people will have fresh water. CARE
10. The polluted water results in the ____death_____of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
-> Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
2. The environment is polluted. Birds leave their habitats and plants die. (make)
-> The pollution of the environment makes birds leave their habitats and plants die.
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
-> Plastic bags are a major source of waste so we should not throw plastic bags everywhere.
4. The food is contaminated. People’s health is poor. (results in)
-> The contamination of the food results in people's poor health.
5. Factories release fumes. The air breathe gets polluted. (due to)
-> The air breathe gets polluted due to the release of fumes from factories.
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
-> If the factory weren't located near our village, there wouldn't be air pollution and noise pollution.
2. The local people have to use water from the polluted river. They don’t have fresh water.
-> If the local people had fresh water, they wouldn't have to use water from the polluted river.
3. Trees and grasses cannot grow here. The soil is badly polluted.
-> If the soil weren't badly polluted, trees and grass could grow here.
4. Mr Quang works in a noisy environment. His hearing becomes worse.
-> If Mr Quang didn't work in a noisy environment, his hearing wouldn't become worse.

1.contamination

2.attractive

3.residential

4.harming

5. mình ko rõ

6.industrial

7.adj của nó mình tìm ko ra

8pollution

9carefully

10death

Give the correct form of the words given to complete the sentences.
1.The _______contaminaion_______ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_______attractive______ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the_____residents_____ complained to REDIDE
its owner.
4. Are all types of pollution_____harmful_____ to the health of humans and animals? HARM
5. The______environmentalists_______ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ______industrial_____waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink ____untreated_____water. TREAT
8.Examples of primary________pollutants________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water______carefully______ , more people will have fresh water. CARE
10. The polluted water results in the ____death_____of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
-> Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
2. The environment is polluted. Birds leave their habitats and plants die. (make)
-> The pollution of the environment makes birds leave their habitats and plants die.
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
-> Plastic bags are a major source of waste so we should not throw plastic bags everywhere.
4. The food is contaminated. People’s health is poor. (results in)
-> The contamination of the food results in people's poor health.
5. Factories release fumes. The air breathe gets polluted. (due to)
-> The air breathe gets polluted due to the release of fumes from factories.
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
-> If the factory weren't located near our village, there wouldn't be air pollution and noise pollution.
2. The local people have to use water from the polluted river. They don’t have fresh water.
-> If the local people had fresh water, they wouldn't have to use water from the polluted river.
3. Trees and grasses cannot grow here. The soil is badly polluted.
-> If the soil weren't badly polluted, trees and grass could grow here.
4. Mr Quang works in a noisy environment. His hearing becomes worse.
-> If Mr Quang didn't work in a noisy environment, his hearing wouldn't become worse.

Give the correct form of the words given to complete the sentences.
1.The _______contaminaion_______ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_______attractive______ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the_____residents_____ complained to REDIDE
its owner.
4. Are all types of pollution_____harmful_____ to the health of humans and animals? HARM
5. The______environmentalists_______ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ______industrial_____waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink ____untreated_____water. TREAT
8.Examples of primary________pollutants________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water______carefully______ , more people will have fresh water. CARE
10. The polluted water results in the ____death_____of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
-> Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
2. The environment is polluted. Birds leave their habitats and plants die. (make)
-> The pollution of the environment makes birds leave their habitats and plants die.
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
-> Plastic bags are a major source of waste so we should not throw plastic bags everywhere.
4. The food is contaminated. People’s health is poor. (results in)
-> The contamination of the food results in people's poor health.
5. Factories release fumes. The air breathe gets polluted. (due to)
-> The air breathe gets polluted due to the release of fumes from factories.
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
-> If the factory weren't located near our village, there wouldn't be air pollution and noise pollution.
2. The local people have to use water from the polluted river. They don’t have fresh water.
-> If the local people had fresh water, they wouldn't have to use water from the polluted river.
3. Trees and grasses cannot grow here. The soil is badly polluted.
-> If the soil weren't badly polluted, trees and grass could grow here.
4. Mr Quang works in a noisy environment. His hearing becomes worse.
-> If Mr Quang didn't work in a noisy environment, his hearing wouldn't become worse.

Give the correct form of the words given to complete the sentences.
1.The _______contaminaion_______ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_______attractive______ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the_____residents_____ complained to REDIDE
its owner.
4. Are all types of pollution_____harmful_____ to the health of humans and animals? HARM
5. The______environmentalists_______ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ______industrial_____waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink ____untreated_____water. TREAT
8.Examples of primary________pollutants________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water______carefully______ , more people will have fresh water. CARE
10. The polluted water results in the ____death_____of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
-> Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
2. The environment is polluted. Birds leave their habitats and plants die. (make)
-> The pollution of the environment makes birds leave their habitats and plants die.
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
-> Plastic bags are a major source of waste so we should not throw plastic bags everywhere.
4. The food is contaminated. People’s health is poor. (results in)
-> The contamination of the food results in people's poor health.
5. Factories release fumes. The air breathe gets polluted. (due to)
-> The air breathe gets polluted due to the release of fumes from factories.
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
-> If the factory weren't located near our village, there wouldn't be air pollution and noise pollution.
2. The local people have to use water from the polluted river. They don’t have fresh water.
-> If the local people had fresh water, they wouldn't have to use water from the polluted river.
3. Trees and grasses cannot grow here. The soil is badly polluted.
-> If the soil weren't badly polluted, trees and grass could grow here.
4. Mr Quang works in a noisy environment. His hearing becomes worse.
-> If Mr Quang didn't work in a noisy environment, his hearing wouldn't become worse.

by us

If we plant more trees, the air will be cleaner

Sử dụng conditional sentences type 1 vì nó có thể là hiện thực

I) Combine each pair of sentences below to make a conditional sentence:

1. People use recycled materials. They save energy.

--> ........................If people use recycled materials, they will save energy...................................................................

2. You save electricity. You turn off computer before leaving the house .

--> ....................If you turn off the computer before leaving the house, you will save electricity.....................................................................

II) Do as directed:

1. My future house/might / hi-tech robot / automatic washing / modern fridge. ( Viết thành câu hoàn chỉnh )

--> .....................My future house might have a hi-tech robot and an automatic washing machine and a modern fridge....................................................................

2. ocen / My / the / will / future / located / house / be / the /on. ( Sắp xếp thành câu hoàn chỉnh ) (thừa 1 chữ the)

--> ...........................My future house will be located on the ocean.................................................................

3. If we ( recycle ) ...................recycle...................... more . We (help) ............will help................. our the Earth. ( Chia động từ trong ngoặc )

1. people use recycled materials. they save energy

If people use recycled materials, they will save energy.

2. you save electricity. you turn off computer before leaving the house.

If you save electricity, you will turn off computer before leaving the house

combine each pair of sentences below to make a conditional sentence-type 1

1. people use recycled materials. they save energy

.=>..IF PEOPLE USE RECYCLED MATERIALS,THEY WILL SAVE ENERGY.............................................................................

2. you save electricity. you turn off computer before leaving the house.

.=>IF YOU TURN OFF COMPUTER BEFORE LEAVING THE HOUSE,YOU WILL SAVE ELECTRICITY....................................................................................

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