I: Put the words or phrases in the right order to make sentences.
1. If/ is polluted/ fish/ the river/ will die.
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2. We/ recycle/ rubbish/ should/ try to.
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3. Don't throw/ plastic bags/ the/ because/ can reuse them/ you.
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4. You/ should/ when/ use reusable bags/ you go shopping
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5. If/ there/ people recycle more/ pollution/ will be less.
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II. Write conditional sentences from these statements.
1. We will plant more trees. The air will be fresher.
If......................................................................................................................
2. We will use fewer cars. We will reduce pollution.
If..........................................................................................................................................................
3. We will cycle to school every day. We will keep fitter.
If..............................................................................................................................................................
4. We will use recycled products. We will save money.
If..........................................................................................................................................................
5. The boy eats so many green apples. He will be ill.
If..........................................................................................................................................................
6. We will use reusable bags for shopping. We will reduce waste.
If..........................................................................................................................................................
7. She doesn't hurry. She is late for school.
If............................................................................................................................................................
8. You don't water the plants. The die.
If.............................................................................................................................................................
. If we plant more tree, the air will be fresher. 2. If we use fewer cars, we will reduce pollution. 3. If we cycle to school every day, we will keep fitter. 4. If we use recycled products, we will save money. 5. If people throw rubbish into the right bin, they will keep the environment clean. 6. If we turn off the tap when brushing the teeth, we will save a lot of water. 7. If people travel more by public transport, the harmful gases in big cities will be reduced. 8. If we start at six, we will arrive there before noon. 9. If the boy eats so many green apples, he will be ill. 10. If we use reusable bags for shopping, we will reduce waste.
c. Write the conditional sentences from the following statements.
1. We plant more trees. The air will be fresher.
If we plant more trees, the air will be fresher.
2. We use fewer cars. We reduce pollution.
If we use fewer cars, we will reduce pollution.
3. We cycle to school every day. We keep fitter.
If we cycle to school every day, we will keep fitter.
4. We use recycled products. We save money.
If we use recycled products, we will save money.
5. People throw rubbish into the right bin. They keep the environment clean.
If people throw rubbish into the right bin, they will keep the environment.
6. We turn off the tap when brushing the teeth. We save a lot of water.
If we turn off the tap when brushing the teeth, we will save a lot of water.
7. People travel more by public transport. The harmful gases in big cities will be reduced.
If people travel more by public transport, the hamrful gases in big cities will be reduced.
8. We start at six. We arrive there before noon.
If we didn't start at six, we wouldn't arrive there before noon.
9. The boy eats so may green apples. He will be ill.
If the boy eats so may green apples, he will be ill.
10.We use reusable bags for shopping. We reduce waste.
If we use reusable bags for shopping, we will reduce waste.