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Clauses of purposes
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38 Read the following sentences. How are the clauses of purpose introduced?
• We should stop using cars toreduce air pollution.
• We should stop using cars so thatwe can reduce air pollution.
• We should stop using cars so thatwe won't have polluted cities.
39 Now join the sentences using to or so that.
1 We should stop cutting down trees. Animals won't lose their natural habitats.
2 We should build wildlife parks. We can protect animals from extinction.
3 We should plant more trees. We will have more oxygen,
4 We should clean up the litter in cities. We won't catch diseases from it.
5 We should find clean forms of energy. We can save the planet.
Look at the lists 1-2 and match the suggestions to the results. Then link the sentences with so that or to and talk about how we can improve the living conditions in our cities.
1 SUGGESTIONS
Governments should improve public transport. 2 People should get involved in recycling schemes. 3 We should ban cars from city centers. 4 Governments should force factories to put filters on chimneys. 5 We should stop using the products of companies whose factories cause pollution.
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