Make the first conditional sentences, using the words and phrases given

VIII.    Make the first conditional sentences, using the words and phrases given. 
1.     If/ we/ plant/ more trees/ neighbourhood/ greener. 
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2.    If/ we/ cycle/ school/ every day/ we/ keep/ air/ clean and fresh.
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3.     If/ we/ keep/ hunt/ animals/ they/ disappear/ soon. 
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4.     If/ we/ cut down/ all/ trees/ there/ floods.
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5.     If/ we/ use/ buses /we/ reduce/ pollution. 
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