Tick V in correct sentences, tick X in incorrect sentences and correct it

Ex1: Tick V in correct sentences , Tick X in incorrect sentences and correct it

__1. Pollution can be reduced if we joined hands to prevent it.

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__2. If farmers would make use of pesticide more wisely, the soil would not be poisoned.

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__3. I won’t believe it unless you showed me the evidence.

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__ 4. Unless you don’t tell me the truth, I won’t help you.

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__ 5. If James is more outgoing, he would have more friends.

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__ 6. I think the show would be successful if he were one of the organizers.

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__7. If you paid more attention to what I said, you didn’t make so many mistakes.

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__8. If children are taught about environmental issues, they might change their attitudes towards pollution.

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__9. You would be punished if you park your car here.

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__10. If you could win the competition, we will have a celebration.

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