Исправить ошибку в предложении

Correct the mistake and write the sentence correctly. Underline corrected word.

1.If a player was injured during a match, he goes off the pitch.

2.If you run fast, you win the race.

3. He wouldn’t have accidents so often if he drives more carefully.

4.Unless you brought the right equipment, you can’t go rock climbing.

5. Could you buy me a magazine if you go to the newsagent’s?