Identify the mistake in each sentence and correct it:
1. We cannot come on Saturday. It's ours father's birthday.
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2. Tom and Robert like fish and chips. Its their favourite food.
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3. My brother has got his ticket, but I can't find my’s.
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4. This isn't our son's bike. He’s is in the garage.
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5. I can't find my eraser. Can I borrow your?
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6. My colleague forgot to leave the documents for mine.
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7. Annie and Alex were watching they’re favourite programme.
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8. Here’s the dog water and here’s its food.
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