Grammar Challenge: Find and correct the mistakes

We only just missed the train. If we had walked more quickly, we would have caught it.

Sam’s face was red because he had been running for an hour.

If I hadn’t lost my umbrella, I wouldn't be so wet now!

I’d let you use my mobile if I had brought it with me.

If you don't water plants, they die.

Dominic admitted taking the money, but he denied stealing the watch.

Mike isn’t here. I think he might have gone to the park to try out his new bike.

We won’t be able to get home unless there is a train after 10 pm.

If I could travel anywhere in the world, I would go to Cambodia

Sara persuaded us to try that new restaurant and we were glad we went.