Помогите пожалуйста с английским

If I visit London, I will visit the British Museum.
If it stopped raining, I will go outside.
If I hadn't eaten so much, I would've felt much better.
If I find his phone number, I will call him.
If I leave on time, I will be there in time.
If I found a wallet in the street, I will give it back to the owner.
If I had more free time, I would start drawing.
If I had seen you, I would wave to you.