1. If I were rich, I could buy that house.
2. Despite dark sky, he took a lot of photo.
3. If he was rich, he could buy that house.
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1. If I do not have enough money, I can not go on a long holiday this year.
2. If I do not have a typewriter, I can not type in myself.
3. If I do not live in a big city, I can not go to the cinema very often.
4. If Lan does not have a bike, she will walk to school.