2. 2) Если об он был здесь, он бы помог тебе. 3) Если бы он знал всю историю, он бы не был так зол.
3. waited, would meet. learnt, would have. knew, would visit. lived, would go. worked, would get.
visited, would know. went, would see. didn't get wet, would take. didn't open, wouldn't be. won't be, would go to bed