"If you would have a car I would go with full speed" think Mark, sketching with hand the rotation of steering wheel. "And if Alice would stay with me I wuold fly" continues his thought, forgetting the documents file who was waiting for some time good on the office.
"If I would have had a brother, think Mary mom would have left me outside late.", if I would have been out with my brother, mom it would not have been so worried and it would not call on mobil in half an hour.
