Изучаю сейчас , и тут правило(first and second conditional) .. ни как не надо из 3 условного переделать предложение 2 1) if the teenager colled his thoughts, he would have won the competition. 2)if you had learnt german? you would have stayed out of trouble. 3) if they had taken care of their pets? the poor puppy and kitten would not have got into trouble. 4) if had not relied on him, we woild not have been late. 5) if the girl had laid the table, her aunt would not have been angry with her.