Английский язык, 10 класс

По правилам сайта в одном вопросе может быть выполнено одно задание. Выполняю 5, остальное задайте отдельными вопросами. 1. If only you were very good at singing. 2. I wish you hadn't argued with your parents last night. 3. If only you had any friends abroad. 4. I wish you ears were smaller. 5. If only I had paid attention in the maths lesson. 6. I wish I understood my maths homework