II. Раскройте скобки. Поставьте глагол в нужное время или форму (герундий). A) Обратите внимание на времена сказуемых

1. If he buy a car, we’ll go to the sea. 2. If he bought a car, we would go to the sea. 3. If he had bought a car, we would have gone to the see. 4. My father has worked here for three years. 5. My father has been repairing this car since morning. 6. If I had learnt the grammar rules, I wouldn\'t have got a bad mark. 7. If I learnt the grammar rules, I wouldn\'t get a bad mark. 8. If I learn the grammar rules, I will not get a bad mark.