1. I would be delighted if I had such a beautiful fur-coat. 2. If it rains, we will have to stay at home. 3. If he had worked hard, he would have achieved great progress. 4. If it is not too cold, I will not put on my coat. 5. I would have written the composition long ago if you had not disturbed me. 6. If he did not read so much, he would not be so clever. 7. If my friend is at home, he will tell us what to do. 8. If he was such an outstanding actor, he would have so many admirers. 9. If you give me your address, I will write you a letter. 10. If she were so absent-minded, she would have been a much better student. 11. If my sister goes to the south, we will spend the summer in St Petersburg together. 12. If they did not go to Moscow last year, they would not have heard that famous musician.