Переведите на английский…

1. He wrote his book in 1989/2. After he had writen his book about England, he left the country.3.He wrote his book about England after he had left the country.4. He had writen his book about England before he left the country.5.He has been writing his book for 9 years already.6.He had been writing his book about England since 1980,7. He had writen his book about England by 1989