1)Jim has just written a book. - d)He finished a few days ago.
2)Has Jim written a book yet? - f)Has he finished a book?
3)Jim has already written a book. - a)This is not his first book.
4)Jim wrote a book a year ago. - c)He finished his book last year.
5)Jim has never written a book. - e)Jim doesn't write books.
6)Has Jim ever written a book? - b)Does Jim write books?