Скажите что это не так употребите сокращенную форму глагола they will be happy to get the book. ..........................................

1. They will be happy to get the book. They won\'t be happy to get the book. 2) There is a new word in the song. There isn\'t a new word in the song. 3) It is a new word. It isn\'t a new word. 4) They are baskets. They aren\'t baskets. 5) There are some darts on the floor. There aren\'t darts on the floor.