Yes,
The story of Beowulf is the eternal story of good versus evil, a theme that is still relevant to modern life. Grendel is the descendant of Cain, the evil son of Adam and Eve who slew his brother, Abel.
No this is not a possibility
A gerund is a verbal used as a noun. It ends in -ing.
ur gerund phrase in this sentence is " by preparing "....and it is functioning as the object of the preposition.
