Answer:
Yes it is figurative language.
Explanation:
"Will you make me the happiest man on earth and marry me" is a form of hyperbole, as he could hardly prove that he is truly the happiest man on earth.
vernacular (by Native American tribes)
romantic (Othello, Hamlet etc)
Answer:
Only two are incorrect.
Explanation:
You have done well. The first one would be "yours" instead of "your."
Third one, "so has his wife" instead of "so have his."