英文文法問題，求解答！?

(1)Inversion as figures of speech can be rewritten as:-
Had I believed love,.(I should do it), and was all I did.
It is the omission of" it" in conditional clauses.
It is about "to believe love.";"I believed love" as subject.
Or better:-I had believed love; I would have been all the more for it.
(2)Inversion and Exaggeration can be rewritten as:-
That Miss Bennet ran after the officers---main cl.
should never be said--------adv cl of purpose; manner
Miss Bennet has never heard of the officers, not to mention ran after them.;
Not completely sure about the statement.she believed..
(3)Inversion can be rewritten as:-
Elizabeth was in vain (adj).
If you describe Elizabeth as vain, you are critical of her pride and predjudice in her own beauty, intelligence, and other good qualities.She wants the world to know her friend did not run after her in vain.