There is no story for this, please add one and I will give you an answer int he comments.
1. I would go out more often if I had more free time.
2. What would you do if you won a lot of money on the lottery?
3. She would not feel so stressed if she did not work so hard.
4. Would you agree to go out with Tom if he asked you out?
5. He would not feel so unfit if he would do some regular exercise.
6. Would you lend some money to your friend if he/she would need it?
7. If she would change her hairstyle, she would look much better.
8. What hobby would you take up if you would have more free time?
Everyone (has) done his or her homework because 'everyone' means plural so there is plural already so don't need to put 'have'.
Rhetoric: The art of persuasive speaking or writing, especially the use of figure of speech and other compositional techniques.
Hope this helps, the question didn't make much sense.