You had better to / should / ought to eat meat and fish every day.
You had better to / should / ought to run in the park every morning.
You had better to / should / ought to exercise with your coach.
You had better not to / shouldn't / oughtn't to eat biscuits and cakes.
You had better not to / shouldn't / oughtn't to drink soda.
You had better not to / shouldn't / oughtn't to watch TV all day.
Bien sur tu ne mets qu'une seule des trois manières proposes!