How to ask for and give advice in English. A high-frequency exam function.
Should = mild · ought to = stronger · had better = strong (almost a warning).
If I were you, I would… — note the "were" for all persons, and "would" for the advice.
Give a reason: "You should rest because you look exhausted."
The exam often presents a problem ("My son refuses to eat vegetables.") and asks for advice. Use 2-3 different patterns to show variety: You should… + Why don't you…? + If I were you, I would….