Formula + Verb Form
I don't think you should work so hard.
** Use 'I don't think you should' + the base form of the verb in a statement.
You ought to work less.
** Use 'You ought to' + the base form of the verb in a statement.
You ought not to work so hard.
** Use 'You ought not to' + the base form of the verb in a statement.
If I were you,
If I were in your position,
If I were in your shoes, I wouldn't work so hard.
** Use 'If I were' + 'you' OR 'in your position' OR 'your shoes' + 'I wouldn't' OR 'I would' + base form of the verb in a statement (A form of the conditional 2).
You had better work less.
** Use 'You had better' (you'd better) + the base form of the verb in a statement.
You shouldn't OR You should work less.
** Use 'You should' OR 'You shouldn't' + the base form of the verb in a statement.
Whatever you do, don't work so hard.
** Use 'Whatever you do' + the imperative.