Learn English – Is “bettern’t” an OK word to use

formalityword-usage

In the spirit of:

You can swim, can't you?
You should tell the truth, shouldn't you?
You'd be crazy to miss out, wouldn't you?

Can I say:

You better study, bettern't you?

It's listed at wiktionary as 'non-standard'.

  • When would or wouldn't you use this word?
  • What can I use instead if I'm trying to be a bit more formal?

Best Answer

How about, to sound more formal as you said, you say, 'You had better study, hadn't you?'