Question

i would better go or i had better go?
detail plz

Answer 1

Answer:

I had better gone.

I would better go.

Explanation:

Answer 2

Answer:

I'll better go.

you can also write : It'll be better if i go

Explanation:

Grammatically both the sentences that you used were slightly incorrect. It is alright in spoken english but on a formal note, the above 2 sentences are best suited.