Go by - Judge from
You can’t always go by appearances.
Go into - Investigate
He promised to go into the matter.
Go down - Believe
The story won’t go down.
Go through - Suffer, Examine
The old lady has gone through a lot.
I must go through the accounts.
Go up - Rise in price
Prices are going up day by day.
Go off - Explode
The gun went off all of a sudden.
Go about - move from place to place
He went about in search of job.