Wrong position of adverbs . 'Not' misplaced with a compound | Grammarfy 🌍

Wrong position of adverbs

. "Not" misplaced with a compound verb.

Don't say: I should have not gone ... .

Say: I should not have gone ... .

Position "not" in a compound verb after the first auxiliary.

Note: With the present or perfect participle, place "not" at the beginning: Not having set the alarm, he was late for work.
Not being rich, he couldn't afford it.

@Grammarian