What is the past tense of noise?

The word "noise" is a noun, not a verb, so it doesn't have a past tense.

If you want to talk about a noise that happened in the past, you would use a past tense verb with the noun "noise," like:

* I heard a noise. (Present tense)

* I heard a noise yesterday. (Past tense)

* There was a loud noise. (Past tense)