Question

Forgot is the past tense of forget.
The past participle tense of forget is forgotten.
Do you use 'forgot' as the past participle tense of forget?

Answer 1

No

Answer 2

I have forgotten all this grammar. Had you not forgotten, you would not be asking.

Answer 3

"forgot" is the past tense,"forgotten" is the past participle....the answer is pretty clear,i advice the tenses should be used accordingly.