Definitions of "Mi did ah"

I was

Past tense: Something that has happened.

The "I" can be replaced with other singular pronouns to be expressed as was.

Patois: "Wah yuh deh pon?" "Mi did ah watch tv"
English: "What are you up to" I was watching tv

Patois: Di laas time mi si har, shi did ah watch tv.
English: The last time I saw her, she was watching tv.