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.