On the thing
The word pon di ting means on the thing,like some something on top of something.
Patois: Mi need yuh fi guh pon di thing
English: I need you to go on it
In my life
The word inna my life means in my life in english,its simple to say and use.
Patois: Mi waah dis gyal inna mi life
English: I want this girl in my life