The word they've is a contraction, a shortened form for the pronoun 'they' and the verb 'have' (they have).
The contraction is used as the subject and verb or auxiliary verb in a sentence.
Example: They have moved to Miami. or They'vemoved to Miami.
The previous boyfriend/girlfriend that they had before, that theyve broken up with
yes theyve kissed
maybe someday i mean it has not happened in the 90s theyve met some people in common so maybe
They go home.
He is scared about where theyve been
yes theyve both confirmed it
Nah theyve just got bare attitude!
They had festivals to celebrate their work theyve dieb
its becasue he doesnt know where theyve been
Noo theyve always had Jacoby Shaddix
get seeds plant them in a warm place. when theyve grown, eat them
Of course you can but it's not going to grow back!