No. the word they've is a contraction of the personal pronoun 'they' and the verb 'have'. The contraction they've functions as the subject and the verb (or auxiliary verb) in a sentence or clause.
Examples:
They have gone on vacation.
Or,
They've gone on vacation.
An adjective is a word used to describe a noun.
Example:
They had a nice vacation. (the adjective 'nice' describes the noun 'vacation')
yes theyve kissed
yes theyve both confirmed it
Nah theyve just got bare attitude!
They had festivals to celebrate their work theyve dieb
They go home.
He is scared about where theyve been
Noo theyve always had Jacoby Shaddix
get seeds plant them in a warm place. when theyve grown, eat them
its becasue he doesnt know where theyve been
yes theyve always been in colour
Of course you can but it's not going to grow back!
because theyve just hunt them down