’ve is the usual spoken form of ‘have’, especially when ‘have’ is an auxiliary verb. It is added to the end of the pronoun which is the subject of the verb. For example, ‘you have’ can be shortened to ‘you’ve’.
-’VE
Meaning of -’VE in English
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012