Создатель рассказа не совершенно уверен, какое причастие употребить: Participle I

Автор рассказа не совершенно уверен, какое причастие употребить: Participle I или Participle II. Помогите ему.

The man ... at the window is my uncle John (standing, stood). He's rather unusual person. He's got five pets... in his house (living, lived). One of these pets ... Greeny is a young crocodile (calling, called). It lives in the bathroom and ... anybody but his master to come in (allowing, allowed). The other pet is a parrot ... to speak (teaching, taught). He says rather strange things sometimes. The other two pets are bulldogs ... at everybody... to the door of the flat (barking, barked) (coming, come). It's not surprising that uncle John lives alone... by his wife two years ago when his fifth pet a large snake ... to him by a famous travellor appeared in his flat (leaving, left) (presenting, presented).