I/You/ We/They---- have
------------------------------------Been Ving
He/she/it-------------- has

Я работаю здесь с прошлого года. – I have been working here since last year.
Она занимаюсь теннисом с 8 лет. – She has been playing tennis since she was 8.
Я занимаюсь спортом с детства. – I’ve been doing sport since my childhood.
Я работаю над этим проектом с прошлого года. - I’ve been working on this project since last year.
I’ve been waiting for you.
I’ve been waiting for you.
I’ve been waiting for three hours.
I’ve been waiting for you.