Bevestigend (+): have/has + reg. ww + ED / onr. ww 3e rijtje
She has lived here all her life.
They have written three letters already.
Ontkennend (-): haven't/hasn't + reg. ww + ED / onr. ww 3e rijtje
She hasn't lived here all her life.
They haven't written three letters already.
Vragend (?): have/has (vooraan zin) + reg. ww + ED / onr. ww 3e rijtje
Has she lived here all her life?
Have they written three letters already?