Recurrent action in the present
Permanent action, uninterrupted process which narurally include the present moment
Succession of actions taking place at the time of speaking
In literary style, to describe the successtion of actions in the past.
She arrives full of life and spirit. And about a quarter of an hour later she sits down in a chair, says she doesn't feel well, gasps a bit and dies.
He wakes up around six o'clock and has a cup of coffee.
I teach English and History at a college, and I live with my parents.
Now I peel the actions, slice them and put them into the dish. Then I whip the cream and until thick and pour it over the apples.