Пример ситуации
Sarah is in her car. She is on her way to work. Она едет на работу: She’s driving to work.
Фраза She is driving означает, что действие происходит сейчас, в момент речи, и ещё не закончено.
Present continuous строится так: am / is / are + -ing.
working
doing
working
doing
working
doing