When you are arriving at the station, give me a ring and then I'll come and fetch you in my car. (*) you are arriving (*) give me a ring (*) I'll come
This is a companion discussion topic for the original entry at https://english.best/questions/24341,when-uyou-are-arrivingu-at-the-station-ugive-me-a-ringu-and-then-uill-comeu-and-fetch-you-in-my-car/