Răspuns:
who is leaving the railway station?
who is playing football?
who is reading the text?
who is going by bus this month?
who is helping his friend this week?
who is learning English this year?
Explicație:
se pune in fata ,,who is'' dupa aceea elimini subiectul insotit de auxiliar [adica elimini ,,the train'' din propozitia ,,The train is leaving the railway station.''] DOAR LA PREZENTUL CONTINU.