ببین چون همه فعل هستن فقط باید از What و doing استفاده کنی.
1.What are you doing?
I'm buying a ticket.
2.What is he doing now?
He is checking the passport.
3.What is she doing?
She is checking the forms.
4.What are they doing?
they are checking the timetable
به همین ترتیب تا آخر.
