Translation:What kind of trains are you waiting for, red ones or black ones?
Why is "What kind of trains do you wait for, red ones or black ones" not correct?
Yes it is. One is either in a state of repose with no particular end or reason. Or one is waiting for something (or someone). In this case there is a something.
2x ones? that is só not English! Please make the course more accurate....
Same as that the person words like én, te, ö ök, önök mi and ti also not frequently used in Hungarian