Student or Learner
"I was having a ride on a train for half an hour when it started to slow down."
Is it grammatically correct?
"I was having a ride on a train for half an hour when it stopped." I would say there is something wrong with this one. What do you think?
I had been riding on the train for half an hour...
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.