B2
Future in the past (будущее из прошлого)
То, что планировали или ожидали с позиции «тогда».
was / were going to
I was going to call you, but I forgot. They were going to move, then changed their minds.
would
О плане из прошлого (часто в рассказе): He left at 6 — he said he would be home by 8. would для привычки в прошлом — в уроке Used to / would.
thought / expected + would
I thought the train would still be there. Little did I know... — контраст ожидания и реальности.