階段 かいだん教室 きょうしつ

kaidankyōshitsu

1. Not the tiered classroom.; It's not the tiered classroom.

1. Was a tiered classroom.

1. In the tiered classroom.

1. Classroom for stairs; Staircase classroom

1. It is not a staircase classroom.; It is not a classroom on the stairs.

1. It's not the staircase classroom.; It isn't the staircase classroom.

1. Was in the tiered classroom.

1. Lecture hall.

1. It is not the staircase classroom.; It is not a staircase classroom.

1. Was not the tiered classroom.; Wasn't the tiered classroom.

1. Probably a tiered classroom.

1. It was not the staircase classroom.; It wasn't the staircase classroom.

1. It wasn't the staircase classroom.; It wasn't a staircase classroom.

1. Probably the tiered classroom.

1. Was not the staircase classroom.; Was not a staircase classroom.

1. If/when the tiered classroom…; If the tiered classroom were…

1. If/when the tiered classroom…; If there were a tiered classroom…

1. If/when in the auditorium