past simple...

[Anonymous]

did they come to school on time?? past simple
they have been telling a story??past simple
she was taking the book from the shelf??past simple
change into pp we will be at home past perfect

[Rusty]

did they come to school on time?? past simple (OK).
they have been telling a story?? (present perfect continuous)
she was taking the book from the shelf?? (Past progressive/continuous)
change into pp we will be at home past perfect
we had been at home. (Past perfect).
we will be at home. (Simple future).