1.were/doing/happened
2.was playing
3.got/was talking/was discussing/was chasing
4.were you doing/dropped
5.was drawing/broke/ruined
6.entered/was selling/was trying/were arguing/was buying
7.was walking/swept/was lighting
8.was taking/stumbled/fell
While Helen was reading her brother was watching a horror film.
Did you listen while the teacher was speaking?
Mary didn't pay attention while was writing e-mail so she made mistakes.
What was doing Stephanie while you did dishes?
They were having supper when fire alarm started.
As we were playing football it started to rain.
Sammy was sleeping when someone stole his bike.
She was waiting for us when the train arrived.
