warming up (past simple and past continuous)

when we ​ ​ (a)   , Dad​ (b)   home.

• were watching TV
• watched
• arrived
• was arriving

Everyone ................... outside when the car arrived.

• was waiting

• waited

• were waiting

• was waited

1. I found my toy when I ................. my room.

• 1. have tidied

• 1. was tidying

• 1. tidied 

• were tidying

subject + was/were + verb + ing

• present simple

• past simple

• past continuous

• past perfect

1. The phone ................. when I was doing my homework.

• 1. did ring

• 1. rung

• 1. rang

• was ranging

I was listening to the radio when I (a)   someone I knew. (hear)