I ___________ (sing) loudly when my friend ___________ (take) the photo.
I was singing loudly when my friend took the photo.
He __________ (wake) up and __________ (look) at his alarm clock.
He woke up and looked at his alarm clock.
I _________ (write) my English essay last night when my laptop _________ (crash)!
I was writing my English essay last night when my laptop crashed!
While Tom __________ (read) , Amely __________ (watch) a documentary on TV.
While Tom was reading, Amely was watching a documentary on TV.
We __________ (wait) for Jane, when suddenly Louis __________ (come) around the corner.
We were waiting for Jane, when suddenly Louis came around the corner.
Marvin __________ (come) home, __________ (switch) on the computer and __________ (check) his emails.
Marvin came home, switched on the computer and checked his emails.
While we __________ (do) a sight-seeing tour, our friends __________ (lie) on the beach.
While we were doing a sight-seeing tour, our friends were lying on the beach.
I __________ (cycle) through the park, when I __________ (hear) a strange noise.
I was cycling through the park, when I heard a strange noise.
When I __________ (get) up yesterday, the sun __________ (shine) .
When I got up yesterday, the sun was shining.
The phone __________ (ring) while I __________ (sit) on the toilet.
The phone rang while I was sitting on the toilet.
Nobody __________ (listen) while the teacher __________ (explain) the rules.
Nobody was listening while the teacher was explaining the rules.
Tom __________ (break) his leg while he __________ (play) frisbee.
Tom broke his leg while he was playing frisbee.