He was watch TV when his friend called.
He was watching TV when his friend called.
Past Simple: She visited her grandma yesterday.
→ Make a question.
Did she visit her grandma yesterday?
I was walking home when…
…it started to rain heavily.
I was watching / watched TV when my mom came home.
was watching
When I arrived, they played football.
When I arrived, they were playing football.
Past Continuous: He was reading at 10 p.m.
→ Make a question.
Was he reading at 10 p.m.?
He was making breakfast when…
…he realized he had no eggs.
They were swimming / swam when it started to rain.
were swimming
She cooked dinner when the lights went out.
She was cooking dinner when the lights went out.
Past Simple: They travelled to Japan last year.
→ Make a WH-question.
Where did they travel last year?
They were playing in the park when suddenly…
…a dog ran toward them.
What did you do / were you doing at 9 p.m. yesterday?
were you doing
They were walking to school when it suddenly rains.
They were walking to school when it suddenly rained.
Past Continuous: The kids were shouting in the garden.
→ Make a “Why…?” question.
Why were the kids shouting in the garden?
We were driving to the airport, but then…
…the car broke down.
She cleaned / was cleaning the house while he cooked dinner.
both possible
I was sleep when someone knocked on the door.
I was sleeping when someone knocked on the door.
Mixed: I was studying when you called me.
→ Make 2 different questions (PS + PC).
What were you doing when I called you? (PC)
When did I call you? (PS)
She was studying for her exam when....
…the lights went out and her laptop froze.
The phone rang while I worked / was working on my project.
was working