Past Simple or Past Continuous
While she ____________ (jog) in the park, it started to rain heavily.
While she was jogging in the park, it started to rain heavily.
By the time the concert ____________ (start), they had already arrived at the venue.
By the time the concert started, they had already arrived at the venue.
While she was studying for her exams, she realized that she _____________ (forget) some important notes.
While she was studying for her exams, she realized that she had forgotten some important notes.
He was studying for his exam when his friends _________ (call) him to go out.
He was studying for his exam when his friends called him to go out.
After he ______________ (finish) his homework, he went out to play with his friends.
After he had finished his homework, he went out to play with his friends.
When I ____________ (arrive) at the party, everyone had already started dancing and having fun.
When I arrived at the party, everyone had already started dancing and having fun.
They _____________ (watch) a movie when the power went out suddenly.
They were watching a movie when the power went out suddenly.
When she ___________ (find) the book, she realized she had read it before.
When she found the book, she realized she had read it before.
They ______________ (play) soccer in the park when it suddenly started to rain, and they had to seek shelter.
They were playing soccer in the park when it suddenly started to rain, and they had to seek shelter.
While I was cooking dinner, my mum ___________ (relax) in the kitchen.
While I was cooking dinner, my mum was relaxing in the kitchen.
They had already left the party when I finally ____________ (decide) to go.
They had already left the party when I finally decided to go.
After he ______________ (complete) his project, he was feeling relieved and decided to take a break.
After he had completed his project, he was feeling relieved and decided to take a break.
She was reading a book when she ________ (hear) a strange noise outside.
She was reading a book when she heard a strange noise outside.
Before I watched the movie, I ___________ (hear) many good reviews about it.
Before I watched the movie, I had heard many good reviews about it.
While I was reading the book, I ___________ (remember) that I had seen the movie adaptation last year.
While I was reading the book, I remembered that I had seen the movie adaptation last year.