Past Continuous vs Past Simple

They were not having test at that time.

They wasn't have test at that time.

They weren't having test that time.

They were having test that time.

While she was cooking I was playing basketball.

While she is cooking, I am playing basketball.

While she cooking,I playing basketball.

She was cooking while I was playing basketball.

was sterted ,was rising

started, was rising

started,rised

listened,was ringing

listened,rang

were listening,rang

listened, was hearing

was listening, heard

listened,heard

was cooking

is cooking

cooks

were cooking

were not watching

was watching

were not watch

played,was calling.

was playing,called

played,called

was rolling / felt down

were rolling/felt down

was roll/feel dowm

was running/ started

were running/started

run/ was starting

was cycling

were cycling

cycling

were playing

was playing

playing

played