Past Continuous signal words

Grammar explanations Past Continuous diagram
Past Continuous form
Past Continuous use
Past Continuous spelling
Past Continuous signal words
Exercises Past Continuous

Past Continuous Tense is often used in the sentences containing the following words:

WHILE

When we talk about situations happening simultaneously.

While I was reading my wife was taking a shower.

WHEN

When we talk about situations or activities which happened at the moment when another situation was in progress.

She was watching TV when somebody knocked at the door.