Past progressive tense indicates an event that was in progress at a particular point in the past.
- She was cooking dinner when I called.
- While you were wasting time, I was doing all the work.
- We were watching television at eight o’clock.
The pattern for forming past progressive is as follows:
- Simple past tense form of to be + present participle
To be is irregular in simple past tense and also agrees with the subject in number and person.
| I was | We were |
| You were | You were |
| He/She/It was | They were |