PAST CONTINUOUS/PROGRESSIVE
We make present progressive verbs with BE (was, were) + VERBing
HOW TO MAKE –ING FORMS:
USE
1) to say what was (not) happening around (before, at and after) a past time: What were you doing at 8.00. Were you watching TV?
HOW TO MAKE QUESTIONS:
Was/were + subject + verbing
What were all the children singing?
HOW TO MAKE NEGATIVES:
Subject + was/were + not + verbing
I wasn't watching TV.