Past Continuous Tense

Rumus: 

•     Positive:

          I/he/she/it    + was + Present Participle
          you/we/they+ were+ Present Participle

•     Negative:

            S + was/were + not+ Present Participle

•     Interrogative:

            Was/Were + S + Present Participle

Example:

   (+) They were talking about you when I met them
   (-) They weren't talking about you when I met them
   (?) Were they talking about you when I met them?