### Teorija

FORMULA
 + / - / ? was / were + Ving

FORM
Affirmative sentences (+): was/were + Ving
 Subject was / were Ving I was working We were working You were working They were working He was working She was working It was working
Negative sentences (-): was / were + not + Ving
 Subject was / were not Ving I was not working We were not working You were not working They were not working He was not working She was not working It was not working
was not = wasn't
were not = weren't
Interrogative sentences (?): ... was / were + S + Ving … ?
 (QW) was / were Subject Ving "what / where / when" ? Was I working ? Were we working ? Where were you working yesterday at 8 o'clock ? Were they working ? Was he working when the children came ? Was she working ? Was it working ?
Yes, S + was / were.
No, S + wasn't / weren't.
 Yes, Subject was. / were. No, Subject wasn't. / weren't. Yes, I was. No, I wasn't. Yes, we were. No, we weren't. Yes, you were. No, you weren't. Yes, they were. No, they weren't. Yes, he was. No, he wasn't. Yes, she was. No, she wasn't. Yes, it was. No, it wasn't.
NOTE!
In short answers we use pronouns (I, we, you, they, he, she, it)
E.g.
— Was Adam working yesterday at 9 o'clock?
— No, he wasn't.