past continous
Aff(+) (I, He, She, It) was + verb ing + complement+ t.e
           (You, We, They) were
Neg(-) =) + wasn't/weren't + verb ing + complement + t.e
Int(?) Was/Were + =) + verb ing + complement + t.e + ?
S.A: Yes. =) was/were
        No, =) wasn't/werent

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