Correcto: This tense is used to describe context in the past , Expresses a situation that was in progress , The verb needs to have ing ending , The structure is ( subject + was /were + verb +ing ), Was ( I ,he , she , it ) / Were (we , you , they )  , Incorrecto: is used to talk about the present and to talk about the future, indicates continuing action, something going on now, tense that indicates that something will occur in the future and continue for an expected length of time, Was ( we , you , they ) / were ( i , he , she , it ), The structure is ( Subject + will/shall + V1 + Object),

past continuous / rules / structure

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