2 предложения в past simple и past continuous отрицательная и вопросительная форма и простая

1. My brother bought a new computer last week. Did my brother buy a new computer last week? My brother didn\'t buy a new computer last week.2. Her parents were at the theatre on Sunday. Were her parents at the theatre on Sunday? Her parents were not at the theatre on Sunday.3. They were playing tennis from four till five yesterday. Were they playing tennis from four till five yesterday? They were not playing tennis from four till five yesterday.4. Mary was writing a composition the whole evening yesterday. Was Mary writing a composition the whole evening yesterday? Mary was not writing a composition the whole evening yesterday.