Trả lời: AffirmativeI/He/ She/ It/ You/ We/ They was (2) watching TVI/He/ She/ It/ You/ We/ They (1) were (3) playing tennis.NegativeI/He/ She/ It/ You/ We/ They (4) wasn't (6) having lunch.I/He/ She/ It/ You/ We/ They (5) weren't (7) ...
Trả lời: 1. was travelling2. wasn't cycling3. were sitting4. wasn't studying5. were climbing6. weren't looking
Trả lời: 1. was playing2. was helping3. was baking4. were having5. was walking6. were watching
Trả lời: Ex: At 7.00 on Saturday evening, my friends and I were watching a funny film. We weren't playing a video game.