Сделайте пожалуйста общий вопрос к предложению They were watch TV at 6pm yesterday

Question

Сделайте пожалуйста общий вопрос к предложению
They were watch TV at 6pm yesterday

Answer 1

Were they watched TV at 6pm yesterday

Answer 2

Вопрос: What did they do yesterday?
Ответ: They were watching tv at 6pm yeaterday.