1. Brad watered the flowers an hour ago. Brad didn’t water the flowers an hour ago. Did Brad water the flowers an hour ago?
2. They watched TV yesterday. They didn’t watch TV yesterday. Did they watch TV yesterday?
3. He answered my question a minute ago. He didn’t answer my question a minute ago. Did he answer my question a minute ago?
4. We discussed this problem last Tuesday. We didn’t discuss this problem last Tuesday. Did we discuss this problem last Tuesday.
2 They watched TV yesturday.+
Did they watch TV yesturday?
They didn’t watch TV yesturday.
3 He answered on my questions a minute ago.+
Did he answer on my questions a minute ago?
He didn’t answer on my questions a minute ago.
4 We discussed this problem last Tuesday.+
Did we discuss this problem last Tuesday?
We didn’t discuss this problem last Tuesday.