1.I was watching TV when she called.
Was I watching TV when she called?
2.When the phone rang, she was writing a letter.
Was she writing a letter when the phone rang?
3. Last night at 6 PM, I was eating dinner.
Was I eating dinner last night at 6 PM ?
4.Yesterday at 9 PM , they were watching TV .
Were they watching TV yesterday at 9 PM ?
5.Yesterday at this time, he was sitting at my desk at work.
Was he sitting at his desk at work yesterday at this time?