What were you doing when Nick came back? -
My mother doesn't live in Boston. -
Have you ever seen northern lights? -
Jack can't come, he is eating. -
Will anyone be bringing friends to the party? -
Dad will not be working when you arrive. -
It was raining while I was walking my dog. -
Linda hasn't been singing for a long time. -
Had the store already closed when you came? -
The concert had already started when they arrived. -
I have been waiting for Mary since noon. -
The plane leaves at six pm. -
Alice was studying when I went to bed. -
I am not crying, everything is okay. -
Mark wasn't playing, he was just watching the game. -
I have not submitted the report yet. -
We had not been waiting long before the taxi arrived. -
At that point I will have been living in San Francisco for a year. -
Anna will not have finished the project by next week. -
What is Jenny doing here? -