Have you ever seen northern lights? -
When did you buy this car? -
At that point I will have been living in San Francisco for a year. -
Is Anna going to finish her lunch? -
Linda hasn't been singing for a long time. -
We are travelling together at the moment. -
Mark wasn't playing, he was just watching the game. -
The concert had already started when they arrived. -
I went to Seattle two years ago. -
Paul will be swimming in the sea this time tomorrow. -
I think it won't rain. -
Where have you been all my life? -
Had they been living there for a year before they moved out? -
What were you doing when Nick came back? -
Jack has bought a new apartment recently. -
By December Jessica will have been dancing professionally for twenty years. -
Had the store already closed when you came? -
We had not been waiting long before the taxi arrived. -
I have been waiting for Mary since noon. -
It is hot in here, I will open the window. -