Have you ever seen northern lights? -
It is hot in here, I will open the window. -
Alice was studying when I went to bed. -
It was raining while I was walking my dog. -
Mary saw this film last week. -
Is Anna going to finish her lunch? -
Had the store already closed when you came? -
Jack had been trying to open the door for an hour before he found a key. -
My mother doesn't live in Boston. -
Jack has bought a new apartment recently. -
Had they been living there for a year before they moved out? -
What were you doing when Nick came back? -
We are travelling together at the moment. -
Paul will be swimming in the sea this time tomorrow. -
I had heard about the accident before I read the article. -
How long will your father have been working there when he retires? -
When did you buy this car? -
Will they have arrived by six o'clock? -
How long have you been living here? -
I think it won't rain. -