The concert had already started when they arrived. -
The plane leaves at six pm. -
Dad will not be working when you arrive. -
We will see how it goes. -
Jack had been trying to open the door for an hour before he found a key. -
Alice was studying when I went to bed. -
Mary saw this film last week. -
Robert will have resigned by March. -
What were you doing when Nick came back? -
How long will your father have been working there when he retires? -
I think it won't rain. -
I have been waiting for Mary since noon. -
My mother doesn't live in Boston. -
Linda hasn't been singing for a long time. -
Had they been living there for a year before they moved out? -
It had been raining so hard that the flood began. -
By December Jessica will have been dancing professionally for twenty years. -
Anna will not have finished the project by next week. -
When did you buy this car? -
Do you often eat vegetables? -