We      been staying here for a week.

20. Your children ____ paintball in my back yard for more than two hours by the time you pick them up.

She told me that she would have been      line to buy ticket when the last bus came yesterday.

We will have ____ 6 hours by the time we get home.

4. I ____ for 5 hours by the time you come to my home.

16. The construction workers ____ for more than 90 minutes when the bell rings.