By December next year, we……….in this house for twenty years.

I'm tired. I……….the house since 9 this morning.

I will come to your office as soon as I will prepare this report.

"Could I have a word with you, please?" - "Sorry, I'm in a big hurry. My train……….in 15 minutes."

We……….up the hill for half an hour when we realized we……….in the direction of the castle.

Once an animal      from the wild, it generally cannot be returned to its place of origin for fear of disease.

When the original star of the play……….ill, Mary……….an unexpected chance to play the leading role.