1. When we (arrive) ____arrive_____ in London tonight, it probably (rain) ___be_rainning__
2. It (rain)__is_raining____ hard. We can’t do anything until it (stop) __stop____.
3. Last night we (watch) ___were watching____ TV when the power (fail) ___failed____.
4. That evening we (stay)____stayed_up____ up to talk about the town where he (live)___has lived___ for some years.
5. They (not work) ___don't_work____ on Sunday and they (work) _work__ from Monday to Saturday.
6. Half way to the office Paul (turn) __turned_____ round and (go) _____went_________ back home because he (forget) __forgot_______ to turn the gas off.
7. London (change)____ has_changed___ a lot since we first (come) ___came_____ to live here.
8. While we (talk)____were___talking_______ on the phone the children (start) __started___ fighting and (break) ___breaking____ a window.
9. He used to talk to us for hours about all the interesting things he (do) ___has_done___ in his life.
10. You know she (stand) ___has tood___________ looking at that picture for the last twenty minutes.
11. I (spend) __have__spent_______ a lot of time travelling since I (get) __got______ this new job.
12. When I (be) __am___ at school, we all (study) ___study__________ Latin.
13. When I (meet) ____met____ him, he (work) __has work____________ as a waiter for a year or so.
14. After he (finish)____had__finished_____ breakfast he (sit) ___sat_____ down to write some letters.
15. My grandfather (fly) ______has never flying _______ in an airplane, and he has no intention of ever doing so.