1) By the time you call the mechanic, the car (break) down completely.

2) I'm bored. In five minutes she (ask) silly questions for almost an hour.

3) I?ll still be with you next month but my sister (leave).

4) By the time I finish work tonight , I (type) for 10 hours non-stop.

5) The plane (land) before you realise it.

6) After this evening I (be) to three parties this week.

7) As soon as the clock strikes 12, she (sleep) for twenty hours.

8) When I return in five years? time, I believe our village (change) considerably.

9) By the end of the month, 3000 people (visit) the exhibition.

10) Hold out a little longer! In a quarter of an hour you (jog) for two hours.