Use PRESENT PERFECT TENSE or PRESENT PERFECT CONTINUOUS

1. They ____________________ (chat) on the phone since 12 o’clock and they __________________ (not finish) yet.

2. Sarah __________________ (read) since 4 o’clock.

3. We ___________________ (know) each other for more than twenty years.

4. I´m sorry! I´m late. ________________________________ (you/wait) for a long time?

5. Mary ________________________ (drive) her new car for a month.

6. We _________________________(study) English for three years.

7. ____________________________(you/see) Tim lately?

8. My father ___________________________ (not/ understand) my reasons yet.

9. Mary ______________________________(talk) on the phone with Tim for over two hours.

10. Our local football team _______________________ (win) the championships twice this year.