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.