Use Present Perfect. Translate.

1.     They (not to be) to the theatre for ages.

2.     We (to know) him for a long time.

3.     Molly (not to see) her friends since last trip.

4.     We (to be) at the museum since two o’clock.

5.     Your parents (to visit) many shops since morning?

6.     Liz (to be) window-shopping for 4 hours.

7.     I (not to be) at the toy shop since his childhood.