1. which tense is used for the actions which started in past and continue  till present

2. As soon as she _____ in New York, she’ll ring us up.

3. Akram and Aslam .....................done their work

4. will have been are the helping verbs of

5. They___ gone to a rock concert.

6. _____ you finished your homework?

7. We arrived at 8:05, but the train _____ already left.

8. In which tense three helping verbs are used at a time in sentences

9. _____ you been to Japan?

10. Hina has been getting 1st position ...................October 2020

11. They had been playing football......................40 minutes

12. the helping verb of future perfect continuous tense are

13. Lindsay _____ not been to France

14. Our pool pump ________ running properly before the storm.

15. The child will have been weeping ....................4pm

16. the helping verb of past perfect  tense are

17. I can’t call him now because I _____ his telephone number.

18. Usually which tense is used with combination of past simple tense

19. the helping verb of future perfect  tense are

20. Sarah thought she ________ to that zoo before.