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

2. _____ you been to Japan?

3. _____ you finished your homework?

4. the helping verb of future perfect continuous tense are

5. Akram and Aslam .....................done their work

6. They___ gone to a rock concert.

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

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

9. the helping verb of future perfect  tense are

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

11. Lindsay _____ not been to France

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

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

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

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

16. Sarah thought she ________ to that zoo before.

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

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

19. the helping verb of past perfect  tense are

20. will have been are the helping verbs of