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

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

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

4. They___ gone to a rock concert.

5. _____ you been to Japan?

6. the helping verb of future perfect continuous tense are

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

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

9. Lindsay _____ not been to France

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

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

12. Akram and Aslam .....................done their work

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

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

15. Sarah thought she ________ to that zoo before.

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

17. _____ you finished your homework?

18. will have been are the helping verbs of

19. the helping verb of past perfect  tense are

20. the helping verb of future perfect  tense are