Answer:
1. I wish you would tell me earlier.
2. If you should see him, give him my regards
3. I am intending to do a job.
4. We are dancing with joy.
5. You mustn't light a match; the room is full of gas
6. You should be punctual
7. He has won the disciple prize.
8. You could show me the way to the station
9. He said I could use his telephone at any time.
10. You ought to pay your debts.
11. Ranju was washing the utensils
12. I don't think I shall be able to go
13. He does not do his work
14. He dare not take such a step
15. He used to play cricket before his marriage