1) There is no coffee in my cup. There was no coffee in my cup. There will be no coffee in my cup.
2) There is no exact objective. There was no exact objective. There will be no exact objective.
3) Is there much work to do at home? Was there much work to do at home? Will there be much work to do at home?
1) There is no key in my bag. I have no keys in my bag.
2) There are no suggestions on his problem. Nobody has ( или I have no) suggestions on his problem.
3) There is no possibility to reduce your expenses. I have no possibility to reduce your expenses.
4) There are no flowers in our room. We have no flowers in our room.
5) There is no reason for me to disagree with your statements. I have no reason to disagree with your statements.