Curry even missed 3 games and that brought Warriors' end as well.

They are really nothing without him to be honest. I don't know how long he will continue to play until his retirement. When his current contract ends he is going to be 39.
Celtics didn't give up last night by bringing the series to 2-3. But Jayson Tatum is seriously injured and as far as I know he is out for the season now.
In this situation it is really difficult to expect them to eliminate Knicks.