Then talk to your supervisor about the project going slow, and provide supporting information.
Rather than saying "X is not doing their work", say, "A was three weeks late, and B had to be redone, and C ...", and then ask the supervisor what can be done to avoid these kinds of problem in the future?
The project is going slow and it is affecting all of us.
Then talk to your supervisor about the project going slow, and provide supporting information.
Rather than saying "X is not doing their work", say, "A was three weeks late, and B had to be redone, and C ...", and then ask the supervisor what can be done to avoid these kinds of problem in the future?
Yes. That is a good approach