Drag the elements

• Should there be
• Were there
• Had there been

1. If there should be any problems, consult with the supervisor.
   [ ] any problems, consult with the supervisor.
2. If there were any problems, I would consult with the supervisor.
   [ ] any problems, I would consult with a supervisor.
3. If there had been any problems, you would have consulted with the supervisor.
   [ ] any problems, you would have consulted with the supervisor.