You're in quite a pickle, Samwise Gamgee. You know what Frodo thinks he has to do, but you want to ensure that he doesn't go off without you.
Pippin is at the camp-fire on Parth Galen.
You're worried, and should talk to your friends. Pippin is young and might need a friendly word.
Merry is sitting by the camp-fire at Parth Galen.
You should talk to Merry to see if he is as concerned as you are.
Boromir has returned to the camp-fire on Parth Galen.
Frodo may be in danger! You have to stay with Aragorn!
You need to use your plain old hobbit-sense to figure out what has happened to Frodo!
Frodo needs to get back to the boats if he plans to leave for Mordor alone, and that means you need to get back to the boats if you are to catch him!
Frodo has already taken one of the boats! You have to swim as best you can out into the lake to reach him before he gets too far away!
Frodo must be on this boat!