you have to get the tears of light with out being killed by the phantom and then you hit the phantom in the back with your sword. then princess Zelda should be inside the phantoms body. then you guide her to the door and yu both pull the door open.
It's in the forest temple.
i think u get it at the forest temple.
in the snow realm
you follow the tree branches in which they are pointing but the last tree is wrong you go the opposite way
you got to hit them with your sword and dont let them take the boss key
It is a whip not a rope and it is in the sea temple
Try here: http://www.zeldadungeon.net/Zelda13-spirit-tracks-walkthrough-10.php
In the Fire Temple after you defeat heatoise.
look on Zelda dungeons they have walkthroughs for every "legend of Zelda" game out there
This will answer evrything for you: http://www.zeldadungeon.net/Zelda13-spirit-tracks-walkthrough-06.php
It's in the grandpa goron house.
beat the the dark temple floor