How do you do team attacks in raging blast 2?

for the sprit bomb with goku krillin and gohan they have to be on your team for it to work goku has to die then buttons will show up then put in those buttons n it has to hit n u and him have to be on the ground for the bro. Kamehameha put big gohan super sayin gohan and goten they have to be at low life in the red zone