Reflexive pronouns

Reflexive pronouns 
1) no one helps these students to do those exercises 
---> these students
2) nobody helps her wash her clothes 
---> she 
3) no one helped him do the exercises 
---> he 
4) i made this jumper on my own 
---> 
5) we put up the tent on our own 
---> 
6) the dog sleeps on its own in the kitchen 
--->