Reflexive pronouns

Sujet du devoir

Bonjour j'ai besoin d'aide sur cet exercice .
Exercice :On reflexive pronouns .
Exemple: Whose (à qui appartient ).Whose car is it ? it's M. Boussougou/ or it's for Mr Boussougou .This exercice was difficult but I did it Myself .

1- Joseph built this house .
2- You won this champions hip .
3- I parked daddy's car .
4-We brought bach these tools .
5-Carla and Rodrigue learned how to drive .

Où j'en suis dans mon devoir

1- Joseph built this house himself.
2- You won this champions hip yourselves.
3- I parked daddy's car myself.
4-We brought bach these tools oursselves.
5-Carla and Rodrigue learned how to drive themselves.