question: "if you want to serve god, you have to do what he says.
Capitalize this past sentence correctly.
A: "If you want to serve God, you have to do what He says.

question: helgstrand dressage is one of the world's most recognised sales and training stables for dressage horses.
Capitalize this past sentence correctly.
A: Helgstrand Dressage is one of the world's most recognised sales and training stables for dressage horses.

question: in future collaboration with its former joint venture partner, steps have been taken to ensure that all development and supply agreements will be continued.
Capitalize this past sentence correctly.
A: In future collaboration with its former joint venture partner, steps have been taken to ensure that all development and supply agreements will be continued.