I screw with my right hand so i start on the right side.
Measured your sheet in the middle of the stud.!!
Square your sheet with the right upper corner because that's your base,!!
This is how your screws should look like.!1
Always screw the banks of your sheet first, so that your eyes do not deceive you.
this light boxes, mark the inside
Rotozip your light boxes 1st before screwing near the box
When we get to this corner we should know how the box looks like and it's gotta be like this.