I was just wondering if you could help me out and just have a look at my work out and let me know were im going wrong if there is out I could change or modify

Supplements im taking
Met rex whey protein
A standard multi vitamin

Goal: mass

Workout days Wednesday (1) Thursday (2) Friday (3) Sunday (4)

Work out (1) chest

Flat barbell press
Incline bench press
Decline bench pres
Incline flys

Workout (2) back

Seated row
Latpull downs (wide grip)
Latpull downs (close grip)
Pull ups (negative tho) I cant do a pull up so I do negative pull ups as in I get to the top so my chin is level with the top and try and hold my self up as long as I can
Dead lift

Workout (3) shoulders and legs

Military press
Side raises
Front raises
Close grip up right row
Shurgs

Leg press
Calf raises
Leg curl

Workout (4) arms

Barbell curl
Preacher curl
One arm cable curl

Triceps push down
Skull crushers
Over head triceps extension