You can use the following keyboard shortcuts in ModelRight 4.1:
Key
Action
F1
Help
F3
Toggle Model Explorer Display
F4
Toggle Property Browser Display
Alt+Enter
Del
Delete Selected Objects
Ctrl+A
Select All
Ctrl+C
Copy Selected Objects to Clipboard
Ctrl+F
Toggle Full Screen Display
Ctrl+G
Go To in Diagram
Ctrl+Shift+L
Toggle Reverse Engineer Logging
Ctrl+N
New Model
Ctrl+O
Open File
Ctrl+P
Print
Ctrl+S
Save to File
Ctrl+T
Go To Selection in Diagram
Ctrl+X
Ctrl+V
Paste Clipboard Contents
Ctrl+Y
Redo
Ctrl+Z
Undo
Alt+Back
Ctrl+1, 2...5
Go To User-Defined Link
Ctrl+9
Go To Parent
Ctrl+0
Go To Child
Ctrl+Right Arrow
Select Next
Alt+Right
Ctrl+Left
Select Previous
Alt+Left
Shift+Up, Down, Left, Right
Nudge Up, Down, Left, Right