Yes you can! There are a few secret key combinations, here they are:
Ctrl+C Copy game as PGN
Ctrl+\ Copy the position as EPD
Ctrl+, Copy the game up to the current move
Ctrl+. Copy the game, starting from the current move
Ctrl+V Paste
Ctrl+D Insert diagram
Down arrow Select the next variation in the current position
Up arrow Select the previous variation in the current position
Shift+S Manage styles
Backspace Delete the previous move
Ctrl+Shift+Backspace Delete the rest of the variation (rest of the game if the current move is in the mainline)
Del Delete the move annotations (if there is any), otherwise delete the variation
Ctrl+Y Delete variation
Ctrl+L Promote variation
Ctrl+A Annotation palette
Ctrl+I Change the starting move number of the game