"Interact to push." "Hold shift when interacting to pull." nothing tells you to interact before pressing shift, it says "hold" "shift" "interact" in that order.
"Hold shift (when/while/as you/before) interacting" is all interchangeable.
"Interact to push." "Hold shift when interacting to pull." nothing tells you to interact before pressing shift, it says "hold" "shift" "interact" in that order.
"Hold shift (when/while/as you/before) interacting" is all interchangeable.