Activation, Termination, and Body for Scratch Scheduling Constructs

Construct	Activation	Termination	Body
repeat k	previous completed; counter = 0	++counter; counter==k	any
repeat_until	previous completed	event occurs	any
forever	previous completed	false	any
wait t	previous completed; timer = 0	timer = t	none
wait_until	previous completed	event occurs	none
primitive	previous completed	true	any