I must activate you must activate he must activate we must activate you must activate they must activate
V-ing form
I must be activating you must be activating he must be activating we must be activating you must be activating they must be activating
Perfect
I must have activated you must have activated he must have activated we must have activated you must have activated they must have activated
V-ing perfect
I must have been activating you must have been activating he must have been activating we must have been activating you must have been activating they must have been activating
Negation
Simple form
I must not activate you must not activate he must not activate we must not activate you must not activate they must not activate
V-ing form
I must not be activating you must not be activating he must not be activating we must not be activating you must not be activating they must not be activating
Perfect
I must not have activated you must not have activated he must not have activated we must not have activated you must not have activated they must not have activated
V-ing perfect
I must not have been activating you must not have been activating he must not have been activating we must not have been activating you must not have been activating they must not have been activating
Interrogative form
Simple form
must I activate? must you activate? must he activate? must we activate? must you activate? must they activate?
V-ing form
must I be activating? must you be activating? must he be activating? must we be activating? must you be activating? must they be activating?
Perfect
must I have activated? must you have activated? must he have activated? must we have activated? must you have activated? must they have activated?
V-ing perfect
must I have been activating? must you have been activating? must he have been activating? must we have been activating? must you have been activating? must they have been activating?
Interro-negative form
Simple form
must I not activate? must you not activate? must he not activate? must we not activate? must you not activate? must they not activate?
V-ing form
must I not be activating? must you not be activating? must he not be activating? must we not be activating? must you not be activating? must they not be activating?
Perfect
must I not have activated? must you not have activated? must he not have activated? must we not have activated? must you not have activated? must they not have activated?
V-ing perfect
must I not have been activating? must you not have been activating? must he not have been activating? must we not have been activating? must you not have been activating? must they not have been activating?