I must activate you must activate she must activate we must activate you must activate they must activate
V-ing form
I must be activating you must be activating she must be activating we must be activating you must be activating they must be activating
Perfect
I must have activated you must have activated she 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 she must have been activating we must have been activating you must have been activating they must have been activating
Negation
Simple form
I mustn't activate you mustn't activate she mustn't activate we mustn't activate you mustn't activate they mustn't activate
V-ing form
I mustn't be activating you mustn't be activating she mustn't be activating we mustn't be activating you mustn't be activating they mustn't be activating
Perfect
I mustn't have activated you mustn't have activated she mustn't have activated we mustn't have activated you mustn't have activated they mustn't have activated
V-ing perfect
I mustn't have been activating you mustn't have been activating she mustn't have been activating we mustn't have been activating you mustn't have been activating they mustn't have been activating
Interrogative form
Simple form
must I activate? must you activate? must she activate? must we activate? must you activate? must they activate?
V-ing form
must I be activating? must you be activating? must she be activating? must we be activating? must you be activating? must they be activating?
Perfect
must I have activated? must you have activated? must she 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 she have been activating? must we have been activating? must you have been activating? must they have been activating?
Interro-negative form
Simple form
mustn't I activate? mustn't you activate? mustn't she activate? mustn't we activate? mustn't you activate? mustn't they activate?
V-ing form
mustn't I be activating? mustn't you be activating? mustn't she be activating? mustn't we be activating? mustn't you be activating? mustn't they be activating?
Perfect
mustn't I have activated? mustn't you have activated? mustn't she have activated? mustn't we have activated? mustn't you have activated? mustn't they have activated?
V-ing perfect
mustn't I have been activating? mustn't you have been activating? mustn't she have been activating? mustn't we have been activating? mustn't you have been activating? mustn't they have been activating?