must activate
Regular verb: activate - activated- activated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must activate
you must activate
she must activate
we must activate
you must activate
they must activate 	I must be activating
you must be activating
she must be activating
we must be activating
you must be activating
they must be activating	I must have activated
you must have activated
she must have activated
we must have activated
you must have activated
they must have activated	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 	V-ing form 	Perfect 	V-ing perfect 	
I must not activate
you must not activate
she must not activate
we must not activate
you must not activate
they must not activate 	I must not be activating
you must not be activating
she must not be activating
we must not be activating
you must not be activating
they must not be activating	I must not have activated
you must not have activated
she must not have activated
we must not have activated
you must not have activated
they must not have activated	I must not have been activating
you must not have been activating
she 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 	V-ing form 	Perfect 	V-ing perfect 	
must I activate?
must you activate?
must she activate?
must we activate?
must you activate?
must they activate? 	must I be activating?
must you be activating?
must she be activating?
must we be activating?
must you be activating?
must they be activating? 	must I have activated?
must you have activated?
must she have activated?
must we have activated?
must you have activated?
must they have activated? 	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 	V-ing form 	Perfect 	V-ing perfect 	
must I not activate?
must you not activate?
must she not activate?
must we not activate?
must you not activate?
must they not activate? 	must I not be activating?
must you not be activating?
must she not be activating?
must we not be activating?
must you not be activating?
must they not be activating? 	must I not have activated?
must you not have activated?
must she not have activated?
must we not have activated?
must you not have activated?
must they not have activated? 	must I not have been activating?
must you not have been activating?
must she not have been activating?
must we not have been activating?
must you not have been activating?
must they not have been activating?