must defibrillate
Regular verb: defibrillate - defibrillated- defibrillated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must defibrillate
you must defibrillate
she must defibrillate
we must defibrillate
you must defibrillate
they must defibrillate 	I must be defibrillating
you must be defibrillating
she must be defibrillating
we must be defibrillating
you must be defibrillating
they must be defibrillating	I must have defibrillated
you must have defibrillated
she must have defibrillated
we must have defibrillated
you must have defibrillated
they must have defibrillated	I must have been defibrillating
you must have been defibrillating
she must have been defibrillating
we must have been defibrillating
you must have been defibrillating
they must have been defibrillating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not defibrillate
you must not defibrillate
she must not defibrillate
we must not defibrillate
you must not defibrillate
they must not defibrillate 	I must not be defibrillating
you must not be defibrillating
she must not be defibrillating
we must not be defibrillating
you must not be defibrillating
they must not be defibrillating	I must not have defibrillated
you must not have defibrillated
she must not have defibrillated
we must not have defibrillated
you must not have defibrillated
they must not have defibrillated	I must not have been defibrillating
you must not have been defibrillating
she must not have been defibrillating
we must not have been defibrillating
you must not have been defibrillating
they must not have been defibrillating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I defibrillate?
must you defibrillate?
must she defibrillate?
must we defibrillate?
must you defibrillate?
must they defibrillate? 	must I be defibrillating?
must you be defibrillating?
must she be defibrillating?
must we be defibrillating?
must you be defibrillating?
must they be defibrillating? 	must I have defibrillated?
must you have defibrillated?
must she have defibrillated?
must we have defibrillated?
must you have defibrillated?
must they have defibrillated? 	must I have been defibrillating?
must you have been defibrillating?
must she have been defibrillating?
must we have been defibrillating?
must you have been defibrillating?
must they have been defibrillating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not defibrillate?
must you not defibrillate?
must she not defibrillate?
must we not defibrillate?
must you not defibrillate?
must they not defibrillate? 	must I not be defibrillating?
must you not be defibrillating?
must she not be defibrillating?
must we not be defibrillating?
must you not be defibrillating?
must they not be defibrillating? 	must I not have defibrillated?
must you not have defibrillated?
must she not have defibrillated?
must we not have defibrillated?
must you not have defibrillated?
must they not have defibrillated? 	must I not have been defibrillating?
must you not have been defibrillating?
must she not have been defibrillating?
must we not have been defibrillating?
must you not have been defibrillating?
must they not have been defibrillating?