must electrify
Regular verb: electrify - electrified- electrified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must electrify
you must electrify
she must electrify
we must electrify
you must electrify
they must electrify 	I must be electrifying
you must be electrifying
she must be electrifying
we must be electrifying
you must be electrifying
they must be electrifying	I must have electrified
you must have electrified
she must have electrified
we must have electrified
you must have electrified
they must have electrified	I must have been electrifying
you must have been electrifying
she must have been electrifying
we must have been electrifying
you must have been electrifying
they must have been electrifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't electrify
you mustn't electrify
she mustn't electrify
we mustn't electrify
you mustn't electrify
they mustn't electrify 	I mustn't be electrifying
you mustn't be electrifying
she mustn't be electrifying
we mustn't be electrifying
you mustn't be electrifying
they mustn't be electrifying	I mustn't have electrified
you mustn't have electrified
she mustn't have electrified
we mustn't have electrified
you mustn't have electrified
they mustn't have electrified	I mustn't have been electrifying
you mustn't have been electrifying
she mustn't have been electrifying
we mustn't have been electrifying
you mustn't have been electrifying
they mustn't have been electrifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I electrify?
must you electrify?
must she electrify?
must we electrify?
must you electrify?
must they electrify? 	must I be electrifying?
must you be electrifying?
must she be electrifying?
must we be electrifying?
must you be electrifying?
must they be electrifying? 	must I have electrified?
must you have electrified?
must she have electrified?
must we have electrified?
must you have electrified?
must they have electrified? 	must I have been electrifying?
must you have been electrifying?
must she have been electrifying?
must we have been electrifying?
must you have been electrifying?
must they have been electrifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I electrify?
mustn't you electrify?
mustn't she electrify?
mustn't we electrify?
mustn't you electrify?
mustn't they electrify? 	mustn't I be electrifying?
mustn't you be electrifying?
mustn't she be electrifying?
mustn't we be electrifying?
mustn't you be electrifying?
mustn't they be electrifying? 	mustn't I have electrified?
mustn't you have electrified?
mustn't she have electrified?
mustn't we have electrified?
mustn't you have electrified?
mustn't they have electrified? 	mustn't I have been electrifying?
mustn't you have been electrifying?
mustn't she have been electrifying?
mustn't we have been electrifying?
mustn't you have been electrifying?
mustn't they have been electrifying?