must enervate
Regular verb: enervate - enervated- enervated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must enervate
you must enervate
she must enervate
we must enervate
you must enervate
they must enervate 	I must be enervating
you must be enervating
she must be enervating
we must be enervating
you must be enervating
they must be enervating	I must have enervated
you must have enervated
she must have enervated
we must have enervated
you must have enervated
they must have enervated	I must have been enervating
you must have been enervating
she must have been enervating
we must have been enervating
you must have been enervating
they must have been enervating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't enervate
you mustn't enervate
she mustn't enervate
we mustn't enervate
you mustn't enervate
they mustn't enervate 	I mustn't be enervating
you mustn't be enervating
she mustn't be enervating
we mustn't be enervating
you mustn't be enervating
they mustn't be enervating	I mustn't have enervated
you mustn't have enervated
she mustn't have enervated
we mustn't have enervated
you mustn't have enervated
they mustn't have enervated	I mustn't have been enervating
you mustn't have been enervating
she mustn't have been enervating
we mustn't have been enervating
you mustn't have been enervating
they mustn't have been enervating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I enervate?
must you enervate?
must she enervate?
must we enervate?
must you enervate?
must they enervate? 	must I be enervating?
must you be enervating?
must she be enervating?
must we be enervating?
must you be enervating?
must they be enervating? 	must I have enervated?
must you have enervated?
must she have enervated?
must we have enervated?
must you have enervated?
must they have enervated? 	must I have been enervating?
must you have been enervating?
must she have been enervating?
must we have been enervating?
must you have been enervating?
must they have been enervating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I enervate?
mustn't you enervate?
mustn't she enervate?
mustn't we enervate?
mustn't you enervate?
mustn't they enervate? 	mustn't I be enervating?
mustn't you be enervating?
mustn't she be enervating?
mustn't we be enervating?
mustn't you be enervating?
mustn't they be enervating? 	mustn't I have enervated?
mustn't you have enervated?
mustn't she have enervated?
mustn't we have enervated?
mustn't you have enervated?
mustn't they have enervated? 	mustn't I have been enervating?
mustn't you have been enervating?
mustn't she have been enervating?
mustn't we have been enervating?
mustn't you have been enervating?
mustn't they have been enervating?