must rejuvenate
Regular verb: rejuvenate - rejuvenated- rejuvenated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must rejuvenate
you must rejuvenate
she must rejuvenate
we must rejuvenate
you must rejuvenate
they must rejuvenate 	I must be rejuvenating
you must be rejuvenating
she must be rejuvenating
we must be rejuvenating
you must be rejuvenating
they must be rejuvenating	I must have rejuvenated
you must have rejuvenated
she must have rejuvenated
we must have rejuvenated
you must have rejuvenated
they must have rejuvenated	I must have been rejuvenating
you must have been rejuvenating
she must have been rejuvenating
we must have been rejuvenating
you must have been rejuvenating
they must have been rejuvenating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't rejuvenate
you mustn't rejuvenate
she mustn't rejuvenate
we mustn't rejuvenate
you mustn't rejuvenate
they mustn't rejuvenate 	I mustn't be rejuvenating
you mustn't be rejuvenating
she mustn't be rejuvenating
we mustn't be rejuvenating
you mustn't be rejuvenating
they mustn't be rejuvenating	I mustn't have rejuvenated
you mustn't have rejuvenated
she mustn't have rejuvenated
we mustn't have rejuvenated
you mustn't have rejuvenated
they mustn't have rejuvenated	I mustn't have been rejuvenating
you mustn't have been rejuvenating
she mustn't have been rejuvenating
we mustn't have been rejuvenating
you mustn't have been rejuvenating
they mustn't have been rejuvenating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I rejuvenate?
must you rejuvenate?
must she rejuvenate?
must we rejuvenate?
must you rejuvenate?
must they rejuvenate? 	must I be rejuvenating?
must you be rejuvenating?
must she be rejuvenating?
must we be rejuvenating?
must you be rejuvenating?
must they be rejuvenating? 	must I have rejuvenated?
must you have rejuvenated?
must she have rejuvenated?
must we have rejuvenated?
must you have rejuvenated?
must they have rejuvenated? 	must I have been rejuvenating?
must you have been rejuvenating?
must she have been rejuvenating?
must we have been rejuvenating?
must you have been rejuvenating?
must they have been rejuvenating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I rejuvenate?
mustn't you rejuvenate?
mustn't she rejuvenate?
mustn't we rejuvenate?
mustn't you rejuvenate?
mustn't they rejuvenate? 	mustn't I be rejuvenating?
mustn't you be rejuvenating?
mustn't she be rejuvenating?
mustn't we be rejuvenating?
mustn't you be rejuvenating?
mustn't they be rejuvenating? 	mustn't I have rejuvenated?
mustn't you have rejuvenated?
mustn't she have rejuvenated?
mustn't we have rejuvenated?
mustn't you have rejuvenated?
mustn't they have rejuvenated? 	mustn't I have been rejuvenating?
mustn't you have been rejuvenating?
mustn't she have been rejuvenating?
mustn't we have been rejuvenating?
mustn't you have been rejuvenating?
mustn't they have been rejuvenating?