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