I must evolve you must evolve she must evolve we must evolve you must evolve they must evolve
V-ing form
I must be evolving you must be evolving she must be evolving we must be evolving you must be evolving they must be evolving
Perfect
I must have evolved you must have evolved she must have evolved we must have evolved you must have evolved they must have evolved
V-ing perfect
I must have been evolving you must have been evolving she must have been evolving we must have been evolving you must have been evolving they must have been evolving
Negation
Simple form
I mustn't evolve you mustn't evolve she mustn't evolve we mustn't evolve you mustn't evolve they mustn't evolve
V-ing form
I mustn't be evolving you mustn't be evolving she mustn't be evolving we mustn't be evolving you mustn't be evolving they mustn't be evolving
Perfect
I mustn't have evolved you mustn't have evolved she mustn't have evolved we mustn't have evolved you mustn't have evolved they mustn't have evolved
V-ing perfect
I mustn't have been evolving you mustn't have been evolving she mustn't have been evolving we mustn't have been evolving you mustn't have been evolving they mustn't have been evolving
Interrogative form
Simple form
must I evolve? must you evolve? must she evolve? must we evolve? must you evolve? must they evolve?
V-ing form
must I be evolving? must you be evolving? must she be evolving? must we be evolving? must you be evolving? must they be evolving?
Perfect
must I have evolved? must you have evolved? must she have evolved? must we have evolved? must you have evolved? must they have evolved?
V-ing perfect
must I have been evolving? must you have been evolving? must she have been evolving? must we have been evolving? must you have been evolving? must they have been evolving?
Interro-negative form
Simple form
mustn't I evolve? mustn't you evolve? mustn't she evolve? mustn't we evolve? mustn't you evolve? mustn't they evolve?
V-ing form
mustn't I be evolving? mustn't you be evolving? mustn't she be evolving? mustn't we be evolving? mustn't you be evolving? mustn't they be evolving?
Perfect
mustn't I have evolved? mustn't you have evolved? mustn't she have evolved? mustn't we have evolved? mustn't you have evolved? mustn't they have evolved?
V-ing perfect
mustn't I have been evolving? mustn't you have been evolving? mustn't she have been evolving? mustn't we have been evolving? mustn't you have been evolving? mustn't they have been evolving?