must water-wave
Regular verb: water-wave - water-waved- water-waved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must water-wave
you must water-wave
she must water-wave
we must water-wave
you must water-wave
they must water-wave 	I must be water-waving
you must be water-waving
she must be water-waving
we must be water-waving
you must be water-waving
they must be water-waving	I must have water-waved
you must have water-waved
she must have water-waved
we must have water-waved
you must have water-waved
they must have water-waved	I must have been water-waving
you must have been water-waving
she must have been water-waving
we must have been water-waving
you must have been water-waving
they must have been water-waving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't water-wave
you mustn't water-wave
she mustn't water-wave
we mustn't water-wave
you mustn't water-wave
they mustn't water-wave 	I mustn't be water-waving
you mustn't be water-waving
she mustn't be water-waving
we mustn't be water-waving
you mustn't be water-waving
they mustn't be water-waving	I mustn't have water-waved
you mustn't have water-waved
she mustn't have water-waved
we mustn't have water-waved
you mustn't have water-waved
they mustn't have water-waved	I mustn't have been water-waving
you mustn't have been water-waving
she mustn't have been water-waving
we mustn't have been water-waving
you mustn't have been water-waving
they mustn't have been water-waving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I water-wave?
must you water-wave?
must she water-wave?
must we water-wave?
must you water-wave?
must they water-wave? 	must I be water-waving?
must you be water-waving?
must she be water-waving?
must we be water-waving?
must you be water-waving?
must they be water-waving? 	must I have water-waved?
must you have water-waved?
must she have water-waved?
must we have water-waved?
must you have water-waved?
must they have water-waved? 	must I have been water-waving?
must you have been water-waving?
must she have been water-waving?
must we have been water-waving?
must you have been water-waving?
must they have been water-waving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I water-wave?
mustn't you water-wave?
mustn't she water-wave?
mustn't we water-wave?
mustn't you water-wave?
mustn't they water-wave? 	mustn't I be water-waving?
mustn't you be water-waving?
mustn't she be water-waving?
mustn't we be water-waving?
mustn't you be water-waving?
mustn't they be water-waving? 	mustn't I have water-waved?
mustn't you have water-waved?
mustn't she have water-waved?
mustn't we have water-waved?
mustn't you have water-waved?
mustn't they have water-waved? 	mustn't I have been water-waving?
mustn't you have been water-waving?
mustn't she have been water-waving?
mustn't we have been water-waving?
mustn't you have been water-waving?
mustn't they have been water-waving?