must shortwave
Regular verb: shortwave - shortwaved- shortwaved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shortwave
you must shortwave
she must shortwave
we must shortwave
you must shortwave
they must shortwave 	I must be shortwaving
you must be shortwaving
she must be shortwaving
we must be shortwaving
you must be shortwaving
they must be shortwaving	I must have shortwaved
you must have shortwaved
she must have shortwaved
we must have shortwaved
you must have shortwaved
they must have shortwaved	I must have been shortwaving
you must have been shortwaving
she must have been shortwaving
we must have been shortwaving
you must have been shortwaving
they must have been shortwaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not shortwave
you must not shortwave
she must not shortwave
we must not shortwave
you must not shortwave
they must not shortwave 	I must not be shortwaving
you must not be shortwaving
she must not be shortwaving
we must not be shortwaving
you must not be shortwaving
they must not be shortwaving	I must not have shortwaved
you must not have shortwaved
she must not have shortwaved
we must not have shortwaved
you must not have shortwaved
they must not have shortwaved	I must not have been shortwaving
you must not have been shortwaving
she must not have been shortwaving
we must not have been shortwaving
you must not have been shortwaving
they must not have been shortwaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I shortwave?
must you shortwave?
must she shortwave?
must we shortwave?
must you shortwave?
must they shortwave? 	must I be shortwaving?
must you be shortwaving?
must she be shortwaving?
must we be shortwaving?
must you be shortwaving?
must they be shortwaving? 	must I have shortwaved?
must you have shortwaved?
must she have shortwaved?
must we have shortwaved?
must you have shortwaved?
must they have shortwaved? 	must I have been shortwaving?
must you have been shortwaving?
must she have been shortwaving?
must we have been shortwaving?
must you have been shortwaving?
must they have been shortwaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not shortwave?
must you not shortwave?
must she not shortwave?
must we not shortwave?
must you not shortwave?
must they not shortwave? 	must I not be shortwaving?
must you not be shortwaving?
must she not be shortwaving?
must we not be shortwaving?
must you not be shortwaving?
must they not be shortwaving? 	must I not have shortwaved?
must you not have shortwaved?
must she not have shortwaved?
must we not have shortwaved?
must you not have shortwaved?
must they not have shortwaved? 	must I not have been shortwaving?
must you not have been shortwaving?
must she not have been shortwaving?
must we not have been shortwaving?
must you not have been shortwaving?
must they not have been shortwaving?