can shortwave
Regular verb: shortwave - shortwaved- shortwaved

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot shortwave
you cannot shortwave
he cannot shortwave
we cannot shortwave
you cannot shortwave
they cannot shortwave 	I cannot be shortwaving
you cannot be shortwaving
he cannot be shortwaving
we cannot be shortwaving
you cannot be shortwaving
they cannot be shortwaving	I cannot have shortwaved
you cannot have shortwaved
he cannot have shortwaved
we cannot have shortwaved
you cannot have shortwaved
they cannot have shortwaved	I cannot have been shortwaving
you cannot have been shortwaving
he cannot have been shortwaving
we cannot have been shortwaving
you cannot have been shortwaving
they cannot have been shortwaving	

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

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