can wave
Regular verb: wave - waved- waved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can wave
you can wave
he can wave
we can wave
you can wave
they can wave 	I can be waving
you can be waving
he can be waving
we can be waving
you can be waving
they can be waving	I can have waved
you can have waved
he can have waved
we can have waved
you can have waved
they can have waved	I can have been waving
you can have been waving
he can have been waving
we can have been waving
you can have been waving
they can have been waving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot wave
you cannot wave
he cannot wave
we cannot wave
you cannot wave
they cannot wave 	I cannot be waving
you cannot be waving
he cannot be waving
we cannot be waving
you cannot be waving
they cannot be waving	I cannot have waved
you cannot have waved
he cannot have waved
we cannot have waved
you cannot have waved
they cannot have waved	I cannot have been waving
you cannot have been waving
he cannot have been waving
we cannot have been waving
you cannot have been waving
they cannot have been waving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I wave?
can you wave?
can he wave?
can we wave?
can you wave?
can they wave? 	can I be waving?
can you be waving?
can he be waving?
can we be waving?
can you be waving?
can they be waving? 	can I have waved?
can you have waved?
can he have waved?
can we have waved?
can you have waved?
can they have waved? 	can I have been waving?
can you have been waving?
can he have been waving?
can we have been waving?
can you have been waving?
can they have been waving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not wave?
can you not wave?
can he not wave?
can we not wave?
can you not wave?
can they not wave? 	can I not be waving?
can you not be waving?
can he not be waving?
can we not be waving?
can you not be waving?
can they not be waving? 	can I not have waved?
can you not have waved?
can he not have waved?
can we not have waved?
can you not have waved?
can they not have waved? 	can I not have been waving?
can you not have been waving?
can he not have been waving?
can we not have been waving?
can you not have been waving?
can they not have been waving?