can disk
Regular verb: disk - disked- disked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can disk
you can disk
he can disk
we can disk
you can disk
they can disk 	I can be disking
you can be disking
he can be disking
we can be disking
you can be disking
they can be disking	I can have disked
you can have disked
he can have disked
we can have disked
you can have disked
they can have disked	I can have been disking
you can have been disking
he can have been disking
we can have been disking
you can have been disking
they can have been disking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't disk
you can't disk
he can't disk
we can't disk
you can't disk
they can't disk 	I can't be disking
you can't be disking
he can't be disking
we can't be disking
you can't be disking
they can't be disking	I can't have disked
you can't have disked
he can't have disked
we can't have disked
you can't have disked
they can't have disked	I can't have been disking
you can't have been disking
he can't have been disking
we can't have been disking
you can't have been disking
they can't have been disking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I disk?
can you disk?
can he disk?
can we disk?
can you disk?
can they disk? 	can I be disking?
can you be disking?
can he be disking?
can we be disking?
can you be disking?
can they be disking? 	can I have disked?
can you have disked?
can he have disked?
can we have disked?
can you have disked?
can they have disked? 	can I have been disking?
can you have been disking?
can he have been disking?
can we have been disking?
can you have been disking?
can they have been disking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I disk?
can't you disk?
can't he disk?
can't we disk?
can't you disk?
can't they disk? 	can't I be disking?
can't you be disking?
can't he be disking?
can't we be disking?
can't you be disking?
can't they be disking? 	can't I have disked?
can't you have disked?
can't he have disked?
can't we have disked?
can't you have disked?
can't they have disked? 	can't I have been disking?
can't you have been disking?
can't he have been disking?
can't we have been disking?
can't you have been disking?
can't they have been disking?