English verb conjugation
CAN DISK

Regular verb: disk - disked - disked

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I cannot disk you cannot disk he cannot disk we cannot disk you cannot disk they cannot disk	I cannot be disking you cannot be disking he cannot be disking we cannot be disking you cannot be disking they cannot be disking
Perfect	V-ing perfect
I cannot have disked you cannot have disked he cannot have disked we cannot have disked you cannot have disked they cannot have disked	I cannot have been disking you cannot have been disking he cannot have been disking we cannot have been disking you cannot have been disking they cannot have been disking

Interrogative form

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