English verb conjugation
CAN WHALE

Regular verb: whale - whaled - whaled

Affirmation

Simple form	V-ing form
I can whale you can whale he can whale we can whale you can whale they can whale	I can be whaling you can be whaling he can be whaling we can be whaling you can be whaling they can be whaling
Perfect	V-ing perfect
I can have whaled you can have whaled he can have whaled we can have whaled you can have whaled they can have whaled	I can have been whaling you can have been whaling he can have been whaling we can have been whaling you can have been whaling they can have been whaling

Negation

Simple form	V-ing form
I cannot whale you cannot whale he cannot whale we cannot whale you cannot whale they cannot whale	I cannot be whaling you cannot be whaling he cannot be whaling we cannot be whaling you cannot be whaling they cannot be whaling
Perfect	V-ing perfect
I cannot have whaled you cannot have whaled he cannot have whaled we cannot have whaled you cannot have whaled they cannot have whaled	I cannot have been whaling you cannot have been whaling he cannot have been whaling we cannot have been whaling you cannot have been whaling they cannot have been whaling

Interrogative form

Simple form	V-ing form
can I whale? can you whale? can he whale? can we whale? can you whale? can they whale?	can I be whaling? can you be whaling? can he be whaling? can we be whaling? can you be whaling? can they be whaling?
Perfect	V-ing perfect
can I have whaled? can you have whaled? can he have whaled? can we have whaled? can you have whaled? can they have whaled?	can I have been whaling? can you have been whaling? can he have been whaling? can we have been whaling? can you have been whaling? can they have been whaling?

Interro-negative form

Simple form	V-ing form
can I not whale? can you not whale? can he not whale? can we not whale? can you not whale? can they not whale?	can I not be whaling? can you not be whaling? can he not be whaling? can we not be whaling? can you not be whaling? can they not be whaling?
Perfect	V-ing perfect
can I not have whaled? can you not have whaled? can he not have whaled? can we not have whaled? can you not have whaled? can they not have whaled?	can I not have been whaling? can you not have been whaling? can he not have been whaling? can we not have been whaling? can you not have been whaling? can they not have been whaling?