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 can't whale you can't whale he can't whale we can't whale you can't whale they can't whale	I can't be whaling you can't be whaling he can't be whaling we can't be whaling you can't be whaling they can't be whaling
Perfect	V-ing perfect
I can't have whaled you can't have whaled he can't have whaled we can't have whaled you can't have whaled they can't have whaled	I can't have been whaling you can't have been whaling he can't have been whaling we can't have been whaling you can't have been whaling they can't 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't I whale? can't you whale? can't he whale? can't we whale? can't you whale? can't they whale?	can't I be whaling? can't you be whaling? can't he be whaling? can't we be whaling? can't you be whaling? can't they be whaling?
Perfect	V-ing perfect
can't I have whaled? can't you have whaled? can't he have whaled? can't we have whaled? can't you have whaled? can't they have whaled?	can't I have been whaling? can't you have been whaling? can't he have been whaling? can't we have been whaling? can't you have been whaling? can't they have been whaling?