English verb conjugation
CAN IMPALE

Regular verb: impale - impaled - impaled

Affirmation

Simple form	V-ing form
I can impale you can impale he can impale we can impale you can impale they can impale	I can be impaling you can be impaling he can be impaling we can be impaling you can be impaling they can be impaling
Perfect	V-ing perfect
I can have impaled you can have impaled he can have impaled we can have impaled you can have impaled they can have impaled	I can have been impaling you can have been impaling he can have been impaling we can have been impaling you can have been impaling they can have been impaling

Negation

Simple form	V-ing form
I cannot impale you cannot impale he cannot impale we cannot impale you cannot impale they cannot impale	I cannot be impaling you cannot be impaling he cannot be impaling we cannot be impaling you cannot be impaling they cannot be impaling
Perfect	V-ing perfect
I cannot have impaled you cannot have impaled he cannot have impaled we cannot have impaled you cannot have impaled they cannot have impaled	I cannot have been impaling you cannot have been impaling he cannot have been impaling we cannot have been impaling you cannot have been impaling they cannot have been impaling

Interrogative form

Simple form	V-ing form
can I impale? can you impale? can he impale? can we impale? can you impale? can they impale?	can I be impaling? can you be impaling? can he be impaling? can we be impaling? can you be impaling? can they be impaling?
Perfect	V-ing perfect
can I have impaled? can you have impaled? can he have impaled? can we have impaled? can you have impaled? can they have impaled?	can I have been impaling? can you have been impaling? can he have been impaling? can we have been impaling? can you have been impaling? can they have been impaling?

Interro-negative form

Simple form	V-ing form
can I not impale? can you not impale? can he not impale? can we not impale? can you not impale? can they not impale?	can I not be impaling? can you not be impaling? can he not be impaling? can we not be impaling? can you not be impaling? can they not be impaling?
Perfect	V-ing perfect
can I not have impaled? can you not have impaled? can he not have impaled? can we not have impaled? can you not have impaled? can they not have impaled?	can I not have been impaling? can you not have been impaling? can he not have been impaling? can we not have been impaling? can you not have been impaling? can they not have been impaling?