English verb conjugation
CAN SUBTOTAL

Regular verb: subtotal - subtotaled - subtotaled

Affirmation

Simple form	V-ing form
I can subtotal you can subtotal she can subtotal we can subtotal you can subtotal they can subtotal	I can be subtotaling you can be subtotaling she can be subtotaling we can be subtotaling you can be subtotaling they can be subtotaling
Perfect	V-ing perfect
I can have subtotaled you can have subtotaled she can have subtotaled we can have subtotaled you can have subtotaled they can have subtotaled	I can have been subtotaling you can have been subtotaling she can have been subtotaling we can have been subtotaling you can have been subtotaling they can have been subtotaling

Negation

Simple form	V-ing form
I cannot subtotal you cannot subtotal she cannot subtotal we cannot subtotal you cannot subtotal they cannot subtotal	I cannot be subtotaling you cannot be subtotaling she cannot be subtotaling we cannot be subtotaling you cannot be subtotaling they cannot be subtotaling
Perfect	V-ing perfect
I cannot have subtotaled you cannot have subtotaled she cannot have subtotaled we cannot have subtotaled you cannot have subtotaled they cannot have subtotaled	I cannot have been subtotaling you cannot have been subtotaling she cannot have been subtotaling we cannot have been subtotaling you cannot have been subtotaling they cannot have been subtotaling

Interrogative form

Simple form	V-ing form
can I subtotal? can you subtotal? can she subtotal? can we subtotal? can you subtotal? can they subtotal?	can I be subtotaling? can you be subtotaling? can she be subtotaling? can we be subtotaling? can you be subtotaling? can they be subtotaling?
Perfect	V-ing perfect
can I have subtotaled? can you have subtotaled? can she have subtotaled? can we have subtotaled? can you have subtotaled? can they have subtotaled?	can I have been subtotaling? can you have been subtotaling? can she have been subtotaling? can we have been subtotaling? can you have been subtotaling? can they have been subtotaling?

Interro-negative form

Simple form	V-ing form
can I not subtotal? can you not subtotal? can she not subtotal? can we not subtotal? can you not subtotal? can they not subtotal?	can I not be subtotaling? can you not be subtotaling? can she not be subtotaling? can we not be subtotaling? can you not be subtotaling? can they not be subtotaling?
Perfect	V-ing perfect
can I not have subtotaled? can you not have subtotaled? can she not have subtotaled? can we not have subtotaled? can you not have subtotaled? can they not have subtotaled?	can I not have been subtotaling? can you not have been subtotaling? can she not have been subtotaling? can we not have been subtotaling? can you not have been subtotaling? can they not have been subtotaling?