English verb conjugation
CAN WHELP

Regular verb: whelp - whelped - whelped

Affirmation

Simple form	V-ing form
I can whelp you can whelp she can whelp we can whelp you can whelp they can whelp	I can be whelping you can be whelping she can be whelping we can be whelping you can be whelping they can be whelping
Perfect	V-ing perfect
I can have whelped you can have whelped she can have whelped we can have whelped you can have whelped they can have whelped	I can have been whelping you can have been whelping she can have been whelping we can have been whelping you can have been whelping they can have been whelping

Negation

Simple form	V-ing form
I cannot whelp you cannot whelp she cannot whelp we cannot whelp you cannot whelp they cannot whelp	I cannot be whelping you cannot be whelping she cannot be whelping we cannot be whelping you cannot be whelping they cannot be whelping
Perfect	V-ing perfect
I cannot have whelped you cannot have whelped she cannot have whelped we cannot have whelped you cannot have whelped they cannot have whelped	I cannot have been whelping you cannot have been whelping she cannot have been whelping we cannot have been whelping you cannot have been whelping they cannot have been whelping

Interrogative form

Simple form	V-ing form
can I whelp? can you whelp? can she whelp? can we whelp? can you whelp? can they whelp?	can I be whelping? can you be whelping? can she be whelping? can we be whelping? can you be whelping? can they be whelping?
Perfect	V-ing perfect
can I have whelped? can you have whelped? can she have whelped? can we have whelped? can you have whelped? can they have whelped?	can I have been whelping? can you have been whelping? can she have been whelping? can we have been whelping? can you have been whelping? can they have been whelping?

Interro-negative form

Simple form	V-ing form
can I not whelp? can you not whelp? can she not whelp? can we not whelp? can you not whelp? can they not whelp?	can I not be whelping? can you not be whelping? can she not be whelping? can we not be whelping? can you not be whelping? can they not be whelping?
Perfect	V-ing perfect
can I not have whelped? can you not have whelped? can she not have whelped? can we not have whelped? can you not have whelped? can they not have whelped?	can I not have been whelping? can you not have been whelping? can she not have been whelping? can we not have been whelping? can you not have been whelping? can they not have been whelping?