English verb conjugation
CAN GRIPE

Regular verb: gripe - griped - griped

Affirmation

Simple form	V-ing form
I can gripe you can gripe she can gripe we can gripe you can gripe they can gripe	I can be griping you can be griping she can be griping we can be griping you can be griping they can be griping
Perfect	V-ing perfect
I can have griped you can have griped she can have griped we can have griped you can have griped they can have griped	I can have been griping you can have been griping she can have been griping we can have been griping you can have been griping they can have been griping

Negation

Simple form	V-ing form
I cannot gripe you cannot gripe she cannot gripe we cannot gripe you cannot gripe they cannot gripe	I cannot be griping you cannot be griping she cannot be griping we cannot be griping you cannot be griping they cannot be griping
Perfect	V-ing perfect
I cannot have griped you cannot have griped she cannot have griped we cannot have griped you cannot have griped they cannot have griped	I cannot have been griping you cannot have been griping she cannot have been griping we cannot have been griping you cannot have been griping they cannot have been griping

Interrogative form

Simple form	V-ing form
can I gripe? can you gripe? can she gripe? can we gripe? can you gripe? can they gripe?	can I be griping? can you be griping? can she be griping? can we be griping? can you be griping? can they be griping?
Perfect	V-ing perfect
can I have griped? can you have griped? can she have griped? can we have griped? can you have griped? can they have griped?	can I have been griping? can you have been griping? can she have been griping? can we have been griping? can you have been griping? can they have been griping?

Interro-negative form

Simple form	V-ing form
can I not gripe? can you not gripe? can she not gripe? can we not gripe? can you not gripe? can they not gripe?	can I not be griping? can you not be griping? can she not be griping? can we not be griping? can you not be griping? can they not be griping?
Perfect	V-ing perfect
can I not have griped? can you not have griped? can she not have griped? can we not have griped? can you not have griped? can they not have griped?	can I not have been griping? can you not have been griping? can she not have been griping? can we not have been griping? can you not have been griping? can they not have been griping?