English verb conjugation
CAN GRIPE

Regular verb: gripe - griped - griped

Affirmation

Simple form	V-ing form
I can gripe you can gripe he can gripe we can gripe you can gripe they can gripe	I can be griping you can be griping he 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 he 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 he 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 can't gripe you can't gripe he can't gripe we can't gripe you can't gripe they can't gripe	I can't be griping you can't be griping he can't be griping we can't be griping you can't be griping they can't be griping
Perfect	V-ing perfect
I can't have griped you can't have griped he can't have griped we can't have griped you can't have griped they can't have griped	I can't have been griping you can't have been griping he can't have been griping we can't have been griping you can't have been griping they can't have been griping

Interrogative form

Simple form	V-ing form
can I gripe? can you gripe? can he gripe? can we gripe? can you gripe? can they gripe?	can I be griping? can you be griping? can he 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 he 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 he 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't I gripe? can't you gripe? can't he gripe? can't we gripe? can't you gripe? can't they gripe?	can't I be griping? can't you be griping? can't he be griping? can't we be griping? can't you be griping? can't they be griping?
Perfect	V-ing perfect
can't I have griped? can't you have griped? can't he have griped? can't we have griped? can't you have griped? can't they have griped?	can't I have been griping? can't you have been griping? can't he have been griping? can't we have been griping? can't you have been griping? can't they have been griping?