English verb conjugation
COULD GRIPE

Regular verb: gripe - griped - griped

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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