English verb conjugation
COULD GROOVE

Regular verb: groove - grooved - grooved

Affirmation

Simple form	V-ing form
I could groove you could groove he could groove we could groove you could groove they could groove	I could be grooving you could be grooving he could be grooving we could be grooving you could be grooving they could be grooving
Perfect	V-ing perfect
I could have grooved you could have grooved he could have grooved we could have grooved you could have grooved they could have grooved	I could have been grooving you could have been grooving he could have been grooving we could have been grooving you could have been grooving they could have been grooving

Negation

Simple form	V-ing form
I could not groove you could not groove he could not groove we could not groove you could not groove they could not groove	I could not be grooving you could not be grooving he could not be grooving we could not be grooving you could not be grooving they could not be grooving
Perfect	V-ing perfect
I could not have grooved you could not have grooved he could not have grooved we could not have grooved you could not have grooved they could not have grooved	I could not have been grooving you could not have been grooving he could not have been grooving we could not have been grooving you could not have been grooving they could not have been grooving

Interrogative form

Simple form	V-ing form
could I groove? could you groove? could he groove? could we groove? could you groove? could they groove?	could I be grooving? could you be grooving? could he be grooving? could we be grooving? could you be grooving? could they be grooving?
Perfect	V-ing perfect
could I have grooved? could you have grooved? could he have grooved? could we have grooved? could you have grooved? could they have grooved?	could I have been grooving? could you have been grooving? could he have been grooving? could we have been grooving? could you have been grooving? could they have been grooving?

Interro-negative form

Simple form	V-ing form
could I not groove? could you not groove? could he not groove? could we not groove? could you not groove? could they not groove?	could I not be grooving? could you not be grooving? could he not be grooving? could we not be grooving? could you not be grooving? could they not be grooving?
Perfect	V-ing perfect
could I not have grooved? could you not have grooved? could he not have grooved? could we not have grooved? could you not have grooved? could they not have grooved?	could I not have been grooving? could you not have been grooving? could he not have been grooving? could we not have been grooving? could you not have been grooving? could they not have been grooving?