could groove
Verbo regular: groove - grooved- grooved

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could groove
you could groove
she could groove
we could groove
you could groove
they could groove 	I could be grooving
you could be grooving
she could be grooving
we could be grooving
you could be grooving
they could be grooving	I could have grooved
you could have grooved
she 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
she could have been grooving
we could have been grooving
you could have been grooving
they could have been grooving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not groove
you could not groove
she 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
she could not be grooving
we could not be grooving
you could not be grooving
they could not be grooving	I could not have grooved
you could not have grooved
she 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
she could not have been grooving
we could not have been grooving
you could not have been grooving
they could not have been grooving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I groove?
could you groove?
could she groove?
could we groove?
could you groove?
could they groove? 	could I be grooving?
could you be grooving?
could she be grooving?
could we be grooving?
could you be grooving?
could they be grooving? 	could I have grooved?
could you have grooved?
could she 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 she have been grooving?
could we have been grooving?
could you have been grooving?
could they have been grooving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not groove?
could you not groove?
could she 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 she not be grooving?
could we not be grooving?
could you not be grooving?
could they not be grooving? 	could I not have grooved?
could you not have grooved?
could she 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 she not have been grooving?
could we not have been grooving?
could you not have been grooving?
could they not have been grooving?