Conjugación del verbo inglés COULD CERTIFICATE
Verbo regular: certificate - certificated - certificated
Afirmación
Forma simple
I could certificateyou could certificate
he could certificate
we could certificate
you could certificate
they could certificate
Forma con V-ing
I could be certificatingyou could be certificating
he could be certificating
we could be certificating
you could be certificating
they could be certificating
Perfecto
I could have certificatedyou could have certificated
he could have certificated
we could have certificated
you could have certificated
they could have certificated
Perfecto con V-ing
I could have been certificatingyou could have been certificating
he could have been certificating
we could have been certificating
you could have been certificating
they could have been certificating
Negación
Forma simple
I couldn't certificateyou couldn't certificate
he couldn't certificate
we couldn't certificate
you couldn't certificate
they couldn't certificate
Forma con V-ing
I couldn't be certificatingyou couldn't be certificating
he couldn't be certificating
we couldn't be certificating
you couldn't be certificating
they couldn't be certificating
Perfecto
I couldn't have certificatedyou couldn't have certificated
he couldn't have certificated
we couldn't have certificated
you couldn't have certificated
they couldn't have certificated
Perfecto con V-ing
I couldn't have been certificatingyou couldn't have been certificating
he couldn't have been certificating
we couldn't have been certificating
you couldn't have been certificating
they couldn't have been certificating
Forma interrogativa
Forma simple
could I certificate?could you certificate?
could he certificate?
could we certificate?
could you certificate?
could they certificate?
Forma con V-ing
could I be certificating?could you be certificating?
could he be certificating?
could we be certificating?
could you be certificating?
could they be certificating?
Perfecto
could I have certificated?could you have certificated?
could he have certificated?
could we have certificated?
could you have certificated?
could they have certificated?
Perfecto con V-ing
could I have been certificating?could you have been certificating?
could he have been certificating?
could we have been certificating?
could you have been certificating?
could they have been certificating?
Forma interro-negativa
Forma simple
couldn't I certificate?couldn't you certificate?
couldn't he certificate?
couldn't we certificate?
couldn't you certificate?
couldn't they certificate?
Forma con V-ing
couldn't I be certificating?couldn't you be certificating?
couldn't he be certificating?
couldn't we be certificating?
couldn't you be certificating?
couldn't they be certificating?
Perfecto
couldn't I have certificated?couldn't you have certificated?
couldn't he have certificated?
couldn't we have certificated?
couldn't you have certificated?
couldn't they have certificated?
Perfecto con V-ing
couldn't I have been certificating?couldn't you have been certificating?
couldn't he have been certificating?
couldn't we have been certificating?
couldn't you have been certificating?
couldn't they have been certificating?