Coniugazione del verbo inglese COULD CERTIFY

Verbo regolare: certify - certified - certified

Affermazione

Forma semplice

I could certify
you could certify
he could certify
we could certify
you could certify
they could certify

Forma con V-ing

I could be certifying
you could be certifying
he could be certifying
we could be certifying
you could be certifying
they could be certifying

Perfetto

I could have certified
you could have certified
he could have certified
we could have certified
you could have certified
they could have certified

Perfetto con V-ing

I could have been certifying
you could have been certifying
he could have been certifying
we could have been certifying
you could have been certifying
they could have been certifying

Negazione

Forma semplice

I could not certify
you could not certify
he could not certify
we could not certify
you could not certify
they could not certify

Forma con V-ing

I could not be certifying
you could not be certifying
he could not be certifying
we could not be certifying
you could not be certifying
they could not be certifying

Perfetto

I could not have certified
you could not have certified
he could not have certified
we could not have certified
you could not have certified
they could not have certified

Perfetto con V-ing

I could not have been certifying
you could not have been certifying
he could not have been certifying
we could not have been certifying
you could not have been certifying
they could not have been certifying

Forma interrogativa

Forma semplice

could I certify?
could you certify?
could he certify?
could we certify?
could you certify?
could they certify?

Forma con V-ing

could I be certifying?
could you be certifying?
could he be certifying?
could we be certifying?
could you be certifying?
could they be certifying?

Perfetto

could I have certified?
could you have certified?
could he have certified?
could we have certified?
could you have certified?
could they have certified?

Perfetto con V-ing

could I have been certifying?
could you have been certifying?
could he have been certifying?
could we have been certifying?
could you have been certifying?
could they have been certifying?

Forma interro-negativa

Forma semplice

could I not certify?
could you not certify?
could he not certify?
could we not certify?
could you not certify?
could they not certify?

Forma con V-ing

could I not be certifying?
could you not be certifying?
could he not be certifying?
could we not be certifying?
could you not be certifying?
could they not be certifying?

Perfetto

could I not have certified?
could you not have certified?
could he not have certified?
could we not have certified?
could you not have certified?
could they not have certified?

Perfetto con V-ing

could I not have been certifying?
could you not have been certifying?
could he not have been certifying?
could we not have been certifying?
could you not have been certifying?
could they not have been certifying?

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