Coniugazione del verbo inglese COULD PREASCERTAIN
Verbo regolare: preascertain - preascertained - preascertained
Affermazione
Forma semplice
I could preascertainyou could preascertain
she could preascertain
we could preascertain
you could preascertain
they could preascertain
Forma con V-ing
I could be preascertainingyou could be preascertaining
she could be preascertaining
we could be preascertaining
you could be preascertaining
they could be preascertaining
Perfetto
I could have preascertainedyou could have preascertained
she could have preascertained
we could have preascertained
you could have preascertained
they could have preascertained
Perfetto con V-ing
I could have been preascertainingyou could have been preascertaining
she could have been preascertaining
we could have been preascertaining
you could have been preascertaining
they could have been preascertaining
Negazione
Forma semplice
I could not preascertainyou could not preascertain
she could not preascertain
we could not preascertain
you could not preascertain
they could not preascertain
Forma con V-ing
I could not be preascertainingyou could not be preascertaining
she could not be preascertaining
we could not be preascertaining
you could not be preascertaining
they could not be preascertaining
Perfetto
I could not have preascertainedyou could not have preascertained
she could not have preascertained
we could not have preascertained
you could not have preascertained
they could not have preascertained
Perfetto con V-ing
I could not have been preascertainingyou could not have been preascertaining
she could not have been preascertaining
we could not have been preascertaining
you could not have been preascertaining
they could not have been preascertaining
Forma interrogativa
Forma semplice
could I preascertain?could you preascertain?
could she preascertain?
could we preascertain?
could you preascertain?
could they preascertain?
Forma con V-ing
could I be preascertaining?could you be preascertaining?
could she be preascertaining?
could we be preascertaining?
could you be preascertaining?
could they be preascertaining?
Perfetto
could I have preascertained?could you have preascertained?
could she have preascertained?
could we have preascertained?
could you have preascertained?
could they have preascertained?
Perfetto con V-ing
could I have been preascertaining?could you have been preascertaining?
could she have been preascertaining?
could we have been preascertaining?
could you have been preascertaining?
could they have been preascertaining?
Forma interro-negativa
Forma semplice
could I not preascertain?could you not preascertain?
could she not preascertain?
could we not preascertain?
could you not preascertain?
could they not preascertain?
Forma con V-ing
could I not be preascertaining?could you not be preascertaining?
could she not be preascertaining?
could we not be preascertaining?
could you not be preascertaining?
could they not be preascertaining?
Perfetto
could I not have preascertained?could you not have preascertained?
could she not have preascertained?
could we not have preascertained?
could you not have preascertained?
could they not have preascertained?
Perfetto con V-ing
could I not have been preascertaining?could you not have been preascertaining?
could she not have been preascertaining?
could we not have been preascertaining?
could you not have been preascertaining?
could they not have been preascertaining?