Konjugation des englischen Verbs COULD ASCERTAIN

Regelmäßiges Verb: ascertain - ascertained - ascertained

Bestätigung

Einfache Form

I could ascertain
you could ascertain
he could ascertain
we could ascertain
you could ascertain
they could ascertain

Form mit V-ing

I could be ascertaining
you could be ascertaining
he could be ascertaining
we could be ascertaining
you could be ascertaining
they could be ascertaining

Perfekt

I could have ascertained
you could have ascertained
he could have ascertained
we could have ascertained
you could have ascertained
they could have ascertained

Perfekt mit V-ing

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

Negation

Einfache Form

I couldn't ascertain
you couldn't ascertain
he couldn't ascertain
we couldn't ascertain
you couldn't ascertain
they couldn't ascertain

Form mit V-ing

I couldn't be ascertaining
you couldn't be ascertaining
he couldn't be ascertaining
we couldn't be ascertaining
you couldn't be ascertaining
they couldn't be ascertaining

Perfekt

I couldn't have ascertained
you couldn't have ascertained
he couldn't have ascertained
we couldn't have ascertained
you couldn't have ascertained
they couldn't have ascertained

Perfekt mit V-ing

I couldn't have been ascertaining
you couldn't have been ascertaining
he couldn't have been ascertaining
we couldn't have been ascertaining
you couldn't have been ascertaining
they couldn't have been ascertaining

Fragende Form

Einfache Form

could I ascertain?
could you ascertain?
could he ascertain?
could we ascertain?
could you ascertain?
could they ascertain?

Form mit V-ing

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

Perfekt

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

Perfekt mit V-ing

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

Fragende Negation Form

Einfache Form

couldn't I ascertain?
couldn't you ascertain?
couldn't he ascertain?
couldn't we ascertain?
couldn't you ascertain?
couldn't they ascertain?

Form mit V-ing

couldn't I be ascertaining?
couldn't you be ascertaining?
couldn't he be ascertaining?
couldn't we be ascertaining?
couldn't you be ascertaining?
couldn't they be ascertaining?

Perfekt

couldn't I have ascertained?
couldn't you have ascertained?
couldn't he have ascertained?
couldn't we have ascertained?
couldn't you have ascertained?
couldn't they have ascertained?

Perfekt mit V-ing

couldn't I have been ascertaining?
couldn't you have been ascertaining?
couldn't he have been ascertaining?
couldn't we have been ascertaining?
couldn't you have been ascertaining?
couldn't they have been ascertaining?

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