Konjugation des englischen Verbs
COULD IMPUGN

Regelmäßiges Verb: impugn - impugned - impugned

Bestätigung

Einfache Form	Form mit V-ing
I could impugn you could impugn he could impugn we could impugn you could impugn they could impugn	I could be impugning you could be impugning he could be impugning we could be impugning you could be impugning they could be impugning
Perfekt	Perfekt mit V-ing
I could have impugned you could have impugned he could have impugned we could have impugned you could have impugned they could have impugned	I could have been impugning you could have been impugning he could have been impugning we could have been impugning you could have been impugning they could have been impugning

Negation

Einfache Form	Form mit V-ing
I couldn't impugn you couldn't impugn he couldn't impugn we couldn't impugn you couldn't impugn they couldn't impugn	I couldn't be impugning you couldn't be impugning he couldn't be impugning we couldn't be impugning you couldn't be impugning they couldn't be impugning
Perfekt	Perfekt mit V-ing
I couldn't have impugned you couldn't have impugned he couldn't have impugned we couldn't have impugned you couldn't have impugned they couldn't have impugned	I couldn't have been impugning you couldn't have been impugning he couldn't have been impugning we couldn't have been impugning you couldn't have been impugning they couldn't have been impugning

Fragende Form

Einfache Form	Form mit V-ing
could I impugn? could you impugn? could he impugn? could we impugn? could you impugn? could they impugn?	could I be impugning? could you be impugning? could he be impugning? could we be impugning? could you be impugning? could they be impugning?
Perfekt	Perfekt mit V-ing
could I have impugned? could you have impugned? could he have impugned? could we have impugned? could you have impugned? could they have impugned?	could I have been impugning? could you have been impugning? could he have been impugning? could we have been impugning? could you have been impugning? could they have been impugning?

Fragende Negation Form

Einfache Form	Form mit V-ing
couldn't I impugn? couldn't you impugn? couldn't he impugn? couldn't we impugn? couldn't you impugn? couldn't they impugn?	couldn't I be impugning? couldn't you be impugning? couldn't he be impugning? couldn't we be impugning? couldn't you be impugning? couldn't they be impugning?
Perfekt	Perfekt mit V-ing
couldn't I have impugned? couldn't you have impugned? couldn't he have impugned? couldn't we have impugned? couldn't you have impugned? couldn't they have impugned?	couldn't I have been impugning? couldn't you have been impugning? couldn't he have been impugning? couldn't we have been impugning? couldn't you have been impugning? couldn't they have been impugning?