Konjugation des englischen Verbs
COULD FRET

Regelmäßiges Verb: fret - fretted - fretted

Bestätigung

Einfache Form	Form mit V-ing
I could fret you could fret she could fret we could fret you could fret they could fret	I could be fretting you could be fretting she could be fretting we could be fretting you could be fretting they could be fretting
Perfekt	Perfekt mit V-ing
I could have fretted you could have fretted she could have fretted we could have fretted you could have fretted they could have fretted	I could have been fretting you could have been fretting she could have been fretting we could have been fretting you could have been fretting they could have been fretting

Negation

Einfache Form	Form mit V-ing
I could not fret you could not fret she could not fret we could not fret you could not fret they could not fret	I could not be fretting you could not be fretting she could not be fretting we could not be fretting you could not be fretting they could not be fretting
Perfekt	Perfekt mit V-ing
I could not have fretted you could not have fretted she could not have fretted we could not have fretted you could not have fretted they could not have fretted	I could not have been fretting you could not have been fretting she could not have been fretting we could not have been fretting you could not have been fretting they could not have been fretting

Fragende Form

Einfache Form	Form mit V-ing
could I fret? could you fret? could she fret? could we fret? could you fret? could they fret?	could I be fretting? could you be fretting? could she be fretting? could we be fretting? could you be fretting? could they be fretting?
Perfekt	Perfekt mit V-ing
could I have fretted? could you have fretted? could she have fretted? could we have fretted? could you have fretted? could they have fretted?	could I have been fretting? could you have been fretting? could she have been fretting? could we have been fretting? could you have been fretting? could they have been fretting?

Fragende Negation Form

Einfache Form	Form mit V-ing
could I not fret? could you not fret? could she not fret? could we not fret? could you not fret? could they not fret?	could I not be fretting? could you not be fretting? could she not be fretting? could we not be fretting? could you not be fretting? could they not be fretting?
Perfekt	Perfekt mit V-ing
could I not have fretted? could you not have fretted? could she not have fretted? could we not have fretted? could you not have fretted? could they not have fretted?	could I not have been fretting? could you not have been fretting? could she not have been fretting? could we not have been fretting? could you not have been fretting? could they not have been fretting?