Konjugation des englischen Verbs
COULD RIFF

Regelmäßiges Verb: riff - riffed - riffed

Bestätigung

Einfache Form	Form mit V-ing
I could riff you could riff she could riff we could riff you could riff they could riff	I could be riffing you could be riffing she could be riffing we could be riffing you could be riffing they could be riffing
Perfekt	Perfekt mit V-ing
I could have riffed you could have riffed she could have riffed we could have riffed you could have riffed they could have riffed	I could have been riffing you could have been riffing she could have been riffing we could have been riffing you could have been riffing they could have been riffing

Negation

Einfache Form	Form mit V-ing
I couldn't riff you couldn't riff she couldn't riff we couldn't riff you couldn't riff they couldn't riff	I couldn't be riffing you couldn't be riffing she couldn't be riffing we couldn't be riffing you couldn't be riffing they couldn't be riffing
Perfekt	Perfekt mit V-ing
I couldn't have riffed you couldn't have riffed she couldn't have riffed we couldn't have riffed you couldn't have riffed they couldn't have riffed	I couldn't have been riffing you couldn't have been riffing she couldn't have been riffing we couldn't have been riffing you couldn't have been riffing they couldn't have been riffing

Fragende Form

Einfache Form	Form mit V-ing
could I riff? could you riff? could she riff? could we riff? could you riff? could they riff?	could I be riffing? could you be riffing? could she be riffing? could we be riffing? could you be riffing? could they be riffing?
Perfekt	Perfekt mit V-ing
could I have riffed? could you have riffed? could she have riffed? could we have riffed? could you have riffed? could they have riffed?	could I have been riffing? could you have been riffing? could she have been riffing? could we have been riffing? could you have been riffing? could they have been riffing?

Fragende Negation Form

Einfache Form	Form mit V-ing
couldn't I riff? couldn't you riff? couldn't she riff? couldn't we riff? couldn't you riff? couldn't they riff?	couldn't I be riffing? couldn't you be riffing? couldn't she be riffing? couldn't we be riffing? couldn't you be riffing? couldn't they be riffing?
Perfekt	Perfekt mit V-ing
couldn't I have riffed? couldn't you have riffed? couldn't she have riffed? couldn't we have riffed? couldn't you have riffed? couldn't they have riffed?	couldn't I have been riffing? couldn't you have been riffing? couldn't she have been riffing? couldn't we have been riffing? couldn't you have been riffing? couldn't they have been riffing?