English verb conjugation
COULD CHAFFER

Regular verb: chaffer - chaffered - chaffered

Affirmation

Simple form	V-ing form
I could chaffer you could chaffer he could chaffer we could chaffer you could chaffer they could chaffer	I could be chaffering you could be chaffering he could be chaffering we could be chaffering you could be chaffering they could be chaffering
Perfect	V-ing perfect
I could have chaffered you could have chaffered he could have chaffered we could have chaffered you could have chaffered they could have chaffered	I could have been chaffering you could have been chaffering he could have been chaffering we could have been chaffering you could have been chaffering they could have been chaffering

Negation

Simple form	V-ing form
I couldn't chaffer you couldn't chaffer he couldn't chaffer we couldn't chaffer you couldn't chaffer they couldn't chaffer	I couldn't be chaffering you couldn't be chaffering he couldn't be chaffering we couldn't be chaffering you couldn't be chaffering they couldn't be chaffering
Perfect	V-ing perfect
I couldn't have chaffered you couldn't have chaffered he couldn't have chaffered we couldn't have chaffered you couldn't have chaffered they couldn't have chaffered	I couldn't have been chaffering you couldn't have been chaffering he couldn't have been chaffering we couldn't have been chaffering you couldn't have been chaffering they couldn't have been chaffering

Interrogative form

Simple form	V-ing form
could I chaffer? could you chaffer? could he chaffer? could we chaffer? could you chaffer? could they chaffer?	could I be chaffering? could you be chaffering? could he be chaffering? could we be chaffering? could you be chaffering? could they be chaffering?
Perfect	V-ing perfect
could I have chaffered? could you have chaffered? could he have chaffered? could we have chaffered? could you have chaffered? could they have chaffered?	could I have been chaffering? could you have been chaffering? could he have been chaffering? could we have been chaffering? could you have been chaffering? could they have been chaffering?

Interro-negative form

Simple form	V-ing form
couldn't I chaffer? couldn't you chaffer? couldn't he chaffer? couldn't we chaffer? couldn't you chaffer? couldn't they chaffer?	couldn't I be chaffering? couldn't you be chaffering? couldn't he be chaffering? couldn't we be chaffering? couldn't you be chaffering? couldn't they be chaffering?
Perfect	V-ing perfect
couldn't I have chaffered? couldn't you have chaffered? couldn't he have chaffered? couldn't we have chaffered? couldn't you have chaffered? couldn't they have chaffered?	couldn't I have been chaffering? couldn't you have been chaffering? couldn't he have been chaffering? couldn't we have been chaffering? couldn't you have been chaffering? couldn't they have been chaffering?