English verb conjugation
COULD BLETHER

Regular verb: blether - blethered - blethered

Affirmation

Simple form	V-ing form
I could blether you could blether he could blether we could blether you could blether they could blether	I could be blethering you could be blethering he could be blethering we could be blethering you could be blethering they could be blethering
Perfect	V-ing perfect
I could have blethered you could have blethered he could have blethered we could have blethered you could have blethered they could have blethered	I could have been blethering you could have been blethering he could have been blethering we could have been blethering you could have been blethering they could have been blethering

Negation

Simple form	V-ing form
I couldn't blether you couldn't blether he couldn't blether we couldn't blether you couldn't blether they couldn't blether	I couldn't be blethering you couldn't be blethering he couldn't be blethering we couldn't be blethering you couldn't be blethering they couldn't be blethering
Perfect	V-ing perfect
I couldn't have blethered you couldn't have blethered he couldn't have blethered we couldn't have blethered you couldn't have blethered they couldn't have blethered	I couldn't have been blethering you couldn't have been blethering he couldn't have been blethering we couldn't have been blethering you couldn't have been blethering they couldn't have been blethering

Interrogative form

Simple form	V-ing form
could I blether? could you blether? could he blether? could we blether? could you blether? could they blether?	could I be blethering? could you be blethering? could he be blethering? could we be blethering? could you be blethering? could they be blethering?
Perfect	V-ing perfect
could I have blethered? could you have blethered? could he have blethered? could we have blethered? could you have blethered? could they have blethered?	could I have been blethering? could you have been blethering? could he have been blethering? could we have been blethering? could you have been blethering? could they have been blethering?

Interro-negative form

Simple form	V-ing form
couldn't I blether? couldn't you blether? couldn't he blether? couldn't we blether? couldn't you blether? couldn't they blether?	couldn't I be blethering? couldn't you be blethering? couldn't he be blethering? couldn't we be blethering? couldn't you be blethering? couldn't they be blethering?
Perfect	V-ing perfect
couldn't I have blethered? couldn't you have blethered? couldn't he have blethered? couldn't we have blethered? couldn't you have blethered? couldn't they have blethered?	couldn't I have been blethering? couldn't you have been blethering? couldn't he have been blethering? couldn't we have been blethering? couldn't you have been blethering? couldn't they have been blethering?