English verb conjugation
COULD BLABBER

Regular verb: blabber - blabbered - blabbered

Affirmation

Simple form	V-ing form
I could blabber you could blabber he could blabber we could blabber you could blabber they could blabber	I could be blabbering you could be blabbering he could be blabbering we could be blabbering you could be blabbering they could be blabbering
Perfect	V-ing perfect
I could have blabbered you could have blabbered he could have blabbered we could have blabbered you could have blabbered they could have blabbered	I could have been blabbering you could have been blabbering he could have been blabbering we could have been blabbering you could have been blabbering they could have been blabbering

Negation

Simple form	V-ing form
I couldn't blabber you couldn't blabber he couldn't blabber we couldn't blabber you couldn't blabber they couldn't blabber	I couldn't be blabbering you couldn't be blabbering he couldn't be blabbering we couldn't be blabbering you couldn't be blabbering they couldn't be blabbering
Perfect	V-ing perfect
I couldn't have blabbered you couldn't have blabbered he couldn't have blabbered we couldn't have blabbered you couldn't have blabbered they couldn't have blabbered	I couldn't have been blabbering you couldn't have been blabbering he couldn't have been blabbering we couldn't have been blabbering you couldn't have been blabbering they couldn't have been blabbering

Interrogative form

Simple form	V-ing form
could I blabber? could you blabber? could he blabber? could we blabber? could you blabber? could they blabber?	could I be blabbering? could you be blabbering? could he be blabbering? could we be blabbering? could you be blabbering? could they be blabbering?
Perfect	V-ing perfect
could I have blabbered? could you have blabbered? could he have blabbered? could we have blabbered? could you have blabbered? could they have blabbered?	could I have been blabbering? could you have been blabbering? could he have been blabbering? could we have been blabbering? could you have been blabbering? could they have been blabbering?

Interro-negative form

Simple form	V-ing form
couldn't I blabber? couldn't you blabber? couldn't he blabber? couldn't we blabber? couldn't you blabber? couldn't they blabber?	couldn't I be blabbering? couldn't you be blabbering? couldn't he be blabbering? couldn't we be blabbering? couldn't you be blabbering? couldn't they be blabbering?
Perfect	V-ing perfect
couldn't I have blabbered? couldn't you have blabbered? couldn't he have blabbered? couldn't we have blabbered? couldn't you have blabbered? couldn't they have blabbered?	couldn't I have been blabbering? couldn't you have been blabbering? couldn't he have been blabbering? couldn't we have been blabbering? couldn't you have been blabbering? couldn't they have been blabbering?