English verb conjugation
COULD CORNE

Regular verb: corne - corned - corned

Affirmation

Simple form	V-ing form
I could corne you could corne he could corne we could corne you could corne they could corne	I could be corning you could be corning he could be corning we could be corning you could be corning they could be corning
Perfect	V-ing perfect
I could have corned you could have corned he could have corned we could have corned you could have corned they could have corned	I could have been corning you could have been corning he could have been corning we could have been corning you could have been corning they could have been corning

Negation

Simple form	V-ing form
I couldn't corne you couldn't corne he couldn't corne we couldn't corne you couldn't corne they couldn't corne	I couldn't be corning you couldn't be corning he couldn't be corning we couldn't be corning you couldn't be corning they couldn't be corning
Perfect	V-ing perfect
I couldn't have corned you couldn't have corned he couldn't have corned we couldn't have corned you couldn't have corned they couldn't have corned	I couldn't have been corning you couldn't have been corning he couldn't have been corning we couldn't have been corning you couldn't have been corning they couldn't have been corning

Interrogative form

Simple form	V-ing form
could I corne? could you corne? could he corne? could we corne? could you corne? could they corne?	could I be corning? could you be corning? could he be corning? could we be corning? could you be corning? could they be corning?
Perfect	V-ing perfect
could I have corned? could you have corned? could he have corned? could we have corned? could you have corned? could they have corned?	could I have been corning? could you have been corning? could he have been corning? could we have been corning? could you have been corning? could they have been corning?

Interro-negative form

Simple form	V-ing form
couldn't I corne? couldn't you corne? couldn't he corne? couldn't we corne? couldn't you corne? couldn't they corne?	couldn't I be corning? couldn't you be corning? couldn't he be corning? couldn't we be corning? couldn't you be corning? couldn't they be corning?
Perfect	V-ing perfect
couldn't I have corned? couldn't you have corned? couldn't he have corned? couldn't we have corned? couldn't you have corned? couldn't they have corned?	couldn't I have been corning? couldn't you have been corning? couldn't he have been corning? couldn't we have been corning? couldn't you have been corning? couldn't they have been corning?