English verb conjugation
COULD OFF

Regular verb: off - offed - offed

Affirmation

Simple form	V-ing form
I could off you could off she could off we could off you could off they could off	I could be offing you could be offing she could be offing we could be offing you could be offing they could be offing
Perfect	V-ing perfect
I could have offed you could have offed she could have offed we could have offed you could have offed they could have offed	I could have been offing you could have been offing she could have been offing we could have been offing you could have been offing they could have been offing

Negation

Simple form	V-ing form
I couldn't off you couldn't off she couldn't off we couldn't off you couldn't off they couldn't off	I couldn't be offing you couldn't be offing she couldn't be offing we couldn't be offing you couldn't be offing they couldn't be offing
Perfect	V-ing perfect
I couldn't have offed you couldn't have offed she couldn't have offed we couldn't have offed you couldn't have offed they couldn't have offed	I couldn't have been offing you couldn't have been offing she couldn't have been offing we couldn't have been offing you couldn't have been offing they couldn't have been offing

Interrogative form

Simple form	V-ing form
could I off? could you off? could she off? could we off? could you off? could they off?	could I be offing? could you be offing? could she be offing? could we be offing? could you be offing? could they be offing?
Perfect	V-ing perfect
could I have offed? could you have offed? could she have offed? could we have offed? could you have offed? could they have offed?	could I have been offing? could you have been offing? could she have been offing? could we have been offing? could you have been offing? could they have been offing?

Interro-negative form

Simple form	V-ing form
couldn't I off? couldn't you off? couldn't she off? couldn't we off? couldn't you off? couldn't they off?	couldn't I be offing? couldn't you be offing? couldn't she be offing? couldn't we be offing? couldn't you be offing? couldn't they be offing?
Perfect	V-ing perfect
couldn't I have offed? couldn't you have offed? couldn't she have offed? couldn't we have offed? couldn't you have offed? couldn't they have offed?	couldn't I have been offing? couldn't you have been offing? couldn't she have been offing? couldn't we have been offing? couldn't you have been offing? couldn't they have been offing?