English verb conjugation
COULD HAFT

Regular verb: haft - hafted - hafted

Affirmation

Simple form	V-ing form
I could haft you could haft she could haft we could haft you could haft they could haft	I could be hafting you could be hafting she could be hafting we could be hafting you could be hafting they could be hafting
Perfect	V-ing perfect
I could have hafted you could have hafted she could have hafted we could have hafted you could have hafted they could have hafted	I could have been hafting you could have been hafting she could have been hafting we could have been hafting you could have been hafting they could have been hafting

Negation

Simple form	V-ing form
I couldn't haft you couldn't haft she couldn't haft we couldn't haft you couldn't haft they couldn't haft	I couldn't be hafting you couldn't be hafting she couldn't be hafting we couldn't be hafting you couldn't be hafting they couldn't be hafting
Perfect	V-ing perfect
I couldn't have hafted you couldn't have hafted she couldn't have hafted we couldn't have hafted you couldn't have hafted they couldn't have hafted	I couldn't have been hafting you couldn't have been hafting she couldn't have been hafting we couldn't have been hafting you couldn't have been hafting they couldn't have been hafting

Interrogative form

Simple form	V-ing form
could I haft? could you haft? could she haft? could we haft? could you haft? could they haft?	could I be hafting? could you be hafting? could she be hafting? could we be hafting? could you be hafting? could they be hafting?
Perfect	V-ing perfect
could I have hafted? could you have hafted? could she have hafted? could we have hafted? could you have hafted? could they have hafted?	could I have been hafting? could you have been hafting? could she have been hafting? could we have been hafting? could you have been hafting? could they have been hafting?

Interro-negative form

Simple form	V-ing form
couldn't I haft? couldn't you haft? couldn't she haft? couldn't we haft? couldn't you haft? couldn't they haft?	couldn't I be hafting? couldn't you be hafting? couldn't she be hafting? couldn't we be hafting? couldn't you be hafting? couldn't they be hafting?
Perfect	V-ing perfect
couldn't I have hafted? couldn't you have hafted? couldn't she have hafted? couldn't we have hafted? couldn't you have hafted? couldn't they have hafted?	couldn't I have been hafting? couldn't you have been hafting? couldn't she have been hafting? couldn't we have been hafting? couldn't you have been hafting? couldn't they have been hafting?