English verb conjugation
COULD HAFT

Regular verb: haft - hafted - hafted

Affirmation

Simple form	V-ing form
I could haft you could haft he could haft we could haft you could haft they could haft	I could be hafting you could be hafting he 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 he 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 he 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 he 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 he 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 he 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 he 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 he haft? could we haft? could you haft? could they haft?	could I be hafting? could you be hafting? could he 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 he 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 he 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 he 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 he 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 he 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 he have been hafting? couldn't we have been hafting? couldn't you have been hafting? couldn't they have been hafting?