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 could not haft you could not haft she could not haft we could not haft you could not haft they could not haft	I could not be hafting you could not be hafting she could not be hafting we could not be hafting you could not be hafting they could not be hafting
Perfect	V-ing perfect
I could not have hafted you could not have hafted she could not have hafted we could not have hafted you could not have hafted they could not have hafted	I could not have been hafting you could not have been hafting she could not have been hafting we could not have been hafting you could not have been hafting they could not 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
could I not haft? could you not haft? could she not haft? could we not haft? could you not haft? could they not haft?	could I not be hafting? could you not be hafting? could she not be hafting? could we not be hafting? could you not be hafting? could they not be hafting?
Perfect	V-ing perfect
could I not have hafted? could you not have hafted? could she not have hafted? could we not have hafted? could you not have hafted? could they not have hafted?	could I not have been hafting? could you not have been hafting? could she not have been hafting? could we not have been hafting? could you not have been hafting? could they not have been hafting?