English verb conjugation
CAN HAFT

Regular verb: haft - hafted - hafted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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