English verb conjugation
CAN UNKNOT

Regular verb: unknot - unknotted - unknotted

Affirmation

Simple form	V-ing form
I can unknot you can unknot he can unknot we can unknot you can unknot they can unknot	I can be unknotting you can be unknotting he can be unknotting we can be unknotting you can be unknotting they can be unknotting
Perfect	V-ing perfect
I can have unknotted you can have unknotted he can have unknotted we can have unknotted you can have unknotted they can have unknotted	I can have been unknotting you can have been unknotting he can have been unknotting we can have been unknotting you can have been unknotting they can have been unknotting

Negation

Simple form	V-ing form
I can't unknot you can't unknot he can't unknot we can't unknot you can't unknot they can't unknot	I can't be unknotting you can't be unknotting he can't be unknotting we can't be unknotting you can't be unknotting they can't be unknotting
Perfect	V-ing perfect
I can't have unknotted you can't have unknotted he can't have unknotted we can't have unknotted you can't have unknotted they can't have unknotted	I can't have been unknotting you can't have been unknotting he can't have been unknotting we can't have been unknotting you can't have been unknotting they can't have been unknotting

Interrogative form

Simple form	V-ing form
can I unknot? can you unknot? can he unknot? can we unknot? can you unknot? can they unknot?	can I be unknotting? can you be unknotting? can he be unknotting? can we be unknotting? can you be unknotting? can they be unknotting?
Perfect	V-ing perfect
can I have unknotted? can you have unknotted? can he have unknotted? can we have unknotted? can you have unknotted? can they have unknotted?	can I have been unknotting? can you have been unknotting? can he have been unknotting? can we have been unknotting? can you have been unknotting? can they have been unknotting?

Interro-negative form

Simple form	V-ing form
can't I unknot? can't you unknot? can't he unknot? can't we unknot? can't you unknot? can't they unknot?	can't I be unknotting? can't you be unknotting? can't he be unknotting? can't we be unknotting? can't you be unknotting? can't they be unknotting?
Perfect	V-ing perfect
can't I have unknotted? can't you have unknotted? can't he have unknotted? can't we have unknotted? can't you have unknotted? can't they have unknotted?	can't I have been unknotting? can't you have been unknotting? can't he have been unknotting? can't we have been unknotting? can't you have been unknotting? can't they have been unknotting?