English verb conjugation
CAN KEEN KEEN

Regular verb: keen keen - keen keened - keen keened

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I can keen keen you can keen keen he can keen keen we can keen keen you can keen keen they can keen keen	I can be keen keening you can be keen keening he can be keen keening we can be keen keening you can be keen keening they can be keen keening
Perfect	V-ing perfect
I can have keen keened you can have keen keened he can have keen keened we can have keen keened you can have keen keened they can have keen keened	I can have been keen keening you can have been keen keening he can have been keen keening we can have been keen keening you can have been keen keening they can have been keen keening

Negation

Simple form	V-ing form
I can't keen keen you can't keen keen he can't keen keen we can't keen keen you can't keen keen they can't keen keen	I can't be keen keening you can't be keen keening he can't be keen keening we can't be keen keening you can't be keen keening they can't be keen keening
Perfect	V-ing perfect
I can't have keen keened you can't have keen keened he can't have keen keened we can't have keen keened you can't have keen keened they can't have keen keened	I can't have been keen keening you can't have been keen keening he can't have been keen keening we can't have been keen keening you can't have been keen keening they can't have been keen keening

Interrogative form

Simple form	V-ing form
can I keen keen? can you keen keen? can he keen keen? can we keen keen? can you keen keen? can they keen keen?	can I be keen keening? can you be keen keening? can he be keen keening? can we be keen keening? can you be keen keening? can they be keen keening?
Perfect	V-ing perfect
can I have keen keened? can you have keen keened? can he have keen keened? can we have keen keened? can you have keen keened? can they have keen keened?	can I have been keen keening? can you have been keen keening? can he have been keen keening? can we have been keen keening? can you have been keen keening? can they have been keen keening?

Interro-negative form

Simple form	V-ing form
can't I keen keen? can't you keen keen? can't he keen keen? can't we keen keen? can't you keen keen? can't they keen keen?	can't I be keen keening? can't you be keen keening? can't he be keen keening? can't we be keen keening? can't you be keen keening? can't they be keen keening?
Perfect	V-ing perfect
can't I have keen keened? can't you have keen keened? can't he have keen keened? can't we have keen keened? can't you have keen keened? can't they have keen keened?	can't I have been keen keening? can't you have been keen keening? can't he have been keen keening? can't we have been keen keening? can't you have been keen keening? can't they have been keen keening?