Conjugación del verbo inglés
CAN KEEN

Verbo regular: keen - keened - keened

Afirmación

Forma simple	Forma con V-ing
I can keen you can keen she can keen we can keen you can keen they can keen	I can be keening you can be keening she can be keening we can be keening you can be keening they can be keening
Perfecto	Perfecto con V-ing
I can have keened you can have keened she can have keened we can have keened you can have keened they can have keened	I can have been keening you can have been keening she can have been keening we can have been keening you can have been keening they can have been keening

Negación

Forma simple	Forma con V-ing
I cannot keen you cannot keen she cannot keen we cannot keen you cannot keen they cannot keen	I cannot be keening you cannot be keening she cannot be keening we cannot be keening you cannot be keening they cannot be keening
Perfecto	Perfecto con V-ing
I cannot have keened you cannot have keened she cannot have keened we cannot have keened you cannot have keened they cannot have keened	I cannot have been keening you cannot have been keening she cannot have been keening we cannot have been keening you cannot have been keening they cannot have been keening

Forma interrogativa

Forma simple	Forma con V-ing
can I keen? can you keen? can she keen? can we keen? can you keen? can they keen?	can I be keening? can you be keening? can she be keening? can we be keening? can you be keening? can they be keening?
Perfecto	Perfecto con V-ing
can I have keened? can you have keened? can she have keened? can we have keened? can you have keened? can they have keened?	can I have been keening? can you have been keening? can she have been keening? can we have been keening? can you have been keening? can they have been keening?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not keen? can you not keen? can she not keen? can we not keen? can you not keen? can they not keen?	can I not be keening? can you not be keening? can she not be keening? can we not be keening? can you not be keening? can they not be keening?
Perfecto	Perfecto con V-ing
can I not have keened? can you not have keened? can she not have keened? can we not have keened? can you not have keened? can they not have keened?	can I not have been keening? can you not have been keening? can she not have been keening? can we not have been keening? can you not have been keening? can they not have been keening?