Conjugación del verbo inglés
MUST KEEN

Verbo regular: keen - keened - keened

Afirmación

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

Negación

Forma simple	Forma con V-ing
I mustn't keen you mustn't keen he mustn't keen we mustn't keen you mustn't keen they mustn't keen	I mustn't be keening you mustn't be keening he mustn't be keening we mustn't be keening you mustn't be keening they mustn't be keening
Perfecto	Perfecto con V-ing
I mustn't have keened you mustn't have keened he mustn't have keened we mustn't have keened you mustn't have keened they mustn't have keened	I mustn't have been keening you mustn't have been keening he mustn't have been keening we mustn't have been keening you mustn't have been keening they mustn't have been keening

Forma interrogativa

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

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I keen? mustn't you keen? mustn't he keen? mustn't we keen? mustn't you keen? mustn't they keen?	mustn't I be keening? mustn't you be keening? mustn't he be keening? mustn't we be keening? mustn't you be keening? mustn't they be keening?
Perfecto	Perfecto con V-ing
mustn't I have keened? mustn't you have keened? mustn't he have keened? mustn't we have keened? mustn't you have keened? mustn't they have keened?	mustn't I have been keening? mustn't you have been keening? mustn't he have been keening? mustn't we have been keening? mustn't you have been keening? mustn't they have been keening?