Conjugación del verbo inglés
MUST SICKEN

Verbo regular: sicken - sickened - sickened

Afirmación

Forma simple	Forma con V-ing
I must sicken you must sicken he must sicken we must sicken you must sicken they must sicken	I must be sickening you must be sickening he must be sickening we must be sickening you must be sickening they must be sickening
Perfecto	Perfecto con V-ing
I must have sickened you must have sickened he must have sickened we must have sickened you must have sickened they must have sickened	I must have been sickening you must have been sickening he must have been sickening we must have been sickening you must have been sickening they must have been sickening

Negación

Forma simple	Forma con V-ing
I must not sicken you must not sicken he must not sicken we must not sicken you must not sicken they must not sicken	I must not be sickening you must not be sickening he must not be sickening we must not be sickening you must not be sickening they must not be sickening
Perfecto	Perfecto con V-ing
I must not have sickened you must not have sickened he must not have sickened we must not have sickened you must not have sickened they must not have sickened	I must not have been sickening you must not have been sickening he must not have been sickening we must not have been sickening you must not have been sickening they must not have been sickening

Forma interrogativa

Forma simple	Forma con V-ing
must I sicken? must you sicken? must he sicken? must we sicken? must you sicken? must they sicken?	must I be sickening? must you be sickening? must he be sickening? must we be sickening? must you be sickening? must they be sickening?
Perfecto	Perfecto con V-ing
must I have sickened? must you have sickened? must he have sickened? must we have sickened? must you have sickened? must they have sickened?	must I have been sickening? must you have been sickening? must he have been sickening? must we have been sickening? must you have been sickening? must they have been sickening?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not sicken? must you not sicken? must he not sicken? must we not sicken? must you not sicken? must they not sicken?	must I not be sickening? must you not be sickening? must he not be sickening? must we not be sickening? must you not be sickening? must they not be sickening?
Perfecto	Perfecto con V-ing
must I not have sickened? must you not have sickened? must he not have sickened? must we not have sickened? must you not have sickened? must they not have sickened?	must I not have been sickening? must you not have been sickening? must he not have been sickening? must we not have been sickening? must you not have been sickening? must they not have been sickening?