Conjugación del verbo inglés
MUST PREFAB

Verbo regular: prefab - prefabed - prefabed

Afirmación

Forma simple	Forma con V-ing
I must prefab you must prefab he must prefab we must prefab you must prefab they must prefab	I must be prefabing you must be prefabing he must be prefabing we must be prefabing you must be prefabing they must be prefabing
Perfecto	Perfecto con V-ing
I must have prefabed you must have prefabed he must have prefabed we must have prefabed you must have prefabed they must have prefabed	I must have been prefabing you must have been prefabing he must have been prefabing we must have been prefabing you must have been prefabing they must have been prefabing

Negación

Forma simple	Forma con V-ing
I must not prefab you must not prefab he must not prefab we must not prefab you must not prefab they must not prefab	I must not be prefabing you must not be prefabing he must not be prefabing we must not be prefabing you must not be prefabing they must not be prefabing
Perfecto	Perfecto con V-ing
I must not have prefabed you must not have prefabed he must not have prefabed we must not have prefabed you must not have prefabed they must not have prefabed	I must not have been prefabing you must not have been prefabing he must not have been prefabing we must not have been prefabing you must not have been prefabing they must not have been prefabing

Forma interrogativa

Forma simple	Forma con V-ing
must I prefab? must you prefab? must he prefab? must we prefab? must you prefab? must they prefab?	must I be prefabing? must you be prefabing? must he be prefabing? must we be prefabing? must you be prefabing? must they be prefabing?
Perfecto	Perfecto con V-ing
must I have prefabed? must you have prefabed? must he have prefabed? must we have prefabed? must you have prefabed? must they have prefabed?	must I have been prefabing? must you have been prefabing? must he have been prefabing? must we have been prefabing? must you have been prefabing? must they have been prefabing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not prefab? must you not prefab? must he not prefab? must we not prefab? must you not prefab? must they not prefab?	must I not be prefabing? must you not be prefabing? must he not be prefabing? must we not be prefabing? must you not be prefabing? must they not be prefabing?
Perfecto	Perfecto con V-ing
must I not have prefabed? must you not have prefabed? must he not have prefabed? must we not have prefabed? must you not have prefabed? must they not have prefabed?	must I not have been prefabing? must you not have been prefabing? must he not have been prefabing? must we not have been prefabing? must you not have been prefabing? must they not have been prefabing?