Conjugación del verbo inglés
MUST AUTHOR

Verbo regular: author - authored - authored

Afirmación

Forma simple	Forma con V-ing
I must author you must author she must author we must author you must author they must author	I must be authoring you must be authoring she must be authoring we must be authoring you must be authoring they must be authoring
Perfecto	Perfecto con V-ing
I must have authored you must have authored she must have authored we must have authored you must have authored they must have authored	I must have been authoring you must have been authoring she must have been authoring we must have been authoring you must have been authoring they must have been authoring

Negación

Forma simple	Forma con V-ing
I must not author you must not author she must not author we must not author you must not author they must not author	I must not be authoring you must not be authoring she must not be authoring we must not be authoring you must not be authoring they must not be authoring
Perfecto	Perfecto con V-ing
I must not have authored you must not have authored she must not have authored we must not have authored you must not have authored they must not have authored	I must not have been authoring you must not have been authoring she must not have been authoring we must not have been authoring you must not have been authoring they must not have been authoring

Forma interrogativa

Forma simple	Forma con V-ing
must I author? must you author? must she author? must we author? must you author? must they author?	must I be authoring? must you be authoring? must she be authoring? must we be authoring? must you be authoring? must they be authoring?
Perfecto	Perfecto con V-ing
must I have authored? must you have authored? must she have authored? must we have authored? must you have authored? must they have authored?	must I have been authoring? must you have been authoring? must she have been authoring? must we have been authoring? must you have been authoring? must they have been authoring?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not author? must you not author? must she not author? must we not author? must you not author? must they not author?	must I not be authoring? must you not be authoring? must she not be authoring? must we not be authoring? must you not be authoring? must they not be authoring?
Perfecto	Perfecto con V-ing
must I not have authored? must you not have authored? must she not have authored? must we not have authored? must you not have authored? must they not have authored?	must I not have been authoring? must you not have been authoring? must she not have been authoring? must we not have been authoring? must you not have been authoring? must they not have been authoring?