Conjugación del verbo inglés
MUST PRESURVEY

Verbo regular: presurvey - presurveyed - presurveyed

Afirmación

Forma simple	Forma con V-ing
I must presurvey you must presurvey he must presurvey we must presurvey you must presurvey they must presurvey	I must be presurveying you must be presurveying he must be presurveying we must be presurveying you must be presurveying they must be presurveying
Perfecto	Perfecto con V-ing
I must have presurveyed you must have presurveyed he must have presurveyed we must have presurveyed you must have presurveyed they must have presurveyed	I must have been presurveying you must have been presurveying he must have been presurveying we must have been presurveying you must have been presurveying they must have been presurveying

Negación

Forma simple	Forma con V-ing
I must not presurvey you must not presurvey he must not presurvey we must not presurvey you must not presurvey they must not presurvey	I must not be presurveying you must not be presurveying he must not be presurveying we must not be presurveying you must not be presurveying they must not be presurveying
Perfecto	Perfecto con V-ing
I must not have presurveyed you must not have presurveyed he must not have presurveyed we must not have presurveyed you must not have presurveyed they must not have presurveyed	I must not have been presurveying you must not have been presurveying he must not have been presurveying we must not have been presurveying you must not have been presurveying they must not have been presurveying

Forma interrogativa

Forma simple	Forma con V-ing
must I presurvey? must you presurvey? must he presurvey? must we presurvey? must you presurvey? must they presurvey?	must I be presurveying? must you be presurveying? must he be presurveying? must we be presurveying? must you be presurveying? must they be presurveying?
Perfecto	Perfecto con V-ing
must I have presurveyed? must you have presurveyed? must he have presurveyed? must we have presurveyed? must you have presurveyed? must they have presurveyed?	must I have been presurveying? must you have been presurveying? must he have been presurveying? must we have been presurveying? must you have been presurveying? must they have been presurveying?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not presurvey? must you not presurvey? must he not presurvey? must we not presurvey? must you not presurvey? must they not presurvey?	must I not be presurveying? must you not be presurveying? must he not be presurveying? must we not be presurveying? must you not be presurveying? must they not be presurveying?
Perfecto	Perfecto con V-ing
must I not have presurveyed? must you not have presurveyed? must he not have presurveyed? must we not have presurveyed? must you not have presurveyed? must they not have presurveyed?	must I not have been presurveying? must you not have been presurveying? must he not have been presurveying? must we not have been presurveying? must you not have been presurveying? must they not have been presurveying?