I must aerate you must aerate he must aerate we must aerate you must aerate they must aerate
Forma con V-ing
I must be aerating you must be aerating he must be aerating we must be aerating you must be aerating they must be aerating
Perfecto
I must have aerated you must have aerated he must have aerated we must have aerated you must have aerated they must have aerated
Perfecto con V-ing
I must have been aerating you must have been aerating he must have been aerating we must have been aerating you must have been aerating they must have been aerating
Negación
Forma simple
I must not aerate you must not aerate he must not aerate we must not aerate you must not aerate they must not aerate
Forma con V-ing
I must not be aerating you must not be aerating he must not be aerating we must not be aerating you must not be aerating they must not be aerating
Perfecto
I must not have aerated you must not have aerated he must not have aerated we must not have aerated you must not have aerated they must not have aerated
Perfecto con V-ing
I must not have been aerating you must not have been aerating he must not have been aerating we must not have been aerating you must not have been aerating they must not have been aerating
Forma interrogativa
Forma simple
must I aerate? must you aerate? must he aerate? must we aerate? must you aerate? must they aerate?
Forma con V-ing
must I be aerating? must you be aerating? must he be aerating? must we be aerating? must you be aerating? must they be aerating?
Perfecto
must I have aerated? must you have aerated? must he have aerated? must we have aerated? must you have aerated? must they have aerated?
Perfecto con V-ing
must I have been aerating? must you have been aerating? must he have been aerating? must we have been aerating? must you have been aerating? must they have been aerating?
Forma interro-negativa
Forma simple
must I not aerate? must you not aerate? must he not aerate? must we not aerate? must you not aerate? must they not aerate?
Forma con V-ing
must I not be aerating? must you not be aerating? must he not be aerating? must we not be aerating? must you not be aerating? must they not be aerating?
Perfecto
must I not have aerated? must you not have aerated? must he not have aerated? must we not have aerated? must you not have aerated? must they not have aerated?
Perfecto con V-ing
must I not have been aerating? must you not have been aerating? must he not have been aerating? must we not have been aerating? must you not have been aerating? must they not have been aerating?