I must crook you must crook he must crook we must crook you must crook they must crook
Forma con V-ing
I must be crooking you must be crooking he must be crooking we must be crooking you must be crooking they must be crooking
Perfecto
I must have crooked you must have crooked he must have crooked we must have crooked you must have crooked they must have crooked
Perfecto con V-ing
I must have been crooking you must have been crooking he must have been crooking we must have been crooking you must have been crooking they must have been crooking
Negación
Forma simple
I must not crook you must not crook he must not crook we must not crook you must not crook they must not crook
Forma con V-ing
I must not be crooking you must not be crooking he must not be crooking we must not be crooking you must not be crooking they must not be crooking
Perfecto
I must not have crooked you must not have crooked he must not have crooked we must not have crooked you must not have crooked they must not have crooked
Perfecto con V-ing
I must not have been crooking you must not have been crooking he must not have been crooking we must not have been crooking you must not have been crooking they must not have been crooking
Forma interrogativa
Forma simple
must I crook? must you crook? must he crook? must we crook? must you crook? must they crook?
Forma con V-ing
must I be crooking? must you be crooking? must he be crooking? must we be crooking? must you be crooking? must they be crooking?
Perfecto
must I have crooked? must you have crooked? must he have crooked? must we have crooked? must you have crooked? must they have crooked?
Perfecto con V-ing
must I have been crooking? must you have been crooking? must he have been crooking? must we have been crooking? must you have been crooking? must they have been crooking?
Forma interro-negativa
Forma simple
must I not crook? must you not crook? must he not crook? must we not crook? must you not crook? must they not crook?
Forma con V-ing
must I not be crooking? must you not be crooking? must he not be crooking? must we not be crooking? must you not be crooking? must they not be crooking?
Perfecto
must I not have crooked? must you not have crooked? must he not have crooked? must we not have crooked? must you not have crooked? must they not have crooked?
Perfecto con V-ing
must I not have been crooking? must you not have been crooking? must he not have been crooking? must we not have been crooking? must you not have been crooking? must they not have been crooking?