I must crop you must crop he must crop we must crop you must crop they must crop
Forma con V-ing
I must be cropping you must be cropping he must be cropping we must be cropping you must be cropping they must be cropping
Perfecto
I must have cropped you must have cropped he must have cropped we must have cropped you must have cropped they must have cropped
Perfecto con V-ing
I must have been cropping you must have been cropping he must have been cropping we must have been cropping you must have been cropping they must have been cropping
Negación
Forma simple
I must not crop you must not crop he must not crop we must not crop you must not crop they must not crop
Forma con V-ing
I must not be cropping you must not be cropping he must not be cropping we must not be cropping you must not be cropping they must not be cropping
Perfecto
I must not have cropped you must not have cropped he must not have cropped we must not have cropped you must not have cropped they must not have cropped
Perfecto con V-ing
I must not have been cropping you must not have been cropping he must not have been cropping we must not have been cropping you must not have been cropping they must not have been cropping
Forma interrogativa
Forma simple
must I crop? must you crop? must he crop? must we crop? must you crop? must they crop?
Forma con V-ing
must I be cropping? must you be cropping? must he be cropping? must we be cropping? must you be cropping? must they be cropping?
Perfecto
must I have cropped? must you have cropped? must he have cropped? must we have cropped? must you have cropped? must they have cropped?
Perfecto con V-ing
must I have been cropping? must you have been cropping? must he have been cropping? must we have been cropping? must you have been cropping? must they have been cropping?
Forma interro-negativa
Forma simple
must I not crop? must you not crop? must he not crop? must we not crop? must you not crop? must they not crop?
Forma con V-ing
must I not be cropping? must you not be cropping? must he not be cropping? must we not be cropping? must you not be cropping? must they not be cropping?
Perfecto
must I not have cropped? must you not have cropped? must he not have cropped? must we not have cropped? must you not have cropped? must they not have cropped?
Perfecto con V-ing
must I not have been cropping? must you not have been cropping? must he not have been cropping? must we not have been cropping? must you not have been cropping? must they not have been cropping?