I must shade you must shade she must shade we must shade you must shade they must shade
Forma con V-ing
I must be shading you must be shading she must be shading we must be shading you must be shading they must be shading
Perfecto
I must have shaded you must have shaded she must have shaded we must have shaded you must have shaded they must have shaded
Perfecto con V-ing
I must have been shading you must have been shading she must have been shading we must have been shading you must have been shading they must have been shading
Negación
Forma simple
I must not shade you must not shade she must not shade we must not shade you must not shade they must not shade
Forma con V-ing
I must not be shading you must not be shading she must not be shading we must not be shading you must not be shading they must not be shading
Perfecto
I must not have shaded you must not have shaded she must not have shaded we must not have shaded you must not have shaded they must not have shaded
Perfecto con V-ing
I must not have been shading you must not have been shading she must not have been shading we must not have been shading you must not have been shading they must not have been shading
Forma interrogativa
Forma simple
must I shade? must you shade? must she shade? must we shade? must you shade? must they shade?
Forma con V-ing
must I be shading? must you be shading? must she be shading? must we be shading? must you be shading? must they be shading?
Perfecto
must I have shaded? must you have shaded? must she have shaded? must we have shaded? must you have shaded? must they have shaded?
Perfecto con V-ing
must I have been shading? must you have been shading? must she have been shading? must we have been shading? must you have been shading? must they have been shading?
Forma interro-negativa
Forma simple
must I not shade? must you not shade? must she not shade? must we not shade? must you not shade? must they not shade?
Forma con V-ing
must I not be shading? must you not be shading? must she not be shading? must we not be shading? must you not be shading? must they not be shading?
Perfecto
must I not have shaded? must you not have shaded? must she not have shaded? must we not have shaded? must you not have shaded? must they not have shaded?
Perfecto con V-ing
must I not have been shading? must you not have been shading? must she not have been shading? must we not have been shading? must you not have been shading? must they not have been shading?