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