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