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