Conjugación del verbo inglés
MUST SCREAM

Verbo regular: scream - screamed - screamed

Afirmación

Forma simple	Forma con V-ing
I must scream you must scream she must scream we must scream you must scream they must scream	I must be screaming you must be screaming she must be screaming we must be screaming you must be screaming they must be screaming
Perfecto	Perfecto con V-ing
I must have screamed you must have screamed she must have screamed we must have screamed you must have screamed they must have screamed	I must have been screaming you must have been screaming she must have been screaming we must have been screaming you must have been screaming they must have been screaming

Negación

Forma simple	Forma con V-ing
I must not scream you must not scream she must not scream we must not scream you must not scream they must not scream	I must not be screaming you must not be screaming she must not be screaming we must not be screaming you must not be screaming they must not be screaming
Perfecto	Perfecto con V-ing
I must not have screamed you must not have screamed she must not have screamed we must not have screamed you must not have screamed they must not have screamed	I must not have been screaming you must not have been screaming she must not have been screaming we must not have been screaming you must not have been screaming they must not have been screaming

Forma interrogativa

Forma simple	Forma con V-ing
must I scream? must you scream? must she scream? must we scream? must you scream? must they scream?	must I be screaming? must you be screaming? must she be screaming? must we be screaming? must you be screaming? must they be screaming?
Perfecto	Perfecto con V-ing
must I have screamed? must you have screamed? must she have screamed? must we have screamed? must you have screamed? must they have screamed?	must I have been screaming? must you have been screaming? must she have been screaming? must we have been screaming? must you have been screaming? must they have been screaming?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not scream? must you not scream? must she not scream? must we not scream? must you not scream? must they not scream?	must I not be screaming? must you not be screaming? must she not be screaming? must we not be screaming? must you not be screaming? must they not be screaming?
Perfecto	Perfecto con V-ing
must I not have screamed? must you not have screamed? must she not have screamed? must we not have screamed? must you not have screamed? must they not have screamed?	must I not have been screaming? must you not have been screaming? must she not have been screaming? must we not have been screaming? must you not have been screaming? must they not have been screaming?