Conjugación del verbo inglés
MUST FUNCTION

Verbo regular: function - functioned - functioned

Afirmación

Forma simple	Forma con V-ing
I must function you must function she must function we must function you must function they must function	I must be functioning you must be functioning she must be functioning we must be functioning you must be functioning they must be functioning
Perfecto	Perfecto con V-ing
I must have functioned you must have functioned she must have functioned we must have functioned you must have functioned they must have functioned	I must have been functioning you must have been functioning she must have been functioning we must have been functioning you must have been functioning they must have been functioning

Negación

Forma simple	Forma con V-ing
I must not function you must not function she must not function we must not function you must not function they must not function	I must not be functioning you must not be functioning she must not be functioning we must not be functioning you must not be functioning they must not be functioning
Perfecto	Perfecto con V-ing
I must not have functioned you must not have functioned she must not have functioned we must not have functioned you must not have functioned they must not have functioned	I must not have been functioning you must not have been functioning she must not have been functioning we must not have been functioning you must not have been functioning they must not have been functioning

Forma interrogativa

Forma simple	Forma con V-ing
must I function? must you function? must she function? must we function? must you function? must they function?	must I be functioning? must you be functioning? must she be functioning? must we be functioning? must you be functioning? must they be functioning?
Perfecto	Perfecto con V-ing
must I have functioned? must you have functioned? must she have functioned? must we have functioned? must you have functioned? must they have functioned?	must I have been functioning? must you have been functioning? must she have been functioning? must we have been functioning? must you have been functioning? must they have been functioning?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not function? must you not function? must she not function? must we not function? must you not function? must they not function?	must I not be functioning? must you not be functioning? must she not be functioning? must we not be functioning? must you not be functioning? must they not be functioning?
Perfecto	Perfecto con V-ing
must I not have functioned? must you not have functioned? must she not have functioned? must we not have functioned? must you not have functioned? must they not have functioned?	must I not have been functioning? must you not have been functioning? must she not have been functioning? must we not have been functioning? must you not have been functioning? must they not have been functioning?