Conjugación del verbo inglés
MUST UPTURN

Verbo regular: upturn - upturned - upturned

Afirmación

Forma simple	Forma con V-ing
I must upturn you must upturn he must upturn we must upturn you must upturn they must upturn	I must be upturning you must be upturning he must be upturning we must be upturning you must be upturning they must be upturning
Perfecto	Perfecto con V-ing
I must have upturned you must have upturned he must have upturned we must have upturned you must have upturned they must have upturned	I must have been upturning you must have been upturning he must have been upturning we must have been upturning you must have been upturning they must have been upturning

Negación

Forma simple	Forma con V-ing
I mustn't upturn you mustn't upturn he mustn't upturn we mustn't upturn you mustn't upturn they mustn't upturn	I mustn't be upturning you mustn't be upturning he mustn't be upturning we mustn't be upturning you mustn't be upturning they mustn't be upturning
Perfecto	Perfecto con V-ing
I mustn't have upturned you mustn't have upturned he mustn't have upturned we mustn't have upturned you mustn't have upturned they mustn't have upturned	I mustn't have been upturning you mustn't have been upturning he mustn't have been upturning we mustn't have been upturning you mustn't have been upturning they mustn't have been upturning

Forma interrogativa

Forma simple	Forma con V-ing
must I upturn? must you upturn? must he upturn? must we upturn? must you upturn? must they upturn?	must I be upturning? must you be upturning? must he be upturning? must we be upturning? must you be upturning? must they be upturning?
Perfecto	Perfecto con V-ing
must I have upturned? must you have upturned? must he have upturned? must we have upturned? must you have upturned? must they have upturned?	must I have been upturning? must you have been upturning? must he have been upturning? must we have been upturning? must you have been upturning? must they have been upturning?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I upturn? mustn't you upturn? mustn't he upturn? mustn't we upturn? mustn't you upturn? mustn't they upturn?	mustn't I be upturning? mustn't you be upturning? mustn't he be upturning? mustn't we be upturning? mustn't you be upturning? mustn't they be upturning?
Perfecto	Perfecto con V-ing
mustn't I have upturned? mustn't you have upturned? mustn't he have upturned? mustn't we have upturned? mustn't you have upturned? mustn't they have upturned?	mustn't I have been upturning? mustn't you have been upturning? mustn't he have been upturning? mustn't we have been upturning? mustn't you have been upturning? mustn't they have been upturning?