Conjugación del verbo inglés
MUST DECIDE

Verbo regular: decide - decided - decided

Afirmación

Forma simple	Forma con V-ing
I must decide you must decide he must decide we must decide you must decide they must decide	I must be deciding you must be deciding he must be deciding we must be deciding you must be deciding they must be deciding
Perfecto	Perfecto con V-ing
I must have decided you must have decided he must have decided we must have decided you must have decided they must have decided	I must have been deciding you must have been deciding he must have been deciding we must have been deciding you must have been deciding they must have been deciding

Negación

Forma simple	Forma con V-ing
I mustn't decide you mustn't decide he mustn't decide we mustn't decide you mustn't decide they mustn't decide	I mustn't be deciding you mustn't be deciding he mustn't be deciding we mustn't be deciding you mustn't be deciding they mustn't be deciding
Perfecto	Perfecto con V-ing
I mustn't have decided you mustn't have decided he mustn't have decided we mustn't have decided you mustn't have decided they mustn't have decided	I mustn't have been deciding you mustn't have been deciding he mustn't have been deciding we mustn't have been deciding you mustn't have been deciding they mustn't have been deciding

Forma interrogativa

Forma simple	Forma con V-ing
must I decide? must you decide? must he decide? must we decide? must you decide? must they decide?	must I be deciding? must you be deciding? must he be deciding? must we be deciding? must you be deciding? must they be deciding?
Perfecto	Perfecto con V-ing
must I have decided? must you have decided? must he have decided? must we have decided? must you have decided? must they have decided?	must I have been deciding? must you have been deciding? must he have been deciding? must we have been deciding? must you have been deciding? must they have been deciding?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I decide? mustn't you decide? mustn't he decide? mustn't we decide? mustn't you decide? mustn't they decide?	mustn't I be deciding? mustn't you be deciding? mustn't he be deciding? mustn't we be deciding? mustn't you be deciding? mustn't they be deciding?
Perfecto	Perfecto con V-ing
mustn't I have decided? mustn't you have decided? mustn't he have decided? mustn't we have decided? mustn't you have decided? mustn't they have decided?	mustn't I have been deciding? mustn't you have been deciding? mustn't he have been deciding? mustn't we have been deciding? mustn't you have been deciding? mustn't they have been deciding?