Conjugação do verbo inglês
MUST PREEXIST

Verbo regular: preexist - preexisted - preexisted

Afirmação

Forma simple	Forma com V-ing
I must preexist you must preexist he must preexist we must preexist you must preexist they must preexist	I must be preexisting you must be preexisting he must be preexisting we must be preexisting you must be preexisting they must be preexisting
Perfeito	Perfeito com V-ing
I must have preexisted you must have preexisted he must have preexisted we must have preexisted you must have preexisted they must have preexisted	I must have been preexisting you must have been preexisting he must have been preexisting we must have been preexisting you must have been preexisting they must have been preexisting

Negação

Forma simple	Forma com V-ing
I mustn't preexist you mustn't preexist he mustn't preexist we mustn't preexist you mustn't preexist they mustn't preexist	I mustn't be preexisting you mustn't be preexisting he mustn't be preexisting we mustn't be preexisting you mustn't be preexisting they mustn't be preexisting
Perfeito	Perfeito com V-ing
I mustn't have preexisted you mustn't have preexisted he mustn't have preexisted we mustn't have preexisted you mustn't have preexisted they mustn't have preexisted	I mustn't have been preexisting you mustn't have been preexisting he mustn't have been preexisting we mustn't have been preexisting you mustn't have been preexisting they mustn't have been preexisting

Forma interrogativa

Forma simple	Forma com V-ing
must I preexist? must you preexist? must he preexist? must we preexist? must you preexist? must they preexist?	must I be preexisting? must you be preexisting? must he be preexisting? must we be preexisting? must you be preexisting? must they be preexisting?
Perfeito	Perfeito com V-ing
must I have preexisted? must you have preexisted? must he have preexisted? must we have preexisted? must you have preexisted? must they have preexisted?	must I have been preexisting? must you have been preexisting? must he have been preexisting? must we have been preexisting? must you have been preexisting? must they have been preexisting?

Forma interro-Negação

Forma simple	Forma com V-ing
mustn't I preexist? mustn't you preexist? mustn't he preexist? mustn't we preexist? mustn't you preexist? mustn't they preexist?	mustn't I be preexisting? mustn't you be preexisting? mustn't he be preexisting? mustn't we be preexisting? mustn't you be preexisting? mustn't they be preexisting?
Perfeito	Perfeito com V-ing
mustn't I have preexisted? mustn't you have preexisted? mustn't he have preexisted? mustn't we have preexisted? mustn't you have preexisted? mustn't they have preexisted?	mustn't I have been preexisting? mustn't you have been preexisting? mustn't he have been preexisting? mustn't we have been preexisting? mustn't you have been preexisting? mustn't they have been preexisting?