I could justify you could justify he could justify we could justify you could justify they could justify
Forma con V-ing
I could be justifying you could be justifying he could be justifying we could be justifying you could be justifying they could be justifying
Perfecto
I could have justified you could have justified he could have justified we could have justified you could have justified they could have justified
Perfecto con V-ing
I could have been justifying you could have been justifying he could have been justifying we could have been justifying you could have been justifying they could have been justifying
Negación
Forma simple
I couldn't justify you couldn't justify he couldn't justify we couldn't justify you couldn't justify they couldn't justify
Forma con V-ing
I couldn't be justifying you couldn't be justifying he couldn't be justifying we couldn't be justifying you couldn't be justifying they couldn't be justifying
Perfecto
I couldn't have justified you couldn't have justified he couldn't have justified we couldn't have justified you couldn't have justified they couldn't have justified
Perfecto con V-ing
I couldn't have been justifying you couldn't have been justifying he couldn't have been justifying we couldn't have been justifying you couldn't have been justifying they couldn't have been justifying
Forma interrogativa
Forma simple
could I justify? could you justify? could he justify? could we justify? could you justify? could they justify?
Forma con V-ing
could I be justifying? could you be justifying? could he be justifying? could we be justifying? could you be justifying? could they be justifying?
Perfecto
could I have justified? could you have justified? could he have justified? could we have justified? could you have justified? could they have justified?
Perfecto con V-ing
could I have been justifying? could you have been justifying? could he have been justifying? could we have been justifying? could you have been justifying? could they have been justifying?
Forma interro-negativa
Forma simple
couldn't I justify? couldn't you justify? couldn't he justify? couldn't we justify? couldn't you justify? couldn't they justify?
Forma con V-ing
couldn't I be justifying? couldn't you be justifying? couldn't he be justifying? couldn't we be justifying? couldn't you be justifying? couldn't they be justifying?
Perfecto
couldn't I have justified? couldn't you have justified? couldn't he have justified? couldn't we have justified? couldn't you have justified? couldn't they have justified?
Perfecto con V-ing
couldn't I have been justifying? couldn't you have been justifying? couldn't he have been justifying? couldn't we have been justifying? couldn't you have been justifying? couldn't they have been justifying?