Conjugação do verbo inglês
COULD PREASSIGN

Verbo regular: preassign - preassigned - preassigned

Afirmação

Forma simple	Forma com V-ing
I could preassign you could preassign he could preassign we could preassign you could preassign they could preassign	I could be preassigning you could be preassigning he could be preassigning we could be preassigning you could be preassigning they could be preassigning
Perfeito	Perfeito com V-ing
I could have preassigned you could have preassigned he could have preassigned we could have preassigned you could have preassigned they could have preassigned	I could have been preassigning you could have been preassigning he could have been preassigning we could have been preassigning you could have been preassigning they could have been preassigning

Negação

Forma simple	Forma com V-ing
I couldn't preassign you couldn't preassign he couldn't preassign we couldn't preassign you couldn't preassign they couldn't preassign	I couldn't be preassigning you couldn't be preassigning he couldn't be preassigning we couldn't be preassigning you couldn't be preassigning they couldn't be preassigning
Perfeito	Perfeito com V-ing
I couldn't have preassigned you couldn't have preassigned he couldn't have preassigned we couldn't have preassigned you couldn't have preassigned they couldn't have preassigned	I couldn't have been preassigning you couldn't have been preassigning he couldn't have been preassigning we couldn't have been preassigning you couldn't have been preassigning they couldn't have been preassigning

Forma interrogativa

Forma simple	Forma com V-ing
could I preassign? could you preassign? could he preassign? could we preassign? could you preassign? could they preassign?	could I be preassigning? could you be preassigning? could he be preassigning? could we be preassigning? could you be preassigning? could they be preassigning?
Perfeito	Perfeito com V-ing
could I have preassigned? could you have preassigned? could he have preassigned? could we have preassigned? could you have preassigned? could they have preassigned?	could I have been preassigning? could you have been preassigning? could he have been preassigning? could we have been preassigning? could you have been preassigning? could they have been preassigning?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I preassign? couldn't you preassign? couldn't he preassign? couldn't we preassign? couldn't you preassign? couldn't they preassign?	couldn't I be preassigning? couldn't you be preassigning? couldn't he be preassigning? couldn't we be preassigning? couldn't you be preassigning? couldn't they be preassigning?
Perfeito	Perfeito com V-ing
couldn't I have preassigned? couldn't you have preassigned? couldn't he have preassigned? couldn't we have preassigned? couldn't you have preassigned? couldn't they have preassigned?	couldn't I have been preassigning? couldn't you have been preassigning? couldn't he have been preassigning? couldn't we have been preassigning? couldn't you have been preassigning? couldn't they have been preassigning?