Conjugação do verbo inglês
COULD INITIAL

Verbo regular: initial - initialed - initialed

Afirmação

Forma simple	Forma com V-ing
I could initial you could initial he could initial we could initial you could initial they could initial	I could be initialing you could be initialing he could be initialing we could be initialing you could be initialing they could be initialing
Perfeito	Perfeito com V-ing
I could have initialed you could have initialed he could have initialed we could have initialed you could have initialed they could have initialed	I could have been initialing you could have been initialing he could have been initialing we could have been initialing you could have been initialing they could have been initialing

Negação

Forma simple	Forma com V-ing
I couldn't initial you couldn't initial he couldn't initial we couldn't initial you couldn't initial they couldn't initial	I couldn't be initialing you couldn't be initialing he couldn't be initialing we couldn't be initialing you couldn't be initialing they couldn't be initialing
Perfeito	Perfeito com V-ing
I couldn't have initialed you couldn't have initialed he couldn't have initialed we couldn't have initialed you couldn't have initialed they couldn't have initialed	I couldn't have been initialing you couldn't have been initialing he couldn't have been initialing we couldn't have been initialing you couldn't have been initialing they couldn't have been initialing

Forma interrogativa

Forma simple	Forma com V-ing
could I initial? could you initial? could he initial? could we initial? could you initial? could they initial?	could I be initialing? could you be initialing? could he be initialing? could we be initialing? could you be initialing? could they be initialing?
Perfeito	Perfeito com V-ing
could I have initialed? could you have initialed? could he have initialed? could we have initialed? could you have initialed? could they have initialed?	could I have been initialing? could you have been initialing? could he have been initialing? could we have been initialing? could you have been initialing? could they have been initialing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I initial? couldn't you initial? couldn't he initial? couldn't we initial? couldn't you initial? couldn't they initial?	couldn't I be initialing? couldn't you be initialing? couldn't he be initialing? couldn't we be initialing? couldn't you be initialing? couldn't they be initialing?
Perfeito	Perfeito com V-ing
couldn't I have initialed? couldn't you have initialed? couldn't he have initialed? couldn't we have initialed? couldn't you have initialed? couldn't they have initialed?	couldn't I have been initialing? couldn't you have been initialing? couldn't he have been initialing? couldn't we have been initialing? couldn't you have been initialing? couldn't they have been initialing?