Conjugação do verbo inglês
COULD CAMPAIGN

Verbo regular: campaign - campaigned - campaigned

Afirmação

Forma simple	Forma com V-ing
I could campaign you could campaign he could campaign we could campaign you could campaign they could campaign	I could be campaigning you could be campaigning he could be campaigning we could be campaigning you could be campaigning they could be campaigning
Perfeito	Perfeito com V-ing
I could have campaigned you could have campaigned he could have campaigned we could have campaigned you could have campaigned they could have campaigned	I could have been campaigning you could have been campaigning he could have been campaigning we could have been campaigning you could have been campaigning they could have been campaigning

Negação

Forma simple	Forma com V-ing
I couldn't campaign you couldn't campaign he couldn't campaign we couldn't campaign you couldn't campaign they couldn't campaign	I couldn't be campaigning you couldn't be campaigning he couldn't be campaigning we couldn't be campaigning you couldn't be campaigning they couldn't be campaigning
Perfeito	Perfeito com V-ing
I couldn't have campaigned you couldn't have campaigned he couldn't have campaigned we couldn't have campaigned you couldn't have campaigned they couldn't have campaigned	I couldn't have been campaigning you couldn't have been campaigning he couldn't have been campaigning we couldn't have been campaigning you couldn't have been campaigning they couldn't have been campaigning

Forma interrogativa

Forma simple	Forma com V-ing
could I campaign? could you campaign? could he campaign? could we campaign? could you campaign? could they campaign?	could I be campaigning? could you be campaigning? could he be campaigning? could we be campaigning? could you be campaigning? could they be campaigning?
Perfeito	Perfeito com V-ing
could I have campaigned? could you have campaigned? could he have campaigned? could we have campaigned? could you have campaigned? could they have campaigned?	could I have been campaigning? could you have been campaigning? could he have been campaigning? could we have been campaigning? could you have been campaigning? could they have been campaigning?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I campaign? couldn't you campaign? couldn't he campaign? couldn't we campaign? couldn't you campaign? couldn't they campaign?	couldn't I be campaigning? couldn't you be campaigning? couldn't he be campaigning? couldn't we be campaigning? couldn't you be campaigning? couldn't they be campaigning?
Perfeito	Perfeito com V-ing
couldn't I have campaigned? couldn't you have campaigned? couldn't he have campaigned? couldn't we have campaigned? couldn't you have campaigned? couldn't they have campaigned?	couldn't I have been campaigning? couldn't you have been campaigning? couldn't he have been campaigning? couldn't we have been campaigning? couldn't you have been campaigning? couldn't they have been campaigning?