Conjugação do verbo inglês
COULD MESS

Verbo regular: mess - messed - messed

Afirmação

Forma simple	Forma com V-ing
I could mess you could mess he could mess we could mess you could mess they could mess	I could be messing you could be messing he could be messing we could be messing you could be messing they could be messing
Perfeito	Perfeito com V-ing
I could have messed you could have messed he could have messed we could have messed you could have messed they could have messed	I could have been messing you could have been messing he could have been messing we could have been messing you could have been messing they could have been messing

Negação

Forma simple	Forma com V-ing
I couldn't mess you couldn't mess he couldn't mess we couldn't mess you couldn't mess they couldn't mess	I couldn't be messing you couldn't be messing he couldn't be messing we couldn't be messing you couldn't be messing they couldn't be messing
Perfeito	Perfeito com V-ing
I couldn't have messed you couldn't have messed he couldn't have messed we couldn't have messed you couldn't have messed they couldn't have messed	I couldn't have been messing you couldn't have been messing he couldn't have been messing we couldn't have been messing you couldn't have been messing they couldn't have been messing

Forma interrogativa

Forma simple	Forma com V-ing
could I mess? could you mess? could he mess? could we mess? could you mess? could they mess?	could I be messing? could you be messing? could he be messing? could we be messing? could you be messing? could they be messing?
Perfeito	Perfeito com V-ing
could I have messed? could you have messed? could he have messed? could we have messed? could you have messed? could they have messed?	could I have been messing? could you have been messing? could he have been messing? could we have been messing? could you have been messing? could they have been messing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I mess? couldn't you mess? couldn't he mess? couldn't we mess? couldn't you mess? couldn't they mess?	couldn't I be messing? couldn't you be messing? couldn't he be messing? couldn't we be messing? couldn't you be messing? couldn't they be messing?
Perfeito	Perfeito com V-ing
couldn't I have messed? couldn't you have messed? couldn't he have messed? couldn't we have messed? couldn't you have messed? couldn't they have messed?	couldn't I have been messing? couldn't you have been messing? couldn't he have been messing? couldn't we have been messing? couldn't you have been messing? couldn't they have been messing?