I could color you could color she could color we could color you could color they could color
Forma com V-ing
I could be coloring you could be coloring she could be coloring we could be coloring you could be coloring they could be coloring
Perfeito
I could have colored you could have colored she could have colored we could have colored you could have colored they could have colored
Perfeito com V-ing
I could have been coloring you could have been coloring she could have been coloring we could have been coloring you could have been coloring they could have been coloring
Negação
Forma simple
I couldn't color you couldn't color she couldn't color we couldn't color you couldn't color they couldn't color
Forma com V-ing
I couldn't be coloring you couldn't be coloring she couldn't be coloring we couldn't be coloring you couldn't be coloring they couldn't be coloring
Perfeito
I couldn't have colored you couldn't have colored she couldn't have colored we couldn't have colored you couldn't have colored they couldn't have colored
Perfeito com V-ing
I couldn't have been coloring you couldn't have been coloring she couldn't have been coloring we couldn't have been coloring you couldn't have been coloring they couldn't have been coloring
Forma interrogativa
Forma simple
could I color? could you color? could she color? could we color? could you color? could they color?
Forma com V-ing
could I be coloring? could you be coloring? could she be coloring? could we be coloring? could you be coloring? could they be coloring?
Perfeito
could I have colored? could you have colored? could she have colored? could we have colored? could you have colored? could they have colored?
Perfeito com V-ing
could I have been coloring? could you have been coloring? could she have been coloring? could we have been coloring? could you have been coloring? could they have been coloring?
Forma interro-Negação
Forma simple
couldn't I color? couldn't you color? couldn't she color? couldn't we color? couldn't you color? couldn't they color?
Forma com V-ing
couldn't I be coloring? couldn't you be coloring? couldn't she be coloring? couldn't we be coloring? couldn't you be coloring? couldn't they be coloring?
Perfeito
couldn't I have colored? couldn't you have colored? couldn't she have colored? couldn't we have colored? couldn't you have colored? couldn't they have colored?
Perfeito com V-ing
couldn't I have been coloring? couldn't you have been coloring? couldn't she have been coloring? couldn't we have been coloring? couldn't you have been coloring? couldn't they have been coloring?