Conjugação do verbo inglês
COULD OVERREFINE

Verbo regular: overrefine - overrefined - overrefined

Afirmação

Forma simple	Forma com V-ing
I could overrefine you could overrefine he could overrefine we could overrefine you could overrefine they could overrefine	I could be overrefining you could be overrefining he could be overrefining we could be overrefining you could be overrefining they could be overrefining
Perfeito	Perfeito com V-ing
I could have overrefined you could have overrefined he could have overrefined we could have overrefined you could have overrefined they could have overrefined	I could have been overrefining you could have been overrefining he could have been overrefining we could have been overrefining you could have been overrefining they could have been overrefining

Negação

Forma simple	Forma com V-ing
I couldn't overrefine you couldn't overrefine he couldn't overrefine we couldn't overrefine you couldn't overrefine they couldn't overrefine	I couldn't be overrefining you couldn't be overrefining he couldn't be overrefining we couldn't be overrefining you couldn't be overrefining they couldn't be overrefining
Perfeito	Perfeito com V-ing
I couldn't have overrefined you couldn't have overrefined he couldn't have overrefined we couldn't have overrefined you couldn't have overrefined they couldn't have overrefined	I couldn't have been overrefining you couldn't have been overrefining he couldn't have been overrefining we couldn't have been overrefining you couldn't have been overrefining they couldn't have been overrefining

Forma interrogativa

Forma simple	Forma com V-ing
could I overrefine? could you overrefine? could he overrefine? could we overrefine? could you overrefine? could they overrefine?	could I be overrefining? could you be overrefining? could he be overrefining? could we be overrefining? could you be overrefining? could they be overrefining?
Perfeito	Perfeito com V-ing
could I have overrefined? could you have overrefined? could he have overrefined? could we have overrefined? could you have overrefined? could they have overrefined?	could I have been overrefining? could you have been overrefining? could he have been overrefining? could we have been overrefining? could you have been overrefining? could they have been overrefining?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I overrefine? couldn't you overrefine? couldn't he overrefine? couldn't we overrefine? couldn't you overrefine? couldn't they overrefine?	couldn't I be overrefining? couldn't you be overrefining? couldn't he be overrefining? couldn't we be overrefining? couldn't you be overrefining? couldn't they be overrefining?
Perfeito	Perfeito com V-ing
couldn't I have overrefined? couldn't you have overrefined? couldn't he have overrefined? couldn't we have overrefined? couldn't you have overrefined? couldn't they have overrefined?	couldn't I have been overrefining? couldn't you have been overrefining? couldn't he have been overrefining? couldn't we have been overrefining? couldn't you have been overrefining? couldn't they have been overrefining?