Conjugação do verbo inglês
COULD WINNOW

Verbo regular: winnow - winnowed - winnowed

Afirmação

Forma simple	Forma com V-ing
I could winnow you could winnow he could winnow we could winnow you could winnow they could winnow	I could be winnowing you could be winnowing he could be winnowing we could be winnowing you could be winnowing they could be winnowing
Perfeito	Perfeito com V-ing
I could have winnowed you could have winnowed he could have winnowed we could have winnowed you could have winnowed they could have winnowed	I could have been winnowing you could have been winnowing he could have been winnowing we could have been winnowing you could have been winnowing they could have been winnowing

Negação

Forma simple	Forma com V-ing
I couldn't winnow you couldn't winnow he couldn't winnow we couldn't winnow you couldn't winnow they couldn't winnow	I couldn't be winnowing you couldn't be winnowing he couldn't be winnowing we couldn't be winnowing you couldn't be winnowing they couldn't be winnowing
Perfeito	Perfeito com V-ing
I couldn't have winnowed you couldn't have winnowed he couldn't have winnowed we couldn't have winnowed you couldn't have winnowed they couldn't have winnowed	I couldn't have been winnowing you couldn't have been winnowing he couldn't have been winnowing we couldn't have been winnowing you couldn't have been winnowing they couldn't have been winnowing

Forma interrogativa

Forma simple	Forma com V-ing
could I winnow? could you winnow? could he winnow? could we winnow? could you winnow? could they winnow?	could I be winnowing? could you be winnowing? could he be winnowing? could we be winnowing? could you be winnowing? could they be winnowing?
Perfeito	Perfeito com V-ing
could I have winnowed? could you have winnowed? could he have winnowed? could we have winnowed? could you have winnowed? could they have winnowed?	could I have been winnowing? could you have been winnowing? could he have been winnowing? could we have been winnowing? could you have been winnowing? could they have been winnowing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I winnow? couldn't you winnow? couldn't he winnow? couldn't we winnow? couldn't you winnow? couldn't they winnow?	couldn't I be winnowing? couldn't you be winnowing? couldn't he be winnowing? couldn't we be winnowing? couldn't you be winnowing? couldn't they be winnowing?
Perfeito	Perfeito com V-ing
couldn't I have winnowed? couldn't you have winnowed? couldn't he have winnowed? couldn't we have winnowed? couldn't you have winnowed? couldn't they have winnowed?	couldn't I have been winnowing? couldn't you have been winnowing? couldn't he have been winnowing? couldn't we have been winnowing? couldn't you have been winnowing? couldn't they have been winnowing?