Conjugação do verbo inglês
COULD AUTHOR

Verbo regular: author - authored - authored

Afirmação

Forma simple	Forma com V-ing
I could author you could author she could author we could author you could author they could author	I could be authoring you could be authoring she could be authoring we could be authoring you could be authoring they could be authoring
Perfeito	Perfeito com V-ing
I could have authored you could have authored she could have authored we could have authored you could have authored they could have authored	I could have been authoring you could have been authoring she could have been authoring we could have been authoring you could have been authoring they could have been authoring

Negação

Forma simple	Forma com V-ing
I couldn't author you couldn't author she couldn't author we couldn't author you couldn't author they couldn't author	I couldn't be authoring you couldn't be authoring she couldn't be authoring we couldn't be authoring you couldn't be authoring they couldn't be authoring
Perfeito	Perfeito com V-ing
I couldn't have authored you couldn't have authored she couldn't have authored we couldn't have authored you couldn't have authored they couldn't have authored	I couldn't have been authoring you couldn't have been authoring she couldn't have been authoring we couldn't have been authoring you couldn't have been authoring they couldn't have been authoring

Forma interrogativa

Forma simple	Forma com V-ing
could I author? could you author? could she author? could we author? could you author? could they author?	could I be authoring? could you be authoring? could she be authoring? could we be authoring? could you be authoring? could they be authoring?
Perfeito	Perfeito com V-ing
could I have authored? could you have authored? could she have authored? could we have authored? could you have authored? could they have authored?	could I have been authoring? could you have been authoring? could she have been authoring? could we have been authoring? could you have been authoring? could they have been authoring?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I author? couldn't you author? couldn't she author? couldn't we author? couldn't you author? couldn't they author?	couldn't I be authoring? couldn't you be authoring? couldn't she be authoring? couldn't we be authoring? couldn't you be authoring? couldn't they be authoring?
Perfeito	Perfeito com V-ing
couldn't I have authored? couldn't you have authored? couldn't she have authored? couldn't we have authored? couldn't you have authored? couldn't they have authored?	couldn't I have been authoring? couldn't you have been authoring? couldn't she have been authoring? couldn't we have been authoring? couldn't you have been authoring? couldn't they have been authoring?