Conjugação do verbo inglês
COULD AFFIX

Verbo regular: affix - affixed - affixed

Afirmação

Forma simple	Forma com V-ing
I could affix you could affix she could affix we could affix you could affix they could affix	I could be affixing you could be affixing she could be affixing we could be affixing you could be affixing they could be affixing
Perfeito	Perfeito com V-ing
I could have affixed you could have affixed she could have affixed we could have affixed you could have affixed they could have affixed	I could have been affixing you could have been affixing she could have been affixing we could have been affixing you could have been affixing they could have been affixing

Negação

Forma simple	Forma com V-ing
I could not affix you could not affix she could not affix we could not affix you could not affix they could not affix	I could not be affixing you could not be affixing she could not be affixing we could not be affixing you could not be affixing they could not be affixing
Perfeito	Perfeito com V-ing
I could not have affixed you could not have affixed she could not have affixed we could not have affixed you could not have affixed they could not have affixed	I could not have been affixing you could not have been affixing she could not have been affixing we could not have been affixing you could not have been affixing they could not have been affixing

Forma interrogativa

Forma simple	Forma com V-ing
could I affix? could you affix? could she affix? could we affix? could you affix? could they affix?	could I be affixing? could you be affixing? could she be affixing? could we be affixing? could you be affixing? could they be affixing?
Perfeito	Perfeito com V-ing
could I have affixed? could you have affixed? could she have affixed? could we have affixed? could you have affixed? could they have affixed?	could I have been affixing? could you have been affixing? could she have been affixing? could we have been affixing? could you have been affixing? could they have been affixing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not affix? could you not affix? could she not affix? could we not affix? could you not affix? could they not affix?	could I not be affixing? could you not be affixing? could she not be affixing? could we not be affixing? could you not be affixing? could they not be affixing?
Perfeito	Perfeito com V-ing
could I not have affixed? could you not have affixed? could she not have affixed? could we not have affixed? could you not have affixed? could they not have affixed?	could I not have been affixing? could you not have been affixing? could she not have been affixing? could we not have been affixing? could you not have been affixing? could they not have been affixing?