Conjugação do verbo inglês
COULD PROFFER

Verbo regular: proffer - proffered - proffered

Afirmação

Forma simple	Forma com V-ing
I could proffer you could proffer he could proffer we could proffer you could proffer they could proffer	I could be proffering you could be proffering he could be proffering we could be proffering you could be proffering they could be proffering
Perfeito	Perfeito com V-ing
I could have proffered you could have proffered he could have proffered we could have proffered you could have proffered they could have proffered	I could have been proffering you could have been proffering he could have been proffering we could have been proffering you could have been proffering they could have been proffering

Negação

Forma simple	Forma com V-ing
I couldn't proffer you couldn't proffer he couldn't proffer we couldn't proffer you couldn't proffer they couldn't proffer	I couldn't be proffering you couldn't be proffering he couldn't be proffering we couldn't be proffering you couldn't be proffering they couldn't be proffering
Perfeito	Perfeito com V-ing
I couldn't have proffered you couldn't have proffered he couldn't have proffered we couldn't have proffered you couldn't have proffered they couldn't have proffered	I couldn't have been proffering you couldn't have been proffering he couldn't have been proffering we couldn't have been proffering you couldn't have been proffering they couldn't have been proffering

Forma interrogativa

Forma simple	Forma com V-ing
could I proffer? could you proffer? could he proffer? could we proffer? could you proffer? could they proffer?	could I be proffering? could you be proffering? could he be proffering? could we be proffering? could you be proffering? could they be proffering?
Perfeito	Perfeito com V-ing
could I have proffered? could you have proffered? could he have proffered? could we have proffered? could you have proffered? could they have proffered?	could I have been proffering? could you have been proffering? could he have been proffering? could we have been proffering? could you have been proffering? could they have been proffering?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I proffer? couldn't you proffer? couldn't he proffer? couldn't we proffer? couldn't you proffer? couldn't they proffer?	couldn't I be proffering? couldn't you be proffering? couldn't he be proffering? couldn't we be proffering? couldn't you be proffering? couldn't they be proffering?
Perfeito	Perfeito com V-ing
couldn't I have proffered? couldn't you have proffered? couldn't he have proffered? couldn't we have proffered? couldn't you have proffered? couldn't they have proffered?	couldn't I have been proffering? couldn't you have been proffering? couldn't he have been proffering? couldn't we have been proffering? couldn't you have been proffering? couldn't they have been proffering?