Conjugação do verbo inglês
CAN PROFFER

Verbo regular: proffer - proffered - proffered

Afirmação

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

Negação

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

Forma interrogativa

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

Forma interro-Negação

Forma simple	Forma com V-ing
can I not proffer? can you not proffer? can he not proffer? can we not proffer? can you not proffer? can they not proffer?	can I not be proffering? can you not be proffering? can he not be proffering? can we not be proffering? can you not be proffering? can they not be proffering?
Perfeito	Perfeito com V-ing
can I not have proffered? can you not have proffered? can he not have proffered? can we not have proffered? can you not have proffered? can they not have proffered?	can I not have been proffering? can you not have been proffering? can he not have been proffering? can we not have been proffering? can you not have been proffering? can they not have been proffering?