Conjugação do verbo inglês
COULD PROOF

Verbo regular: proof - proofed - proofed

Afirmação

Forma simple	Forma com V-ing
I could proof you could proof she could proof we could proof you could proof they could proof	I could be proofing you could be proofing she could be proofing we could be proofing you could be proofing they could be proofing
Perfeito	Perfeito com V-ing
I could have proofed you could have proofed she could have proofed we could have proofed you could have proofed they could have proofed	I could have been proofing you could have been proofing she could have been proofing we could have been proofing you could have been proofing they could have been proofing

Negação

Forma simple	Forma com V-ing
I could not proof you could not proof she could not proof we could not proof you could not proof they could not proof	I could not be proofing you could not be proofing she could not be proofing we could not be proofing you could not be proofing they could not be proofing
Perfeito	Perfeito com V-ing
I could not have proofed you could not have proofed she could not have proofed we could not have proofed you could not have proofed they could not have proofed	I could not have been proofing you could not have been proofing she could not have been proofing we could not have been proofing you could not have been proofing they could not have been proofing

Forma interrogativa

Forma simple	Forma com V-ing
could I proof? could you proof? could she proof? could we proof? could you proof? could they proof?	could I be proofing? could you be proofing? could she be proofing? could we be proofing? could you be proofing? could they be proofing?
Perfeito	Perfeito com V-ing
could I have proofed? could you have proofed? could she have proofed? could we have proofed? could you have proofed? could they have proofed?	could I have been proofing? could you have been proofing? could she have been proofing? could we have been proofing? could you have been proofing? could they have been proofing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not proof? could you not proof? could she not proof? could we not proof? could you not proof? could they not proof?	could I not be proofing? could you not be proofing? could she not be proofing? could we not be proofing? could you not be proofing? could they not be proofing?
Perfeito	Perfeito com V-ing
could I not have proofed? could you not have proofed? could she not have proofed? could we not have proofed? could you not have proofed? could they not have proofed?	could I not have been proofing? could you not have been proofing? could she not have been proofing? could we not have been proofing? could you not have been proofing? could they not have been proofing?