Conjugação do verbo inglês
COULD CUFF

Verbo regular: cuff - cuffed - cuffed

Afirmação

Forma simple	Forma com V-ing
I could cuff you could cuff he could cuff we could cuff you could cuff they could cuff	I could be cuffing you could be cuffing he could be cuffing we could be cuffing you could be cuffing they could be cuffing
Perfeito	Perfeito com V-ing
I could have cuffed you could have cuffed he could have cuffed we could have cuffed you could have cuffed they could have cuffed	I could have been cuffing you could have been cuffing he could have been cuffing we could have been cuffing you could have been cuffing they could have been cuffing

Negação

Forma simple	Forma com V-ing
I couldn't cuff you couldn't cuff he couldn't cuff we couldn't cuff you couldn't cuff they couldn't cuff	I couldn't be cuffing you couldn't be cuffing he couldn't be cuffing we couldn't be cuffing you couldn't be cuffing they couldn't be cuffing
Perfeito	Perfeito com V-ing
I couldn't have cuffed you couldn't have cuffed he couldn't have cuffed we couldn't have cuffed you couldn't have cuffed they couldn't have cuffed	I couldn't have been cuffing you couldn't have been cuffing he couldn't have been cuffing we couldn't have been cuffing you couldn't have been cuffing they couldn't have been cuffing

Forma interrogativa

Forma simple	Forma com V-ing
could I cuff? could you cuff? could he cuff? could we cuff? could you cuff? could they cuff?	could I be cuffing? could you be cuffing? could he be cuffing? could we be cuffing? could you be cuffing? could they be cuffing?
Perfeito	Perfeito com V-ing
could I have cuffed? could you have cuffed? could he have cuffed? could we have cuffed? could you have cuffed? could they have cuffed?	could I have been cuffing? could you have been cuffing? could he have been cuffing? could we have been cuffing? could you have been cuffing? could they have been cuffing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I cuff? couldn't you cuff? couldn't he cuff? couldn't we cuff? couldn't you cuff? couldn't they cuff?	couldn't I be cuffing? couldn't you be cuffing? couldn't he be cuffing? couldn't we be cuffing? couldn't you be cuffing? couldn't they be cuffing?
Perfeito	Perfeito com V-ing
couldn't I have cuffed? couldn't you have cuffed? couldn't he have cuffed? couldn't we have cuffed? couldn't you have cuffed? couldn't they have cuffed?	couldn't I have been cuffing? couldn't you have been cuffing? couldn't he have been cuffing? couldn't we have been cuffing? couldn't you have been cuffing? couldn't they have been cuffing?