Conjugação do verbo inglês
COULD POLYGRAPH

Verbo regular: polygraph - polygraphed - polygraphed

Afirmação

Forma simple	Forma com V-ing
I could polygraph you could polygraph he could polygraph we could polygraph you could polygraph they could polygraph	I could be polygraphing you could be polygraphing he could be polygraphing we could be polygraphing you could be polygraphing they could be polygraphing
Perfeito	Perfeito com V-ing
I could have polygraphed you could have polygraphed he could have polygraphed we could have polygraphed you could have polygraphed they could have polygraphed	I could have been polygraphing you could have been polygraphing he could have been polygraphing we could have been polygraphing you could have been polygraphing they could have been polygraphing

Negação

Forma simple	Forma com V-ing
I couldn't polygraph you couldn't polygraph he couldn't polygraph we couldn't polygraph you couldn't polygraph they couldn't polygraph	I couldn't be polygraphing you couldn't be polygraphing he couldn't be polygraphing we couldn't be polygraphing you couldn't be polygraphing they couldn't be polygraphing
Perfeito	Perfeito com V-ing
I couldn't have polygraphed you couldn't have polygraphed he couldn't have polygraphed we couldn't have polygraphed you couldn't have polygraphed they couldn't have polygraphed	I couldn't have been polygraphing you couldn't have been polygraphing he couldn't have been polygraphing we couldn't have been polygraphing you couldn't have been polygraphing they couldn't have been polygraphing

Forma interrogativa

Forma simple	Forma com V-ing
could I polygraph? could you polygraph? could he polygraph? could we polygraph? could you polygraph? could they polygraph?	could I be polygraphing? could you be polygraphing? could he be polygraphing? could we be polygraphing? could you be polygraphing? could they be polygraphing?
Perfeito	Perfeito com V-ing
could I have polygraphed? could you have polygraphed? could he have polygraphed? could we have polygraphed? could you have polygraphed? could they have polygraphed?	could I have been polygraphing? could you have been polygraphing? could he have been polygraphing? could we have been polygraphing? could you have been polygraphing? could they have been polygraphing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I polygraph? couldn't you polygraph? couldn't he polygraph? couldn't we polygraph? couldn't you polygraph? couldn't they polygraph?	couldn't I be polygraphing? couldn't you be polygraphing? couldn't he be polygraphing? couldn't we be polygraphing? couldn't you be polygraphing? couldn't they be polygraphing?
Perfeito	Perfeito com V-ing
couldn't I have polygraphed? couldn't you have polygraphed? couldn't he have polygraphed? couldn't we have polygraphed? couldn't you have polygraphed? couldn't they have polygraphed?	couldn't I have been polygraphing? couldn't you have been polygraphing? couldn't he have been polygraphing? couldn't we have been polygraphing? couldn't you have been polygraphing? couldn't they have been polygraphing?