Conjugación del verbo inglés
COULD FUNCTION

Verbo regular: function - functioned - functioned

Afirmación

Forma simple	Forma con V-ing
I could function you could function he could function we could function you could function they could function	I could be functioning you could be functioning he could be functioning we could be functioning you could be functioning they could be functioning
Perfecto	Perfecto con V-ing
I could have functioned you could have functioned he could have functioned we could have functioned you could have functioned they could have functioned	I could have been functioning you could have been functioning he could have been functioning we could have been functioning you could have been functioning they could have been functioning

Negación

Forma simple	Forma con V-ing
I couldn't function you couldn't function he couldn't function we couldn't function you couldn't function they couldn't function	I couldn't be functioning you couldn't be functioning he couldn't be functioning we couldn't be functioning you couldn't be functioning they couldn't be functioning
Perfecto	Perfecto con V-ing
I couldn't have functioned you couldn't have functioned he couldn't have functioned we couldn't have functioned you couldn't have functioned they couldn't have functioned	I couldn't have been functioning you couldn't have been functioning he couldn't have been functioning we couldn't have been functioning you couldn't have been functioning they couldn't have been functioning

Forma interrogativa

Forma simple	Forma con V-ing
could I function? could you function? could he function? could we function? could you function? could they function?	could I be functioning? could you be functioning? could he be functioning? could we be functioning? could you be functioning? could they be functioning?
Perfecto	Perfecto con V-ing
could I have functioned? could you have functioned? could he have functioned? could we have functioned? could you have functioned? could they have functioned?	could I have been functioning? could you have been functioning? could he have been functioning? could we have been functioning? could you have been functioning? could they have been functioning?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I function? couldn't you function? couldn't he function? couldn't we function? couldn't you function? couldn't they function?	couldn't I be functioning? couldn't you be functioning? couldn't he be functioning? couldn't we be functioning? couldn't you be functioning? couldn't they be functioning?
Perfecto	Perfecto con V-ing
couldn't I have functioned? couldn't you have functioned? couldn't he have functioned? couldn't we have functioned? couldn't you have functioned? couldn't they have functioned?	couldn't I have been functioning? couldn't you have been functioning? couldn't he have been functioning? couldn't we have been functioning? couldn't you have been functioning? couldn't they have been functioning?