Conjugación del verbo inglés
COULD PERTURB

Verbo regular: perturb - perturbed - perturbed

Afirmación

Forma simple	Forma con V-ing
I could perturb you could perturb he could perturb we could perturb you could perturb they could perturb	I could be perturbing you could be perturbing he could be perturbing we could be perturbing you could be perturbing they could be perturbing
Perfecto	Perfecto con V-ing
I could have perturbed you could have perturbed he could have perturbed we could have perturbed you could have perturbed they could have perturbed	I could have been perturbing you could have been perturbing he could have been perturbing we could have been perturbing you could have been perturbing they could have been perturbing

Negación

Forma simple	Forma con V-ing
I could not perturb you could not perturb he could not perturb we could not perturb you could not perturb they could not perturb	I could not be perturbing you could not be perturbing he could not be perturbing we could not be perturbing you could not be perturbing they could not be perturbing
Perfecto	Perfecto con V-ing
I could not have perturbed you could not have perturbed he could not have perturbed we could not have perturbed you could not have perturbed they could not have perturbed	I could not have been perturbing you could not have been perturbing he could not have been perturbing we could not have been perturbing you could not have been perturbing they could not have been perturbing

Forma interrogativa

Forma simple	Forma con V-ing
could I perturb? could you perturb? could he perturb? could we perturb? could you perturb? could they perturb?	could I be perturbing? could you be perturbing? could he be perturbing? could we be perturbing? could you be perturbing? could they be perturbing?
Perfecto	Perfecto con V-ing
could I have perturbed? could you have perturbed? could he have perturbed? could we have perturbed? could you have perturbed? could they have perturbed?	could I have been perturbing? could you have been perturbing? could he have been perturbing? could we have been perturbing? could you have been perturbing? could they have been perturbing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not perturb? could you not perturb? could he not perturb? could we not perturb? could you not perturb? could they not perturb?	could I not be perturbing? could you not be perturbing? could he not be perturbing? could we not be perturbing? could you not be perturbing? could they not be perturbing?
Perfecto	Perfecto con V-ing
could I not have perturbed? could you not have perturbed? could he not have perturbed? could we not have perturbed? could you not have perturbed? could they not have perturbed?	could I not have been perturbing? could you not have been perturbing? could he not have been perturbing? could we not have been perturbing? could you not have been perturbing? could they not have been perturbing?