Conjugación del verbo inglés
COULD OBSTRUCT

Verbo regular: obstruct - obstructed - obstructed

Afirmación

Forma simple	Forma con V-ing
I could obstruct you could obstruct she could obstruct we could obstruct you could obstruct they could obstruct	I could be obstructing you could be obstructing she could be obstructing we could be obstructing you could be obstructing they could be obstructing
Perfecto	Perfecto con V-ing
I could have obstructed you could have obstructed she could have obstructed we could have obstructed you could have obstructed they could have obstructed	I could have been obstructing you could have been obstructing she could have been obstructing we could have been obstructing you could have been obstructing they could have been obstructing

Negación

Forma simple	Forma con V-ing
I could not obstruct you could not obstruct she could not obstruct we could not obstruct you could not obstruct they could not obstruct	I could not be obstructing you could not be obstructing she could not be obstructing we could not be obstructing you could not be obstructing they could not be obstructing
Perfecto	Perfecto con V-ing
I could not have obstructed you could not have obstructed she could not have obstructed we could not have obstructed you could not have obstructed they could not have obstructed	I could not have been obstructing you could not have been obstructing she could not have been obstructing we could not have been obstructing you could not have been obstructing they could not have been obstructing

Forma interrogativa

Forma simple	Forma con V-ing
could I obstruct? could you obstruct? could she obstruct? could we obstruct? could you obstruct? could they obstruct?	could I be obstructing? could you be obstructing? could she be obstructing? could we be obstructing? could you be obstructing? could they be obstructing?
Perfecto	Perfecto con V-ing
could I have obstructed? could you have obstructed? could she have obstructed? could we have obstructed? could you have obstructed? could they have obstructed?	could I have been obstructing? could you have been obstructing? could she have been obstructing? could we have been obstructing? could you have been obstructing? could they have been obstructing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not obstruct? could you not obstruct? could she not obstruct? could we not obstruct? could you not obstruct? could they not obstruct?	could I not be obstructing? could you not be obstructing? could she not be obstructing? could we not be obstructing? could you not be obstructing? could they not be obstructing?
Perfecto	Perfecto con V-ing
could I not have obstructed? could you not have obstructed? could she not have obstructed? could we not have obstructed? could you not have obstructed? could they not have obstructed?	could I not have been obstructing? could you not have been obstructing? could she not have been obstructing? could we not have been obstructing? could you not have been obstructing? could they not have been obstructing?