I can obstruct you can obstruct she can obstruct we can obstruct you can obstruct they can obstruct
Forma com V-ing
I can be obstructing you can be obstructing she can be obstructing we can be obstructing you can be obstructing they can be obstructing
Perfeito
I can have obstructed you can have obstructed she can have obstructed we can have obstructed you can have obstructed they can have obstructed
Perfeito com V-ing
I can have been obstructing you can have been obstructing she can have been obstructing we can have been obstructing you can have been obstructing they can have been obstructing
Negação
Forma simple
I can't obstruct you can't obstruct she can't obstruct we can't obstruct you can't obstruct they can't obstruct
Forma com V-ing
I can't be obstructing you can't be obstructing she can't be obstructing we can't be obstructing you can't be obstructing they can't be obstructing
Perfeito
I can't have obstructed you can't have obstructed she can't have obstructed we can't have obstructed you can't have obstructed they can't have obstructed
Perfeito com V-ing
I can't have been obstructing you can't have been obstructing she can't have been obstructing we can't have been obstructing you can't have been obstructing they can't have been obstructing
Forma interrogativa
Forma simple
can I obstruct? can you obstruct? can she obstruct? can we obstruct? can you obstruct? can they obstruct?
Forma com V-ing
can I be obstructing? can you be obstructing? can she be obstructing? can we be obstructing? can you be obstructing? can they be obstructing?
Perfeito
can I have obstructed? can you have obstructed? can she have obstructed? can we have obstructed? can you have obstructed? can they have obstructed?
Perfeito com V-ing
can I have been obstructing? can you have been obstructing? can she have been obstructing? can we have been obstructing? can you have been obstructing? can they have been obstructing?
Forma interro-Negação
Forma simple
can't I obstruct? can't you obstruct? can't she obstruct? can't we obstruct? can't you obstruct? can't they obstruct?
Forma com V-ing
can't I be obstructing? can't you be obstructing? can't she be obstructing? can't we be obstructing? can't you be obstructing? can't they be obstructing?
Perfeito
can't I have obstructed? can't you have obstructed? can't she have obstructed? can't we have obstructed? can't you have obstructed? can't they have obstructed?
Perfeito com V-ing
can't I have been obstructing? can't you have been obstructing? can't she have been obstructing? can't we have been obstructing? can't you have been obstructing? can't they have been obstructing?