I can obstruct you can obstruct he can obstruct we can obstruct you can obstruct they can obstruct
Forma com V-ing
I can be obstructing you can be obstructing he can be obstructing we can be obstructing you can be obstructing they can be obstructing
Perfeito
I can have obstructed you can have obstructed he 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 he 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 he 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 he 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 he 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 he 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 he obstruct? can we obstruct? can you obstruct? can they obstruct?
Forma com V-ing
can I be obstructing? can you be obstructing? can he be obstructing? can we be obstructing? can you be obstructing? can they be obstructing?
Perfeito
can I have obstructed? can you have obstructed? can he 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 he 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 he 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 he 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 he 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 he have been obstructing? can't we have been obstructing? can't you have been obstructing? can't they have been obstructing?