I can guard you can guard he can guard we can guard you can guard they can guard
Forma com V-ing
I can be guarding you can be guarding he can be guarding we can be guarding you can be guarding they can be guarding
Perfeito
I can have guarded you can have guarded he can have guarded we can have guarded you can have guarded they can have guarded
Perfeito com V-ing
I can have been guarding you can have been guarding he can have been guarding we can have been guarding you can have been guarding they can have been guarding
Negação
Forma simple
I cannot guard you cannot guard he cannot guard we cannot guard you cannot guard they cannot guard
Forma com V-ing
I cannot be guarding you cannot be guarding he cannot be guarding we cannot be guarding you cannot be guarding they cannot be guarding
Perfeito
I cannot have guarded you cannot have guarded he cannot have guarded we cannot have guarded you cannot have guarded they cannot have guarded
Perfeito com V-ing
I cannot have been guarding you cannot have been guarding he cannot have been guarding we cannot have been guarding you cannot have been guarding they cannot have been guarding
Forma interrogativa
Forma simple
can I guard? can you guard? can he guard? can we guard? can you guard? can they guard?
Forma com V-ing
can I be guarding? can you be guarding? can he be guarding? can we be guarding? can you be guarding? can they be guarding?
Perfeito
can I have guarded? can you have guarded? can he have guarded? can we have guarded? can you have guarded? can they have guarded?
Perfeito com V-ing
can I have been guarding? can you have been guarding? can he have been guarding? can we have been guarding? can you have been guarding? can they have been guarding?
Forma interro-Negação
Forma simple
can I not guard? can you not guard? can he not guard? can we not guard? can you not guard? can they not guard?
Forma com V-ing
can I not be guarding? can you not be guarding? can he not be guarding? can we not be guarding? can you not be guarding? can they not be guarding?
Perfeito
can I not have guarded? can you not have guarded? can he not have guarded? can we not have guarded? can you not have guarded? can they not have guarded?
Perfeito com V-ing
can I not have been guarding? can you not have been guarding? can he not have been guarding? can we not have been guarding? can you not have been guarding? can they not have been guarding?