I can browse you can browse he can browse we can browse you can browse they can browse
Forma con V-ing
I can be browsing you can be browsing he can be browsing we can be browsing you can be browsing they can be browsing
Perfecto
I can have browsed you can have browsed he can have browsed we can have browsed you can have browsed they can have browsed
Perfecto con V-ing
I can have been browsing you can have been browsing he can have been browsing we can have been browsing you can have been browsing they can have been browsing
Negación
Forma simple
I cannot browse you cannot browse he cannot browse we cannot browse you cannot browse they cannot browse
Forma con V-ing
I cannot be browsing you cannot be browsing he cannot be browsing we cannot be browsing you cannot be browsing they cannot be browsing
Perfecto
I cannot have browsed you cannot have browsed he cannot have browsed we cannot have browsed you cannot have browsed they cannot have browsed
Perfecto con V-ing
I cannot have been browsing you cannot have been browsing he cannot have been browsing we cannot have been browsing you cannot have been browsing they cannot have been browsing
Forma interrogativa
Forma simple
can I browse? can you browse? can he browse? can we browse? can you browse? can they browse?
Forma con V-ing
can I be browsing? can you be browsing? can he be browsing? can we be browsing? can you be browsing? can they be browsing?
Perfecto
can I have browsed? can you have browsed? can he have browsed? can we have browsed? can you have browsed? can they have browsed?
Perfecto con V-ing
can I have been browsing? can you have been browsing? can he have been browsing? can we have been browsing? can you have been browsing? can they have been browsing?
Forma interro-negativa
Forma simple
can I not browse? can you not browse? can he not browse? can we not browse? can you not browse? can they not browse?
Forma con V-ing
can I not be browsing? can you not be browsing? can he not be browsing? can we not be browsing? can you not be browsing? can they not be browsing?
Perfecto
can I not have browsed? can you not have browsed? can he not have browsed? can we not have browsed? can you not have browsed? can they not have browsed?
Perfecto con V-ing
can I not have been browsing? can you not have been browsing? can he not have been browsing? can we not have been browsing? can you not have been browsing? can they not have been browsing?