I can suck you can suck he can suck we can suck you can suck they can suck
Forma com V-ing
I can be sucking you can be sucking he can be sucking we can be sucking you can be sucking they can be sucking
Perfeito
I can have sucked you can have sucked he can have sucked we can have sucked you can have sucked they can have sucked
Perfeito com V-ing
I can have been sucking you can have been sucking he can have been sucking we can have been sucking you can have been sucking they can have been sucking
Negação
Forma simple
I cannot suck you cannot suck he cannot suck we cannot suck you cannot suck they cannot suck
Forma com V-ing
I cannot be sucking you cannot be sucking he cannot be sucking we cannot be sucking you cannot be sucking they cannot be sucking
Perfeito
I cannot have sucked you cannot have sucked he cannot have sucked we cannot have sucked you cannot have sucked they cannot have sucked
Perfeito com V-ing
I cannot have been sucking you cannot have been sucking he cannot have been sucking we cannot have been sucking you cannot have been sucking they cannot have been sucking
Forma interrogativa
Forma simple
can I suck? can you suck? can he suck? can we suck? can you suck? can they suck?
Forma com V-ing
can I be sucking? can you be sucking? can he be sucking? can we be sucking? can you be sucking? can they be sucking?
Perfeito
can I have sucked? can you have sucked? can he have sucked? can we have sucked? can you have sucked? can they have sucked?
Perfeito com V-ing
can I have been sucking? can you have been sucking? can he have been sucking? can we have been sucking? can you have been sucking? can they have been sucking?
Forma interro-Negação
Forma simple
can I not suck? can you not suck? can he not suck? can we not suck? can you not suck? can they not suck?
Forma com V-ing
can I not be sucking? can you not be sucking? can he not be sucking? can we not be sucking? can you not be sucking? can they not be sucking?
Perfeito
can I not have sucked? can you not have sucked? can he not have sucked? can we not have sucked? can you not have sucked? can they not have sucked?
Perfeito com V-ing
can I not have been sucking? can you not have been sucking? can he not have been sucking? can we not have been sucking? can you not have been sucking? can they not have been sucking?