I can descale you can descale he can descale we can descale you can descale they can descale
Forma com V-ing
I can be descaling you can be descaling he can be descaling we can be descaling you can be descaling they can be descaling
Perfeito
I can have descaled you can have descaled he can have descaled we can have descaled you can have descaled they can have descaled
Perfeito com V-ing
I can have been descaling you can have been descaling he can have been descaling we can have been descaling you can have been descaling they can have been descaling
Negação
Forma simple
I cannot descale you cannot descale he cannot descale we cannot descale you cannot descale they cannot descale
Forma com V-ing
I cannot be descaling you cannot be descaling he cannot be descaling we cannot be descaling you cannot be descaling they cannot be descaling
Perfeito
I cannot have descaled you cannot have descaled he cannot have descaled we cannot have descaled you cannot have descaled they cannot have descaled
Perfeito com V-ing
I cannot have been descaling you cannot have been descaling he cannot have been descaling we cannot have been descaling you cannot have been descaling they cannot have been descaling
Forma interrogativa
Forma simple
can I descale? can you descale? can he descale? can we descale? can you descale? can they descale?
Forma com V-ing
can I be descaling? can you be descaling? can he be descaling? can we be descaling? can you be descaling? can they be descaling?
Perfeito
can I have descaled? can you have descaled? can he have descaled? can we have descaled? can you have descaled? can they have descaled?
Perfeito com V-ing
can I have been descaling? can you have been descaling? can he have been descaling? can we have been descaling? can you have been descaling? can they have been descaling?
Forma interro-Negação
Forma simple
can I not descale? can you not descale? can he not descale? can we not descale? can you not descale? can they not descale?
Forma com V-ing
can I not be descaling? can you not be descaling? can he not be descaling? can we not be descaling? can you not be descaling? can they not be descaling?
Perfeito
can I not have descaled? can you not have descaled? can he not have descaled? can we not have descaled? can you not have descaled? can they not have descaled?
Perfeito com V-ing
can I not have been descaling? can you not have been descaling? can he not have been descaling? can we not have been descaling? can you not have been descaling? can they not have been descaling?