I could skimp you could skimp he could skimp we could skimp you could skimp they could skimp
Forma com V-ing
I could be skimping you could be skimping he could be skimping we could be skimping you could be skimping they could be skimping
Perfeito
I could have skimped you could have skimped he could have skimped we could have skimped you could have skimped they could have skimped
Perfeito com V-ing
I could have been skimping you could have been skimping he could have been skimping we could have been skimping you could have been skimping they could have been skimping
Negação
Forma simple
I could not skimp you could not skimp he could not skimp we could not skimp you could not skimp they could not skimp
Forma com V-ing
I could not be skimping you could not be skimping he could not be skimping we could not be skimping you could not be skimping they could not be skimping
Perfeito
I could not have skimped you could not have skimped he could not have skimped we could not have skimped you could not have skimped they could not have skimped
Perfeito com V-ing
I could not have been skimping you could not have been skimping he could not have been skimping we could not have been skimping you could not have been skimping they could not have been skimping
Forma interrogativa
Forma simple
could I skimp? could you skimp? could he skimp? could we skimp? could you skimp? could they skimp?
Forma com V-ing
could I be skimping? could you be skimping? could he be skimping? could we be skimping? could you be skimping? could they be skimping?
Perfeito
could I have skimped? could you have skimped? could he have skimped? could we have skimped? could you have skimped? could they have skimped?
Perfeito com V-ing
could I have been skimping? could you have been skimping? could he have been skimping? could we have been skimping? could you have been skimping? could they have been skimping?
Forma interro-Negação
Forma simple
could I not skimp? could you not skimp? could he not skimp? could we not skimp? could you not skimp? could they not skimp?
Forma com V-ing
could I not be skimping? could you not be skimping? could he not be skimping? could we not be skimping? could you not be skimping? could they not be skimping?
Perfeito
could I not have skimped? could you not have skimped? could he not have skimped? could we not have skimped? could you not have skimped? could they not have skimped?
Perfeito com V-ing
could I not have been skimping? could you not have been skimping? could he not have been skimping? could we not have been skimping? could you not have been skimping? could they not have been skimping?