I can pump you can pump he can pump we can pump you can pump they can pump
Forma con V-ing
I can be pumping you can be pumping he can be pumping we can be pumping you can be pumping they can be pumping
Perfecto
I can have pumped you can have pumped he can have pumped we can have pumped you can have pumped they can have pumped
Perfecto con V-ing
I can have been pumping you can have been pumping he can have been pumping we can have been pumping you can have been pumping they can have been pumping
Negación
Forma simple
I cannot pump you cannot pump he cannot pump we cannot pump you cannot pump they cannot pump
Forma con V-ing
I cannot be pumping you cannot be pumping he cannot be pumping we cannot be pumping you cannot be pumping they cannot be pumping
Perfecto
I cannot have pumped you cannot have pumped he cannot have pumped we cannot have pumped you cannot have pumped they cannot have pumped
Perfecto con V-ing
I cannot have been pumping you cannot have been pumping he cannot have been pumping we cannot have been pumping you cannot have been pumping they cannot have been pumping
Forma interrogativa
Forma simple
can I pump? can you pump? can he pump? can we pump? can you pump? can they pump?
Forma con V-ing
can I be pumping? can you be pumping? can he be pumping? can we be pumping? can you be pumping? can they be pumping?
Perfecto
can I have pumped? can you have pumped? can he have pumped? can we have pumped? can you have pumped? can they have pumped?
Perfecto con V-ing
can I have been pumping? can you have been pumping? can he have been pumping? can we have been pumping? can you have been pumping? can they have been pumping?
Forma interro-negativa
Forma simple
can I not pump? can you not pump? can he not pump? can we not pump? can you not pump? can they not pump?
Forma con V-ing
can I not be pumping? can you not be pumping? can he not be pumping? can we not be pumping? can you not be pumping? can they not be pumping?
Perfecto
can I not have pumped? can you not have pumped? can he not have pumped? can we not have pumped? can you not have pumped? can they not have pumped?
Perfecto con V-ing
can I not have been pumping? can you not have been pumping? can he not have been pumping? can we not have been pumping? can you not have been pumping? can they not have been pumping?