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 can't pump you can't pump he can't pump we can't pump you can't pump they can't pump
Forma con V-ing
I can't be pumping you can't be pumping he can't be pumping we can't be pumping you can't be pumping they can't be pumping
Perfecto
I can't have pumped you can't have pumped he can't have pumped we can't have pumped you can't have pumped they can't have pumped
Perfecto con V-ing
I can't have been pumping you can't have been pumping he can't have been pumping we can't have been pumping you can't have been pumping they can't 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't I pump? can't you pump? can't he pump? can't we pump? can't you pump? can't they pump?
Forma con V-ing
can't I be pumping? can't you be pumping? can't he be pumping? can't we be pumping? can't you be pumping? can't they be pumping?
Perfecto
can't I have pumped? can't you have pumped? can't he have pumped? can't we have pumped? can't you have pumped? can't they have pumped?
Perfecto con V-ing
can't I have been pumping? can't you have been pumping? can't he have been pumping? can't we have been pumping? can't you have been pumping? can't they have been pumping?