could pump
Verbo regolare: pump - pumped- pumped

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could pump
you could pump
he could pump
we could pump
you could pump
they could pump 	I could be pumping
you could be pumping
he could be pumping
we could be pumping
you could be pumping
they could be pumping	I could have pumped
you could have pumped
he could have pumped
we could have pumped
you could have pumped
they could have pumped	I could have been pumping
you could have been pumping
he could have been pumping
we could have been pumping
you could have been pumping
they could have been pumping	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't pump
you couldn't pump
he couldn't pump
we couldn't pump
you couldn't pump
they couldn't pump 	I couldn't be pumping
you couldn't be pumping
he couldn't be pumping
we couldn't be pumping
you couldn't be pumping
they couldn't be pumping	I couldn't have pumped
you couldn't have pumped
he couldn't have pumped
we couldn't have pumped
you couldn't have pumped
they couldn't have pumped	I couldn't have been pumping
you couldn't have been pumping
he couldn't have been pumping
we couldn't have been pumping
you couldn't have been pumping
they couldn't have been pumping	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I pump?
could you pump?
could he pump?
could we pump?
could you pump?
could they pump? 	could I be pumping?
could you be pumping?
could he be pumping?
could we be pumping?
could you be pumping?
could they be pumping? 	could I have pumped?
could you have pumped?
could he have pumped?
could we have pumped?
could you have pumped?
could they have pumped? 	could I have been pumping?
could you have been pumping?
could he have been pumping?
could we have been pumping?
could you have been pumping?
could they have been pumping? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I pump?
couldn't you pump?
couldn't he pump?
couldn't we pump?
couldn't you pump?
couldn't they pump? 	couldn't I be pumping?
couldn't you be pumping?
couldn't he be pumping?
couldn't we be pumping?
couldn't you be pumping?
couldn't they be pumping? 	couldn't I have pumped?
couldn't you have pumped?
couldn't he have pumped?
couldn't we have pumped?
couldn't you have pumped?
couldn't they have pumped? 	couldn't I have been pumping?
couldn't you have been pumping?
couldn't he have been pumping?
couldn't we have been pumping?
couldn't you have been pumping?
couldn't they have been pumping?