could swamp
Verbo regular: swamp - swamped- swamped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could swamp
you could swamp
he could swamp
we could swamp
you could swamp
they could swamp 	I could be swamping
you could be swamping
he could be swamping
we could be swamping
you could be swamping
they could be swamping	I could have swamped
you could have swamped
he could have swamped
we could have swamped
you could have swamped
they could have swamped	I could have been swamping
you could have been swamping
he could have been swamping
we could have been swamping
you could have been swamping
they could have been swamping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not swamp
you could not swamp
he could not swamp
we could not swamp
you could not swamp
they could not swamp 	I could not be swamping
you could not be swamping
he could not be swamping
we could not be swamping
you could not be swamping
they could not be swamping	I could not have swamped
you could not have swamped
he could not have swamped
we could not have swamped
you could not have swamped
they could not have swamped	I could not have been swamping
you could not have been swamping
he could not have been swamping
we could not have been swamping
you could not have been swamping
they could not have been swamping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I swamp?
could you swamp?
could he swamp?
could we swamp?
could you swamp?
could they swamp? 	could I be swamping?
could you be swamping?
could he be swamping?
could we be swamping?
could you be swamping?
could they be swamping? 	could I have swamped?
could you have swamped?
could he have swamped?
could we have swamped?
could you have swamped?
could they have swamped? 	could I have been swamping?
could you have been swamping?
could he have been swamping?
could we have been swamping?
could you have been swamping?
could they have been swamping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not swamp?
could you not swamp?
could he not swamp?
could we not swamp?
could you not swamp?
could they not swamp? 	could I not be swamping?
could you not be swamping?
could he not be swamping?
could we not be swamping?
could you not be swamping?
could they not be swamping? 	could I not have swamped?
could you not have swamped?
could he not have swamped?
could we not have swamped?
could you not have swamped?
could they not have swamped? 	could I not have been swamping?
could you not have been swamping?
could he not have been swamping?
could we not have been swamping?
could you not have been swamping?
could they not have been swamping?