could usurp
Verbo regular: usurp - usurped- usurped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could usurp
you could usurp
he could usurp
we could usurp
you could usurp
they could usurp 	I could be usurping
you could be usurping
he could be usurping
we could be usurping
you could be usurping
they could be usurping	I could have usurped
you could have usurped
he could have usurped
we could have usurped
you could have usurped
they could have usurped	I could have been usurping
you could have been usurping
he could have been usurping
we could have been usurping
you could have been usurping
they could have been usurping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not usurp
you could not usurp
he could not usurp
we could not usurp
you could not usurp
they could not usurp 	I could not be usurping
you could not be usurping
he could not be usurping
we could not be usurping
you could not be usurping
they could not be usurping	I could not have usurped
you could not have usurped
he could not have usurped
we could not have usurped
you could not have usurped
they could not have usurped	I could not have been usurping
you could not have been usurping
he could not have been usurping
we could not have been usurping
you could not have been usurping
they could not have been usurping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I usurp?
could you usurp?
could he usurp?
could we usurp?
could you usurp?
could they usurp? 	could I be usurping?
could you be usurping?
could he be usurping?
could we be usurping?
could you be usurping?
could they be usurping? 	could I have usurped?
could you have usurped?
could he have usurped?
could we have usurped?
could you have usurped?
could they have usurped? 	could I have been usurping?
could you have been usurping?
could he have been usurping?
could we have been usurping?
could you have been usurping?
could they have been usurping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not usurp?
could you not usurp?
could he not usurp?
could we not usurp?
could you not usurp?
could they not usurp? 	could I not be usurping?
could you not be usurping?
could he not be usurping?
could we not be usurping?
could you not be usurping?
could they not be usurping? 	could I not have usurped?
could you not have usurped?
could he not have usurped?
could we not have usurped?
could you not have usurped?
could they not have usurped? 	could I not have been usurping?
could you not have been usurping?
could he not have been usurping?
could we not have been usurping?
could you not have been usurping?
could they not have been usurping?