could sharp
Verbo regular: sharp - sharped- sharped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could sharp
you could sharp
she could sharp
we could sharp
you could sharp
they could sharp 	I could be sharping
you could be sharping
she could be sharping
we could be sharping
you could be sharping
they could be sharping	I could have sharped
you could have sharped
she could have sharped
we could have sharped
you could have sharped
they could have sharped	I could have been sharping
you could have been sharping
she could have been sharping
we could have been sharping
you could have been sharping
they could have been sharping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't sharp
you couldn't sharp
she couldn't sharp
we couldn't sharp
you couldn't sharp
they couldn't sharp 	I couldn't be sharping
you couldn't be sharping
she couldn't be sharping
we couldn't be sharping
you couldn't be sharping
they couldn't be sharping	I couldn't have sharped
you couldn't have sharped
she couldn't have sharped
we couldn't have sharped
you couldn't have sharped
they couldn't have sharped	I couldn't have been sharping
you couldn't have been sharping
she couldn't have been sharping
we couldn't have been sharping
you couldn't have been sharping
they couldn't have been sharping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I sharp?
could you sharp?
could she sharp?
could we sharp?
could you sharp?
could they sharp? 	could I be sharping?
could you be sharping?
could she be sharping?
could we be sharping?
could you be sharping?
could they be sharping? 	could I have sharped?
could you have sharped?
could she have sharped?
could we have sharped?
could you have sharped?
could they have sharped? 	could I have been sharping?
could you have been sharping?
could she have been sharping?
could we have been sharping?
could you have been sharping?
could they have been sharping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I sharp?
couldn't you sharp?
couldn't she sharp?
couldn't we sharp?
couldn't you sharp?
couldn't they sharp? 	couldn't I be sharping?
couldn't you be sharping?
couldn't she be sharping?
couldn't we be sharping?
couldn't you be sharping?
couldn't they be sharping? 	couldn't I have sharped?
couldn't you have sharped?
couldn't she have sharped?
couldn't we have sharped?
couldn't you have sharped?
couldn't they have sharped? 	couldn't I have been sharping?
couldn't you have been sharping?
couldn't she have been sharping?
couldn't we have been sharping?
couldn't you have been sharping?
couldn't they have been sharping?