could pop
Verbo regular: pop - popped- popped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could pop
you could pop
she could pop
we could pop
you could pop
they could pop 	I could be popping
you could be popping
she could be popping
we could be popping
you could be popping
they could be popping	I could have popped
you could have popped
she could have popped
we could have popped
you could have popped
they could have popped	I could have been popping
you could have been popping
she could have been popping
we could have been popping
you could have been popping
they could have been popping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not pop
you could not pop
she could not pop
we could not pop
you could not pop
they could not pop 	I could not be popping
you could not be popping
she could not be popping
we could not be popping
you could not be popping
they could not be popping	I could not have popped
you could not have popped
she could not have popped
we could not have popped
you could not have popped
they could not have popped	I could not have been popping
you could not have been popping
she could not have been popping
we could not have been popping
you could not have been popping
they could not have been popping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I pop?
could you pop?
could she pop?
could we pop?
could you pop?
could they pop? 	could I be popping?
could you be popping?
could she be popping?
could we be popping?
could you be popping?
could they be popping? 	could I have popped?
could you have popped?
could she have popped?
could we have popped?
could you have popped?
could they have popped? 	could I have been popping?
could you have been popping?
could she have been popping?
could we have been popping?
could you have been popping?
could they have been popping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not pop?
could you not pop?
could she not pop?
could we not pop?
could you not pop?
could they not pop? 	could I not be popping?
could you not be popping?
could she not be popping?
could we not be popping?
could you not be popping?
could they not be popping? 	could I not have popped?
could you not have popped?
could she not have popped?
could we not have popped?
could you not have popped?
could they not have popped? 	could I not have been popping?
could you not have been popping?
could she not have been popping?
could we not have been popping?
could you not have been popping?
could they not have been popping?