could chuckle
Verbo regular: chuckle - chuckled- chuckled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could chuckle
you could chuckle
he could chuckle
we could chuckle
you could chuckle
they could chuckle 	I could be chuckling
you could be chuckling
he could be chuckling
we could be chuckling
you could be chuckling
they could be chuckling	I could have chuckled
you could have chuckled
he could have chuckled
we could have chuckled
you could have chuckled
they could have chuckled	I could have been chuckling
you could have been chuckling
he could have been chuckling
we could have been chuckling
you could have been chuckling
they could have been chuckling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not chuckle
you could not chuckle
he could not chuckle
we could not chuckle
you could not chuckle
they could not chuckle 	I could not be chuckling
you could not be chuckling
he could not be chuckling
we could not be chuckling
you could not be chuckling
they could not be chuckling	I could not have chuckled
you could not have chuckled
he could not have chuckled
we could not have chuckled
you could not have chuckled
they could not have chuckled	I could not have been chuckling
you could not have been chuckling
he could not have been chuckling
we could not have been chuckling
you could not have been chuckling
they could not have been chuckling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I chuckle?
could you chuckle?
could he chuckle?
could we chuckle?
could you chuckle?
could they chuckle? 	could I be chuckling?
could you be chuckling?
could he be chuckling?
could we be chuckling?
could you be chuckling?
could they be chuckling? 	could I have chuckled?
could you have chuckled?
could he have chuckled?
could we have chuckled?
could you have chuckled?
could they have chuckled? 	could I have been chuckling?
could you have been chuckling?
could he have been chuckling?
could we have been chuckling?
could you have been chuckling?
could they have been chuckling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not chuckle?
could you not chuckle?
could he not chuckle?
could we not chuckle?
could you not chuckle?
could they not chuckle? 	could I not be chuckling?
could you not be chuckling?
could he not be chuckling?
could we not be chuckling?
could you not be chuckling?
could they not be chuckling? 	could I not have chuckled?
could you not have chuckled?
could he not have chuckled?
could we not have chuckled?
could you not have chuckled?
could they not have chuckled? 	could I not have been chuckling?
could you not have been chuckling?
could he not have been chuckling?
could we not have been chuckling?
could you not have been chuckling?
could they not have been chuckling?