could chuck
Verbo regular: chuck - chucked- chucked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could chuck
you could chuck
she could chuck
we could chuck
you could chuck
they could chuck 	I could be chucking
you could be chucking
she could be chucking
we could be chucking
you could be chucking
they could be chucking	I could have chucked
you could have chucked
she could have chucked
we could have chucked
you could have chucked
they could have chucked	I could have been chucking
you could have been chucking
she could have been chucking
we could have been chucking
you could have been chucking
they could have been chucking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not chuck
you could not chuck
she could not chuck
we could not chuck
you could not chuck
they could not chuck 	I could not be chucking
you could not be chucking
she could not be chucking
we could not be chucking
you could not be chucking
they could not be chucking	I could not have chucked
you could not have chucked
she could not have chucked
we could not have chucked
you could not have chucked
they could not have chucked	I could not have been chucking
you could not have been chucking
she could not have been chucking
we could not have been chucking
you could not have been chucking
they could not have been chucking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I chuck?
could you chuck?
could she chuck?
could we chuck?
could you chuck?
could they chuck? 	could I be chucking?
could you be chucking?
could she be chucking?
could we be chucking?
could you be chucking?
could they be chucking? 	could I have chucked?
could you have chucked?
could she have chucked?
could we have chucked?
could you have chucked?
could they have chucked? 	could I have been chucking?
could you have been chucking?
could she have been chucking?
could we have been chucking?
could you have been chucking?
could they have been chucking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not chuck?
could you not chuck?
could she not chuck?
could we not chuck?
could you not chuck?
could they not chuck? 	could I not be chucking?
could you not be chucking?
could she not be chucking?
could we not be chucking?
could you not be chucking?
could they not be chucking? 	could I not have chucked?
could you not have chucked?
could she not have chucked?
could we not have chucked?
could you not have chucked?
could they not have chucked? 	could I not have been chucking?
could you not have been chucking?
could she not have been chucking?
could we not have been chucking?
could you not have been chucking?
could they not have been chucking?