could zonk
Verbo regular: zonk - zonked- zonked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could zonk
you could zonk
she could zonk
we could zonk
you could zonk
they could zonk 	I could be zonking
you could be zonking
she could be zonking
we could be zonking
you could be zonking
they could be zonking	I could have zonked
you could have zonked
she could have zonked
we could have zonked
you could have zonked
they could have zonked	I could have been zonking
you could have been zonking
she could have been zonking
we could have been zonking
you could have been zonking
they could have been zonking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not zonk
you could not zonk
she could not zonk
we could not zonk
you could not zonk
they could not zonk 	I could not be zonking
you could not be zonking
she could not be zonking
we could not be zonking
you could not be zonking
they could not be zonking	I could not have zonked
you could not have zonked
she could not have zonked
we could not have zonked
you could not have zonked
they could not have zonked	I could not have been zonking
you could not have been zonking
she could not have been zonking
we could not have been zonking
you could not have been zonking
they could not have been zonking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I zonk?
could you zonk?
could she zonk?
could we zonk?
could you zonk?
could they zonk? 	could I be zonking?
could you be zonking?
could she be zonking?
could we be zonking?
could you be zonking?
could they be zonking? 	could I have zonked?
could you have zonked?
could she have zonked?
could we have zonked?
could you have zonked?
could they have zonked? 	could I have been zonking?
could you have been zonking?
could she have been zonking?
could we have been zonking?
could you have been zonking?
could they have been zonking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not zonk?
could you not zonk?
could she not zonk?
could we not zonk?
could you not zonk?
could they not zonk? 	could I not be zonking?
could you not be zonking?
could she not be zonking?
could we not be zonking?
could you not be zonking?
could they not be zonking? 	could I not have zonked?
could you not have zonked?
could she not have zonked?
could we not have zonked?
could you not have zonked?
could they not have zonked? 	could I not have been zonking?
could you not have been zonking?
could she not have been zonking?
could we not have been zonking?
could you not have been zonking?
could they not have been zonking?