could burke
Verbo regular: burke - burked- burked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could burke
you could burke
he could burke
we could burke
you could burke
they could burke 	I could be burking
you could be burking
he could be burking
we could be burking
you could be burking
they could be burking	I could have burked
you could have burked
he could have burked
we could have burked
you could have burked
they could have burked	I could have been burking
you could have been burking
he could have been burking
we could have been burking
you could have been burking
they could have been burking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not burke
you could not burke
he could not burke
we could not burke
you could not burke
they could not burke 	I could not be burking
you could not be burking
he could not be burking
we could not be burking
you could not be burking
they could not be burking	I could not have burked
you could not have burked
he could not have burked
we could not have burked
you could not have burked
they could not have burked	I could not have been burking
you could not have been burking
he could not have been burking
we could not have been burking
you could not have been burking
they could not have been burking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I burke?
could you burke?
could he burke?
could we burke?
could you burke?
could they burke? 	could I be burking?
could you be burking?
could he be burking?
could we be burking?
could you be burking?
could they be burking? 	could I have burked?
could you have burked?
could he have burked?
could we have burked?
could you have burked?
could they have burked? 	could I have been burking?
could you have been burking?
could he have been burking?
could we have been burking?
could you have been burking?
could they have been burking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not burke?
could you not burke?
could he not burke?
could we not burke?
could you not burke?
could they not burke? 	could I not be burking?
could you not be burking?
could he not be burking?
could we not be burking?
could you not be burking?
could they not be burking? 	could I not have burked?
could you not have burked?
could he not have burked?
could we not have burked?
could you not have burked?
could they not have burked? 	could I not have been burking?
could you not have been burking?
could he not have been burking?
could we not have been burking?
could you not have been burking?
could they not have been burking?