could burl
Verbo regular: burl - burled- burled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could burl
you could burl
he could burl
we could burl
you could burl
they could burl 	I could be burling
you could be burling
he could be burling
we could be burling
you could be burling
they could be burling	I could have burled
you could have burled
he could have burled
we could have burled
you could have burled
they could have burled	I could have been burling
you could have been burling
he could have been burling
we could have been burling
you could have been burling
they could have been burling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not burl
you could not burl
he could not burl
we could not burl
you could not burl
they could not burl 	I could not be burling
you could not be burling
he could not be burling
we could not be burling
you could not be burling
they could not be burling	I could not have burled
you could not have burled
he could not have burled
we could not have burled
you could not have burled
they could not have burled	I could not have been burling
you could not have been burling
he could not have been burling
we could not have been burling
you could not have been burling
they could not have been burling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I burl?
could you burl?
could he burl?
could we burl?
could you burl?
could they burl? 	could I be burling?
could you be burling?
could he be burling?
could we be burling?
could you be burling?
could they be burling? 	could I have burled?
could you have burled?
could he have burled?
could we have burled?
could you have burled?
could they have burled? 	could I have been burling?
could you have been burling?
could he have been burling?
could we have been burling?
could you have been burling?
could they have been burling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not burl?
could you not burl?
could he not burl?
could we not burl?
could you not burl?
could they not burl? 	could I not be burling?
could you not be burling?
could he not be burling?
could we not be burling?
could you not be burling?
could they not be burling? 	could I not have burled?
could you not have burled?
could he not have burled?
could we not have burled?
could you not have burled?
could they not have burled? 	could I not have been burling?
could you not have been burling?
could he not have been burling?
could we not have been burling?
could you not have been burling?
could they not have been burling?