could trawl
Verbo regular: trawl - trawled- trawled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could trawl
you could trawl
he could trawl
we could trawl
you could trawl
they could trawl 	I could be trawling
you could be trawling
he could be trawling
we could be trawling
you could be trawling
they could be trawling	I could have trawled
you could have trawled
he could have trawled
we could have trawled
you could have trawled
they could have trawled	I could have been trawling
you could have been trawling
he could have been trawling
we could have been trawling
you could have been trawling
they could have been trawling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not trawl
you could not trawl
he could not trawl
we could not trawl
you could not trawl
they could not trawl 	I could not be trawling
you could not be trawling
he could not be trawling
we could not be trawling
you could not be trawling
they could not be trawling	I could not have trawled
you could not have trawled
he could not have trawled
we could not have trawled
you could not have trawled
they could not have trawled	I could not have been trawling
you could not have been trawling
he could not have been trawling
we could not have been trawling
you could not have been trawling
they could not have been trawling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I trawl?
could you trawl?
could he trawl?
could we trawl?
could you trawl?
could they trawl? 	could I be trawling?
could you be trawling?
could he be trawling?
could we be trawling?
could you be trawling?
could they be trawling? 	could I have trawled?
could you have trawled?
could he have trawled?
could we have trawled?
could you have trawled?
could they have trawled? 	could I have been trawling?
could you have been trawling?
could he have been trawling?
could we have been trawling?
could you have been trawling?
could they have been trawling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not trawl?
could you not trawl?
could he not trawl?
could we not trawl?
could you not trawl?
could they not trawl? 	could I not be trawling?
could you not be trawling?
could he not be trawling?
could we not be trawling?
could you not be trawling?
could they not be trawling? 	could I not have trawled?
could you not have trawled?
could he not have trawled?
could we not have trawled?
could you not have trawled?
could they not have trawled? 	could I not have been trawling?
could you not have been trawling?
could he not have been trawling?
could we not have been trawling?
could you not have been trawling?
could they not have been trawling?