could trolley
Verbo regular: trolley - trolleyed- trolleyed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could trolley
you could trolley
he could trolley
we could trolley
you could trolley
they could trolley 	I could be trolleying
you could be trolleying
he could be trolleying
we could be trolleying
you could be trolleying
they could be trolleying	I could have trolleyed
you could have trolleyed
he could have trolleyed
we could have trolleyed
you could have trolleyed
they could have trolleyed	I could have been trolleying
you could have been trolleying
he could have been trolleying
we could have been trolleying
you could have been trolleying
they could have been trolleying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not trolley
you could not trolley
he could not trolley
we could not trolley
you could not trolley
they could not trolley 	I could not be trolleying
you could not be trolleying
he could not be trolleying
we could not be trolleying
you could not be trolleying
they could not be trolleying	I could not have trolleyed
you could not have trolleyed
he could not have trolleyed
we could not have trolleyed
you could not have trolleyed
they could not have trolleyed	I could not have been trolleying
you could not have been trolleying
he could not have been trolleying
we could not have been trolleying
you could not have been trolleying
they could not have been trolleying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I trolley?
could you trolley?
could he trolley?
could we trolley?
could you trolley?
could they trolley? 	could I be trolleying?
could you be trolleying?
could he be trolleying?
could we be trolleying?
could you be trolleying?
could they be trolleying? 	could I have trolleyed?
could you have trolleyed?
could he have trolleyed?
could we have trolleyed?
could you have trolleyed?
could they have trolleyed? 	could I have been trolleying?
could you have been trolleying?
could he have been trolleying?
could we have been trolleying?
could you have been trolleying?
could they have been trolleying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not trolley?
could you not trolley?
could he not trolley?
could we not trolley?
could you not trolley?
could they not trolley? 	could I not be trolleying?
could you not be trolleying?
could he not be trolleying?
could we not be trolleying?
could you not be trolleying?
could they not be trolleying? 	could I not have trolleyed?
could you not have trolleyed?
could he not have trolleyed?
could we not have trolleyed?
could you not have trolleyed?
could they not have trolleyed? 	could I not have been trolleying?
could you not have been trolleying?
could he not have been trolleying?
could we not have been trolleying?
could you not have been trolleying?
could they not have been trolleying?