could foul
Verbo regular: foul - fouled- fouled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could foul
you could foul
he could foul
we could foul
you could foul
they could foul 	I could be fouling
you could be fouling
he could be fouling
we could be fouling
you could be fouling
they could be fouling	I could have fouled
you could have fouled
he could have fouled
we could have fouled
you could have fouled
they could have fouled	I could have been fouling
you could have been fouling
he could have been fouling
we could have been fouling
you could have been fouling
they could have been fouling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not foul
you could not foul
he could not foul
we could not foul
you could not foul
they could not foul 	I could not be fouling
you could not be fouling
he could not be fouling
we could not be fouling
you could not be fouling
they could not be fouling	I could not have fouled
you could not have fouled
he could not have fouled
we could not have fouled
you could not have fouled
they could not have fouled	I could not have been fouling
you could not have been fouling
he could not have been fouling
we could not have been fouling
you could not have been fouling
they could not have been fouling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I foul?
could you foul?
could he foul?
could we foul?
could you foul?
could they foul? 	could I be fouling?
could you be fouling?
could he be fouling?
could we be fouling?
could you be fouling?
could they be fouling? 	could I have fouled?
could you have fouled?
could he have fouled?
could we have fouled?
could you have fouled?
could they have fouled? 	could I have been fouling?
could you have been fouling?
could he have been fouling?
could we have been fouling?
could you have been fouling?
could they have been fouling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not foul?
could you not foul?
could he not foul?
could we not foul?
could you not foul?
could they not foul? 	could I not be fouling?
could you not be fouling?
could he not be fouling?
could we not be fouling?
could you not be fouling?
could they not be fouling? 	could I not have fouled?
could you not have fouled?
could he not have fouled?
could we not have fouled?
could you not have fouled?
could they not have fouled? 	could I not have been fouling?
could you not have been fouling?
could he not have been fouling?
could we not have been fouling?
could you not have been fouling?
could they not have been fouling?