could pal
Verbo regular: pal - palled- palled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could pal
you could pal
he could pal
we could pal
you could pal
they could pal 	I could be palling
you could be palling
he could be palling
we could be palling
you could be palling
they could be palling	I could have palled
you could have palled
he could have palled
we could have palled
you could have palled
they could have palled	I could have been palling
you could have been palling
he could have been palling
we could have been palling
you could have been palling
they could have been palling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't pal
you couldn't pal
he couldn't pal
we couldn't pal
you couldn't pal
they couldn't pal 	I couldn't be palling
you couldn't be palling
he couldn't be palling
we couldn't be palling
you couldn't be palling
they couldn't be palling	I couldn't have palled
you couldn't have palled
he couldn't have palled
we couldn't have palled
you couldn't have palled
they couldn't have palled	I couldn't have been palling
you couldn't have been palling
he couldn't have been palling
we couldn't have been palling
you couldn't have been palling
they couldn't have been palling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I pal?
could you pal?
could he pal?
could we pal?
could you pal?
could they pal? 	could I be palling?
could you be palling?
could he be palling?
could we be palling?
could you be palling?
could they be palling? 	could I have palled?
could you have palled?
could he have palled?
could we have palled?
could you have palled?
could they have palled? 	could I have been palling?
could you have been palling?
could he have been palling?
could we have been palling?
could you have been palling?
could they have been palling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I pal?
couldn't you pal?
couldn't he pal?
couldn't we pal?
couldn't you pal?
couldn't they pal? 	couldn't I be palling?
couldn't you be palling?
couldn't he be palling?
couldn't we be palling?
couldn't you be palling?
couldn't they be palling? 	couldn't I have palled?
couldn't you have palled?
couldn't he have palled?
couldn't we have palled?
couldn't you have palled?
couldn't they have palled? 	couldn't I have been palling?
couldn't you have been palling?
couldn't he have been palling?
couldn't we have been palling?
couldn't you have been palling?
couldn't they have been palling?