could toil
Verbo regular: toil - toiled- toiled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could toil
you could toil
she could toil
we could toil
you could toil
they could toil 	I could be toiling
you could be toiling
she could be toiling
we could be toiling
you could be toiling
they could be toiling	I could have toiled
you could have toiled
she could have toiled
we could have toiled
you could have toiled
they could have toiled	I could have been toiling
you could have been toiling
she could have been toiling
we could have been toiling
you could have been toiling
they could have been toiling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not toil
you could not toil
she could not toil
we could not toil
you could not toil
they could not toil 	I could not be toiling
you could not be toiling
she could not be toiling
we could not be toiling
you could not be toiling
they could not be toiling	I could not have toiled
you could not have toiled
she could not have toiled
we could not have toiled
you could not have toiled
they could not have toiled	I could not have been toiling
you could not have been toiling
she could not have been toiling
we could not have been toiling
you could not have been toiling
they could not have been toiling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I toil?
could you toil?
could she toil?
could we toil?
could you toil?
could they toil? 	could I be toiling?
could you be toiling?
could she be toiling?
could we be toiling?
could you be toiling?
could they be toiling? 	could I have toiled?
could you have toiled?
could she have toiled?
could we have toiled?
could you have toiled?
could they have toiled? 	could I have been toiling?
could you have been toiling?
could she have been toiling?
could we have been toiling?
could you have been toiling?
could they have been toiling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not toil?
could you not toil?
could she not toil?
could we not toil?
could you not toil?
could they not toil? 	could I not be toiling?
could you not be toiling?
could she not be toiling?
could we not be toiling?
could you not be toiling?
could they not be toiling? 	could I not have toiled?
could you not have toiled?
could she not have toiled?
could we not have toiled?
could you not have toiled?
could they not have toiled? 	could I not have been toiling?
could you not have been toiling?
could she not have been toiling?
could we not have been toiling?
could you not have been toiling?
could they not have been toiling?