could orphan
Verbo regular: orphan - orphaned- orphaned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could orphan
you could orphan
he could orphan
we could orphan
you could orphan
they could orphan 	I could be orphaning
you could be orphaning
he could be orphaning
we could be orphaning
you could be orphaning
they could be orphaning	I could have orphaned
you could have orphaned
he could have orphaned
we could have orphaned
you could have orphaned
they could have orphaned	I could have been orphaning
you could have been orphaning
he could have been orphaning
we could have been orphaning
you could have been orphaning
they could have been orphaning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not orphan
you could not orphan
he could not orphan
we could not orphan
you could not orphan
they could not orphan 	I could not be orphaning
you could not be orphaning
he could not be orphaning
we could not be orphaning
you could not be orphaning
they could not be orphaning	I could not have orphaned
you could not have orphaned
he could not have orphaned
we could not have orphaned
you could not have orphaned
they could not have orphaned	I could not have been orphaning
you could not have been orphaning
he could not have been orphaning
we could not have been orphaning
you could not have been orphaning
they could not have been orphaning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I orphan?
could you orphan?
could he orphan?
could we orphan?
could you orphan?
could they orphan? 	could I be orphaning?
could you be orphaning?
could he be orphaning?
could we be orphaning?
could you be orphaning?
could they be orphaning? 	could I have orphaned?
could you have orphaned?
could he have orphaned?
could we have orphaned?
could you have orphaned?
could they have orphaned? 	could I have been orphaning?
could you have been orphaning?
could he have been orphaning?
could we have been orphaning?
could you have been orphaning?
could they have been orphaning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not orphan?
could you not orphan?
could he not orphan?
could we not orphan?
could you not orphan?
could they not orphan? 	could I not be orphaning?
could you not be orphaning?
could he not be orphaning?
could we not be orphaning?
could you not be orphaning?
could they not be orphaning? 	could I not have orphaned?
could you not have orphaned?
could he not have orphaned?
could we not have orphaned?
could you not have orphaned?
could they not have orphaned? 	could I not have been orphaning?
could you not have been orphaning?
could he not have been orphaning?
could we not have been orphaning?
could you not have been orphaning?
could they not have been orphaning?