could emplane
Verbo regular: emplane - emplaned- emplaned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could emplane
you could emplane
he could emplane
we could emplane
you could emplane
they could emplane 	I could be emplaning
you could be emplaning
he could be emplaning
we could be emplaning
you could be emplaning
they could be emplaning	I could have emplaned
you could have emplaned
he could have emplaned
we could have emplaned
you could have emplaned
they could have emplaned	I could have been emplaning
you could have been emplaning
he could have been emplaning
we could have been emplaning
you could have been emplaning
they could have been emplaning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't emplane
you couldn't emplane
he couldn't emplane
we couldn't emplane
you couldn't emplane
they couldn't emplane 	I couldn't be emplaning
you couldn't be emplaning
he couldn't be emplaning
we couldn't be emplaning
you couldn't be emplaning
they couldn't be emplaning	I couldn't have emplaned
you couldn't have emplaned
he couldn't have emplaned
we couldn't have emplaned
you couldn't have emplaned
they couldn't have emplaned	I couldn't have been emplaning
you couldn't have been emplaning
he couldn't have been emplaning
we couldn't have been emplaning
you couldn't have been emplaning
they couldn't have been emplaning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I emplane?
could you emplane?
could he emplane?
could we emplane?
could you emplane?
could they emplane? 	could I be emplaning?
could you be emplaning?
could he be emplaning?
could we be emplaning?
could you be emplaning?
could they be emplaning? 	could I have emplaned?
could you have emplaned?
could he have emplaned?
could we have emplaned?
could you have emplaned?
could they have emplaned? 	could I have been emplaning?
could you have been emplaning?
could he have been emplaning?
could we have been emplaning?
could you have been emplaning?
could they have been emplaning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I emplane?
couldn't you emplane?
couldn't he emplane?
couldn't we emplane?
couldn't you emplane?
couldn't they emplane? 	couldn't I be emplaning?
couldn't you be emplaning?
couldn't he be emplaning?
couldn't we be emplaning?
couldn't you be emplaning?
couldn't they be emplaning? 	couldn't I have emplaned?
couldn't you have emplaned?
couldn't he have emplaned?
couldn't we have emplaned?
couldn't you have emplaned?
couldn't they have emplaned? 	couldn't I have been emplaning?
couldn't you have been emplaning?
couldn't he have been emplaning?
couldn't we have been emplaning?
couldn't you have been emplaning?
couldn't they have been emplaning?