could desert
Verbo regular: desert - deserted- deserted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could desert
you could desert
he could desert
we could desert
you could desert
they could desert 	I could be deserting
you could be deserting
he could be deserting
we could be deserting
you could be deserting
they could be deserting	I could have deserted
you could have deserted
he could have deserted
we could have deserted
you could have deserted
they could have deserted	I could have been deserting
you could have been deserting
he could have been deserting
we could have been deserting
you could have been deserting
they could have been deserting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't desert
you couldn't desert
he couldn't desert
we couldn't desert
you couldn't desert
they couldn't desert 	I couldn't be deserting
you couldn't be deserting
he couldn't be deserting
we couldn't be deserting
you couldn't be deserting
they couldn't be deserting	I couldn't have deserted
you couldn't have deserted
he couldn't have deserted
we couldn't have deserted
you couldn't have deserted
they couldn't have deserted	I couldn't have been deserting
you couldn't have been deserting
he couldn't have been deserting
we couldn't have been deserting
you couldn't have been deserting
they couldn't have been deserting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I desert?
could you desert?
could he desert?
could we desert?
could you desert?
could they desert? 	could I be deserting?
could you be deserting?
could he be deserting?
could we be deserting?
could you be deserting?
could they be deserting? 	could I have deserted?
could you have deserted?
could he have deserted?
could we have deserted?
could you have deserted?
could they have deserted? 	could I have been deserting?
could you have been deserting?
could he have been deserting?
could we have been deserting?
could you have been deserting?
could they have been deserting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I desert?
couldn't you desert?
couldn't he desert?
couldn't we desert?
couldn't you desert?
couldn't they desert? 	couldn't I be deserting?
couldn't you be deserting?
couldn't he be deserting?
couldn't we be deserting?
couldn't you be deserting?
couldn't they be deserting? 	couldn't I have deserted?
couldn't you have deserted?
couldn't he have deserted?
couldn't we have deserted?
couldn't you have deserted?
couldn't they have deserted? 	couldn't I have been deserting?
couldn't you have been deserting?
couldn't he have been deserting?
couldn't we have been deserting?
couldn't you have been deserting?
couldn't they have been deserting?