could interpervade
Verbo regular: interpervade - interpervaded- interpervaded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could interpervade
you could interpervade
he could interpervade
we could interpervade
you could interpervade
they could interpervade 	I could be interpervading
you could be interpervading
he could be interpervading
we could be interpervading
you could be interpervading
they could be interpervading	I could have interpervaded
you could have interpervaded
he could have interpervaded
we could have interpervaded
you could have interpervaded
they could have interpervaded	I could have been interpervading
you could have been interpervading
he could have been interpervading
we could have been interpervading
you could have been interpervading
they could have been interpervading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't interpervade
you couldn't interpervade
he couldn't interpervade
we couldn't interpervade
you couldn't interpervade
they couldn't interpervade 	I couldn't be interpervading
you couldn't be interpervading
he couldn't be interpervading
we couldn't be interpervading
you couldn't be interpervading
they couldn't be interpervading	I couldn't have interpervaded
you couldn't have interpervaded
he couldn't have interpervaded
we couldn't have interpervaded
you couldn't have interpervaded
they couldn't have interpervaded	I couldn't have been interpervading
you couldn't have been interpervading
he couldn't have been interpervading
we couldn't have been interpervading
you couldn't have been interpervading
they couldn't have been interpervading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I interpervade?
could you interpervade?
could he interpervade?
could we interpervade?
could you interpervade?
could they interpervade? 	could I be interpervading?
could you be interpervading?
could he be interpervading?
could we be interpervading?
could you be interpervading?
could they be interpervading? 	could I have interpervaded?
could you have interpervaded?
could he have interpervaded?
could we have interpervaded?
could you have interpervaded?
could they have interpervaded? 	could I have been interpervading?
could you have been interpervading?
could he have been interpervading?
could we have been interpervading?
could you have been interpervading?
could they have been interpervading? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I interpervade?
couldn't you interpervade?
couldn't he interpervade?
couldn't we interpervade?
couldn't you interpervade?
couldn't they interpervade? 	couldn't I be interpervading?
couldn't you be interpervading?
couldn't he be interpervading?
couldn't we be interpervading?
couldn't you be interpervading?
couldn't they be interpervading? 	couldn't I have interpervaded?
couldn't you have interpervaded?
couldn't he have interpervaded?
couldn't we have interpervaded?
couldn't you have interpervaded?
couldn't they have interpervaded? 	couldn't I have been interpervading?
couldn't you have been interpervading?
couldn't he have been interpervading?
couldn't we have been interpervading?
couldn't you have been interpervading?
couldn't they have been interpervading?