could uncover
Verbo regular: uncover - uncovered- uncovered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could uncover
you could uncover
he could uncover
we could uncover
you could uncover
they could uncover 	I could be uncovering
you could be uncovering
he could be uncovering
we could be uncovering
you could be uncovering
they could be uncovering	I could have uncovered
you could have uncovered
he could have uncovered
we could have uncovered
you could have uncovered
they could have uncovered	I could have been uncovering
you could have been uncovering
he could have been uncovering
we could have been uncovering
you could have been uncovering
they could have been uncovering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't uncover
you couldn't uncover
he couldn't uncover
we couldn't uncover
you couldn't uncover
they couldn't uncover 	I couldn't be uncovering
you couldn't be uncovering
he couldn't be uncovering
we couldn't be uncovering
you couldn't be uncovering
they couldn't be uncovering	I couldn't have uncovered
you couldn't have uncovered
he couldn't have uncovered
we couldn't have uncovered
you couldn't have uncovered
they couldn't have uncovered	I couldn't have been uncovering
you couldn't have been uncovering
he couldn't have been uncovering
we couldn't have been uncovering
you couldn't have been uncovering
they couldn't have been uncovering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I uncover?
could you uncover?
could he uncover?
could we uncover?
could you uncover?
could they uncover? 	could I be uncovering?
could you be uncovering?
could he be uncovering?
could we be uncovering?
could you be uncovering?
could they be uncovering? 	could I have uncovered?
could you have uncovered?
could he have uncovered?
could we have uncovered?
could you have uncovered?
could they have uncovered? 	could I have been uncovering?
could you have been uncovering?
could he have been uncovering?
could we have been uncovering?
could you have been uncovering?
could they have been uncovering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I uncover?
couldn't you uncover?
couldn't he uncover?
couldn't we uncover?
couldn't you uncover?
couldn't they uncover? 	couldn't I be uncovering?
couldn't you be uncovering?
couldn't he be uncovering?
couldn't we be uncovering?
couldn't you be uncovering?
couldn't they be uncovering? 	couldn't I have uncovered?
couldn't you have uncovered?
couldn't he have uncovered?
couldn't we have uncovered?
couldn't you have uncovered?
couldn't they have uncovered? 	couldn't I have been uncovering?
couldn't you have been uncovering?
couldn't he have been uncovering?
couldn't we have been uncovering?
couldn't you have been uncovering?
couldn't they have been uncovering?