can shiver
Verbo regular: shiver - shivered- shivered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can shiver
you can shiver
he can shiver
we can shiver
you can shiver
they can shiver 	I can be shivering
you can be shivering
he can be shivering
we can be shivering
you can be shivering
they can be shivering	I can have shivered
you can have shivered
he can have shivered
we can have shivered
you can have shivered
they can have shivered	I can have been shivering
you can have been shivering
he can have been shivering
we can have been shivering
you can have been shivering
they can have been shivering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot shiver
you cannot shiver
he cannot shiver
we cannot shiver
you cannot shiver
they cannot shiver 	I cannot be shivering
you cannot be shivering
he cannot be shivering
we cannot be shivering
you cannot be shivering
they cannot be shivering	I cannot have shivered
you cannot have shivered
he cannot have shivered
we cannot have shivered
you cannot have shivered
they cannot have shivered	I cannot have been shivering
you cannot have been shivering
he cannot have been shivering
we cannot have been shivering
you cannot have been shivering
they cannot have been shivering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I shiver?
can you shiver?
can he shiver?
can we shiver?
can you shiver?
can they shiver? 	can I be shivering?
can you be shivering?
can he be shivering?
can we be shivering?
can you be shivering?
can they be shivering? 	can I have shivered?
can you have shivered?
can he have shivered?
can we have shivered?
can you have shivered?
can they have shivered? 	can I have been shivering?
can you have been shivering?
can he have been shivering?
can we have been shivering?
can you have been shivering?
can they have been shivering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not shiver?
can you not shiver?
can he not shiver?
can we not shiver?
can you not shiver?
can they not shiver? 	can I not be shivering?
can you not be shivering?
can he not be shivering?
can we not be shivering?
can you not be shivering?
can they not be shivering? 	can I not have shivered?
can you not have shivered?
can he not have shivered?
can we not have shivered?
can you not have shivered?
can they not have shivered? 	can I not have been shivering?
can you not have been shivering?
can he not have been shivering?
can we not have been shivering?
can you not have been shivering?
can they not have been shivering?