ought to shiver
Regular verb: shiver - shivered- shivered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to shiver
you ought to shiver
he ought to shiver
we ought to shiver
you ought to shiver
they ought to shiver 	I ought to be shivering
you ought to be shivering
he ought to be shivering
we ought to be shivering
you ought to be shivering
they ought to be shivering	I ought to have shivered
you ought to have shivered
he ought to have shivered
we ought to have shivered
you ought to have shivered
they ought to have shivered	I ought to have been shivering
you ought to have been shivering
he ought to have been shivering
we ought to have been shivering
you ought to have been shivering
they ought to have been shivering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to shiver
you ought not to shiver
he ought not to shiver
we ought not to shiver
you ought not to shiver
they ought not to shiver 	I ought not to shivering
you ought not to shivering
he ought not to shivering
we ought not to shivering
you ought not to shivering
they ought not to shivering	I ought not to have shivered
you ought not to have shivered
he ought not to have shivered
we ought not to have shivered
you ought not to have shivered
they ought not to have shivered	I ought not to have been shivering
you ought not to have been shivering
he ought not to have been shivering
we ought not to have been shivering
you ought not to have been shivering
they ought not to have been shivering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I shiver?
ought to you shiver?
ought to he shiver?
ought to we shiver?
ought to you shiver?
ought to they shiver? 	ought to I be shivering?
ought to you be shivering?
ought to he be shivering?
ought to we be shivering?
ought to you be shivering?
ought to they be shivering? 	ought to I have shivered?
ought to you have shivered?
ought to he have shivered?
ought to we have shivered?
ought to you have shivered?
ought to they have shivered? 	ought to I have been shivering?
ought to you have been shivering?
ought to he have been shivering?
ought to we have been shivering?
ought to you have been shivering?
ought to they have been shivering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to shiver?
ought you not to shiver?
ought he not to shiver?
ought we not to shiver?
ought you not to shiver?
ought they not to shiver? 	ought I not to be shivering?
ought you not to be shivering?
ought he not to be shivering?
ought we not to be shivering?
ought you not to be shivering?
ought they not to be shivering? 	ought I not to have shivered?
ought you not to have shivered?
ought he not to have shivered?
ought we not to have shivered?
ought you not to have shivered?
ought they not to have shivered? 	ought I not to have been shivering?
ought you not to have been shivering?
ought he not to have been shivering?
ought we not to have been shivering?
ought you not to have been shivering?
ought they not to have been shivering?