ought to quiver
Verbo regular: quiver - quivered- quivered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to quiver
you ought to quiver
he ought to quiver
we ought to quiver
you ought to quiver
they ought to quiver 	I ought to be quivering
you ought to be quivering
he ought to be quivering
we ought to be quivering
you ought to be quivering
they ought to be quivering	I ought to have quivered
you ought to have quivered
he ought to have quivered
we ought to have quivered
you ought to have quivered
they ought to have quivered	I ought to have been quivering
you ought to have been quivering
he ought to have been quivering
we ought to have been quivering
you ought to have been quivering
they ought to have been quivering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to quiver
you ought not to quiver
he ought not to quiver
we ought not to quiver
you ought not to quiver
they ought not to quiver 	I ought not to quivering
you ought not to quivering
he ought not to quivering
we ought not to quivering
you ought not to quivering
they ought not to quivering	I ought not to have quivered
you ought not to have quivered
he ought not to have quivered
we ought not to have quivered
you ought not to have quivered
they ought not to have quivered	I ought not to have been quivering
you ought not to have been quivering
he ought not to have been quivering
we ought not to have been quivering
you ought not to have been quivering
they ought not to have been quivering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I quiver?
ought to you quiver?
ought to he quiver?
ought to we quiver?
ought to you quiver?
ought to they quiver? 	ought to I be quivering?
ought to you be quivering?
ought to he be quivering?
ought to we be quivering?
ought to you be quivering?
ought to they be quivering? 	ought to I have quivered?
ought to you have quivered?
ought to he have quivered?
ought to we have quivered?
ought to you have quivered?
ought to they have quivered? 	ought to I have been quivering?
ought to you have been quivering?
ought to he have been quivering?
ought to we have been quivering?
ought to you have been quivering?
ought to they have been quivering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to quiver?
ought you not to quiver?
ought he not to quiver?
ought we not to quiver?
ought you not to quiver?
ought they not to quiver? 	ought I not to be quivering?
ought you not to be quivering?
ought he not to be quivering?
ought we not to be quivering?
ought you not to be quivering?
ought they not to be quivering? 	ought I not to have quivered?
ought you not to have quivered?
ought he not to have quivered?
ought we not to have quivered?
ought you not to have quivered?
ought they not to have quivered? 	ought I not to have been quivering?
ought you not to have been quivering?
ought he not to have been quivering?
ought we not to have been quivering?
ought you not to have been quivering?
ought they not to have been quivering?