ought to cluster
Verbo regular: cluster - clustered- clustered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to cluster
you ought to cluster
he ought to cluster
we ought to cluster
you ought to cluster
they ought to cluster 	I ought to be clustering
you ought to be clustering
he ought to be clustering
we ought to be clustering
you ought to be clustering
they ought to be clustering	I ought to have clustered
you ought to have clustered
he ought to have clustered
we ought to have clustered
you ought to have clustered
they ought to have clustered	I ought to have been clustering
you ought to have been clustering
he ought to have been clustering
we ought to have been clustering
you ought to have been clustering
they ought to have been clustering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to cluster
you ought not to cluster
he ought not to cluster
we ought not to cluster
you ought not to cluster
they ought not to cluster 	I ought not to clustering
you ought not to clustering
he ought not to clustering
we ought not to clustering
you ought not to clustering
they ought not to clustering	I ought not to have clustered
you ought not to have clustered
he ought not to have clustered
we ought not to have clustered
you ought not to have clustered
they ought not to have clustered	I ought not to have been clustering
you ought not to have been clustering
he ought not to have been clustering
we ought not to have been clustering
you ought not to have been clustering
they ought not to have been clustering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I cluster?
ought to you cluster?
ought to he cluster?
ought to we cluster?
ought to you cluster?
ought to they cluster? 	ought to I be clustering?
ought to you be clustering?
ought to he be clustering?
ought to we be clustering?
ought to you be clustering?
ought to they be clustering? 	ought to I have clustered?
ought to you have clustered?
ought to he have clustered?
ought to we have clustered?
ought to you have clustered?
ought to they have clustered? 	ought to I have been clustering?
ought to you have been clustering?
ought to he have been clustering?
ought to we have been clustering?
ought to you have been clustering?
ought to they have been clustering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to cluster?
ought you not to cluster?
ought he not to cluster?
ought we not to cluster?
ought you not to cluster?
ought they not to cluster? 	ought I not to be clustering?
ought you not to be clustering?
ought he not to be clustering?
ought we not to be clustering?
ought you not to be clustering?
ought they not to be clustering? 	ought I not to have clustered?
ought you not to have clustered?
ought he not to have clustered?
ought we not to have clustered?
ought you not to have clustered?
ought they not to have clustered? 	ought I not to have been clustering?
ought you not to have been clustering?
ought he not to have been clustering?
ought we not to have been clustering?
ought you not to have been clustering?
ought they not to have been clustering?