ought to cluster
Verbo regolare: cluster - clustered- clustered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto 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	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I oughtn't to cluster
you oughtn't to cluster
he oughtn't to cluster
we oughtn't to cluster
you oughtn't to cluster
they oughtn't to cluster 	I oughtn't to be clustering
you oughtn't to be clustering
he oughtn't to be clustering
we oughtn't to be clustering
you oughtn't to be clustering
they oughtn't to be clustering	I oughtn't to have clustered
you oughtn't to have clustered
he oughtn't to have clustered
we oughtn't to have clustered
you oughtn't to have clustered
they oughtn't to have clustered	I oughtn't to have been clustering
you oughtn't to have been clustering
he oughtn't to have been clustering
we oughtn't to have been clustering
you oughtn't to have been clustering
they oughtn't to have been clustering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto 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 semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
oughtn't I to cluster?
oughtn't you to cluster?
oughtn't he to cluster?
oughtn't we to cluster?
oughtn't you to cluster?
oughtn't they to cluster? 	oughtn't I to be clustering?
oughtn't you to be clustering?
oughtn't he to be clustering?
oughtn't we to be clustering?
oughtn't you to be clustering?
oughtn't they to be clustering? 	oughtn't I to have clustered?
oughtn't you to have clustered?
oughtn't he to have clustered?
oughtn't we to have clustered?
oughtn't you to have clustered?
oughtn't they to have clustered? 	oughtn't I to have been clustering?
oughtn't you to have been clustering?
oughtn't he to have been clustering?
oughtn't we to have been clustering?
oughtn't you to have been clustering?
oughtn't they to have been clustering?