ought to sum
Verbo regolare: sum - summed- summed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought to sum
you ought to sum
he ought to sum
we ought to sum
you ought to sum
they ought to sum 	I ought to be summing
you ought to be summing
he ought to be summing
we ought to be summing
you ought to be summing
they ought to be summing	I ought to have summed
you ought to have summed
he ought to have summed
we ought to have summed
you ought to have summed
they ought to have summed	I ought to have been summing
you ought to have been summing
he ought to have been summing
we ought to have been summing
you ought to have been summing
they ought to have been summing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I oughtn't to sum
you oughtn't to sum
he oughtn't to sum
we oughtn't to sum
you oughtn't to sum
they oughtn't to sum 	I oughtn't to be summing
you oughtn't to be summing
he oughtn't to be summing
we oughtn't to be summing
you oughtn't to be summing
they oughtn't to be summing	I oughtn't to have summed
you oughtn't to have summed
he oughtn't to have summed
we oughtn't to have summed
you oughtn't to have summed
they oughtn't to have summed	I oughtn't to have been summing
you oughtn't to have been summing
he oughtn't to have been summing
we oughtn't to have been summing
you oughtn't to have been summing
they oughtn't to have been summing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought to I sum?
ought to you sum?
ought to he sum?
ought to we sum?
ought to you sum?
ought to they sum? 	ought to I be summing?
ought to you be summing?
ought to he be summing?
ought to we be summing?
ought to you be summing?
ought to they be summing? 	ought to I have summed?
ought to you have summed?
ought to he have summed?
ought to we have summed?
ought to you have summed?
ought to they have summed? 	ought to I have been summing?
ought to you have been summing?
ought to he have been summing?
ought to we have been summing?
ought to you have been summing?
ought to they have been summing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
oughtn't I to sum?
oughtn't you to sum?
oughtn't he to sum?
oughtn't we to sum?
oughtn't you to sum?
oughtn't they to sum? 	oughtn't I to be summing?
oughtn't you to be summing?
oughtn't he to be summing?
oughtn't we to be summing?
oughtn't you to be summing?
oughtn't they to be summing? 	oughtn't I to have summed?
oughtn't you to have summed?
oughtn't he to have summed?
oughtn't we to have summed?
oughtn't you to have summed?
oughtn't they to have summed? 	oughtn't I to have been summing?
oughtn't you to have been summing?
oughtn't he to have been summing?
oughtn't we to have been summing?
oughtn't you to have been summing?
oughtn't they to have been summing?