ought to prolong
Verbo regolare: prolong - prolonged- prolonged

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought to prolong
you ought to prolong
he ought to prolong
we ought to prolong
you ought to prolong
they ought to prolong 	I ought to be prolonging
you ought to be prolonging
he ought to be prolonging
we ought to be prolonging
you ought to be prolonging
they ought to be prolonging	I ought to have prolonged
you ought to have prolonged
he ought to have prolonged
we ought to have prolonged
you ought to have prolonged
they ought to have prolonged	I ought to have been prolonging
you ought to have been prolonging
he ought to have been prolonging
we ought to have been prolonging
you ought to have been prolonging
they ought to have been prolonging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought not to prolong
you ought not to prolong
he ought not to prolong
we ought not to prolong
you ought not to prolong
they ought not to prolong 	I ought not to prolonging
you ought not to prolonging
he ought not to prolonging
we ought not to prolonging
you ought not to prolonging
they ought not to prolonging	I ought not to have prolonged
you ought not to have prolonged
he ought not to have prolonged
we ought not to have prolonged
you ought not to have prolonged
they ought not to have prolonged	I ought not to have been prolonging
you ought not to have been prolonging
he ought not to have been prolonging
we ought not to have been prolonging
you ought not to have been prolonging
they ought not to have been prolonging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought to I prolong?
ought to you prolong?
ought to he prolong?
ought to we prolong?
ought to you prolong?
ought to they prolong? 	ought to I be prolonging?
ought to you be prolonging?
ought to he be prolonging?
ought to we be prolonging?
ought to you be prolonging?
ought to they be prolonging? 	ought to I have prolonged?
ought to you have prolonged?
ought to he have prolonged?
ought to we have prolonged?
ought to you have prolonged?
ought to they have prolonged? 	ought to I have been prolonging?
ought to you have been prolonging?
ought to he have been prolonging?
ought to we have been prolonging?
ought to you have been prolonging?
ought to they have been prolonging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought I not to prolong?
ought you not to prolong?
ought he not to prolong?
ought we not to prolong?
ought you not to prolong?
ought they not to prolong? 	ought I not to be prolonging?
ought you not to be prolonging?
ought he not to be prolonging?
ought we not to be prolonging?
ought you not to be prolonging?
ought they not to be prolonging? 	ought I not to have prolonged?
ought you not to have prolonged?
ought he not to have prolonged?
ought we not to have prolonged?
ought you not to have prolonged?
ought they not to have prolonged? 	ought I not to have been prolonging?
ought you not to have been prolonging?
ought he not to have been prolonging?
ought we not to have been prolonging?
ought you not to have been prolonging?
ought they not to have been prolonging?