ought to interpret
Regular verb: interpret - interpreted- interpreted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to interpret
you ought to interpret
he ought to interpret
we ought to interpret
you ought to interpret
they ought to interpret 	I ought to be interpreting
you ought to be interpreting
he ought to be interpreting
we ought to be interpreting
you ought to be interpreting
they ought to be interpreting	I ought to have interpreted
you ought to have interpreted
he ought to have interpreted
we ought to have interpreted
you ought to have interpreted
they ought to have interpreted	I ought to have been interpreting
you ought to have been interpreting
he ought to have been interpreting
we ought to have been interpreting
you ought to have been interpreting
they ought to have been interpreting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to interpret
you oughtn't to interpret
he oughtn't to interpret
we oughtn't to interpret
you oughtn't to interpret
they oughtn't to interpret 	I oughtn't to be interpreting
you oughtn't to be interpreting
he oughtn't to be interpreting
we oughtn't to be interpreting
you oughtn't to be interpreting
they oughtn't to be interpreting	I oughtn't to have interpreted
you oughtn't to have interpreted
he oughtn't to have interpreted
we oughtn't to have interpreted
you oughtn't to have interpreted
they oughtn't to have interpreted	I oughtn't to have been interpreting
you oughtn't to have been interpreting
he oughtn't to have been interpreting
we oughtn't to have been interpreting
you oughtn't to have been interpreting
they oughtn't to have been interpreting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I interpret?
ought to you interpret?
ought to he interpret?
ought to we interpret?
ought to you interpret?
ought to they interpret? 	ought to I be interpreting?
ought to you be interpreting?
ought to he be interpreting?
ought to we be interpreting?
ought to you be interpreting?
ought to they be interpreting? 	ought to I have interpreted?
ought to you have interpreted?
ought to he have interpreted?
ought to we have interpreted?
ought to you have interpreted?
ought to they have interpreted? 	ought to I have been interpreting?
ought to you have been interpreting?
ought to he have been interpreting?
ought to we have been interpreting?
ought to you have been interpreting?
ought to they have been interpreting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to interpret?
oughtn't you to interpret?
oughtn't he to interpret?
oughtn't we to interpret?
oughtn't you to interpret?
oughtn't they to interpret? 	oughtn't I to be interpreting?
oughtn't you to be interpreting?
oughtn't he to be interpreting?
oughtn't we to be interpreting?
oughtn't you to be interpreting?
oughtn't they to be interpreting? 	oughtn't I to have interpreted?
oughtn't you to have interpreted?
oughtn't he to have interpreted?
oughtn't we to have interpreted?
oughtn't you to have interpreted?
oughtn't they to have interpreted? 	oughtn't I to have been interpreting?
oughtn't you to have been interpreting?
oughtn't he to have been interpreting?
oughtn't we to have been interpreting?
oughtn't you to have been interpreting?
oughtn't they to have been interpreting?