ought to shorten
Regular verb: shorten - shortened- shortened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to shorten
you ought to shorten
she ought to shorten
we ought to shorten
you ought to shorten
they ought to shorten 	I ought to be shortening
you ought to be shortening
she ought to be shortening
we ought to be shortening
you ought to be shortening
they ought to be shortening	I ought to have shortened
you ought to have shortened
she ought to have shortened
we ought to have shortened
you ought to have shortened
they ought to have shortened	I ought to have been shortening
you ought to have been shortening
she ought to have been shortening
we ought to have been shortening
you ought to have been shortening
they ought to have been shortening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to shorten
you oughtn't to shorten
she oughtn't to shorten
we oughtn't to shorten
you oughtn't to shorten
they oughtn't to shorten 	I oughtn't to be shortening
you oughtn't to be shortening
she oughtn't to be shortening
we oughtn't to be shortening
you oughtn't to be shortening
they oughtn't to be shortening	I oughtn't to have shortened
you oughtn't to have shortened
she oughtn't to have shortened
we oughtn't to have shortened
you oughtn't to have shortened
they oughtn't to have shortened	I oughtn't to have been shortening
you oughtn't to have been shortening
she oughtn't to have been shortening
we oughtn't to have been shortening
you oughtn't to have been shortening
they oughtn't to have been shortening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I shorten?
ought to you shorten?
ought to she shorten?
ought to we shorten?
ought to you shorten?
ought to they shorten? 	ought to I be shortening?
ought to you be shortening?
ought to she be shortening?
ought to we be shortening?
ought to you be shortening?
ought to they be shortening? 	ought to I have shortened?
ought to you have shortened?
ought to she have shortened?
ought to we have shortened?
ought to you have shortened?
ought to they have shortened? 	ought to I have been shortening?
ought to you have been shortening?
ought to she have been shortening?
ought to we have been shortening?
ought to you have been shortening?
ought to they have been shortening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to shorten?
oughtn't you to shorten?
oughtn't she to shorten?
oughtn't we to shorten?
oughtn't you to shorten?
oughtn't they to shorten? 	oughtn't I to be shortening?
oughtn't you to be shortening?
oughtn't she to be shortening?
oughtn't we to be shortening?
oughtn't you to be shortening?
oughtn't they to be shortening? 	oughtn't I to have shortened?
oughtn't you to have shortened?
oughtn't she to have shortened?
oughtn't we to have shortened?
oughtn't you to have shortened?
oughtn't they to have shortened? 	oughtn't I to have been shortening?
oughtn't you to have been shortening?
oughtn't she to have been shortening?
oughtn't we to have been shortening?
oughtn't you to have been shortening?
oughtn't they to have been shortening?