ought to leister
Regular verb: leister - leistered- leistered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to leister
you ought to leister
he ought to leister
we ought to leister
you ought to leister
they ought to leister 	I ought to be leistering
you ought to be leistering
he ought to be leistering
we ought to be leistering
you ought to be leistering
they ought to be leistering	I ought to have leistered
you ought to have leistered
he ought to have leistered
we ought to have leistered
you ought to have leistered
they ought to have leistered	I ought to have been leistering
you ought to have been leistering
he ought to have been leistering
we ought to have been leistering
you ought to have been leistering
they ought to have been leistering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to leister
you oughtn't to leister
he oughtn't to leister
we oughtn't to leister
you oughtn't to leister
they oughtn't to leister 	I oughtn't to be leistering
you oughtn't to be leistering
he oughtn't to be leistering
we oughtn't to be leistering
you oughtn't to be leistering
they oughtn't to be leistering	I oughtn't to have leistered
you oughtn't to have leistered
he oughtn't to have leistered
we oughtn't to have leistered
you oughtn't to have leistered
they oughtn't to have leistered	I oughtn't to have been leistering
you oughtn't to have been leistering
he oughtn't to have been leistering
we oughtn't to have been leistering
you oughtn't to have been leistering
they oughtn't to have been leistering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I leister?
ought to you leister?
ought to he leister?
ought to we leister?
ought to you leister?
ought to they leister? 	ought to I be leistering?
ought to you be leistering?
ought to he be leistering?
ought to we be leistering?
ought to you be leistering?
ought to they be leistering? 	ought to I have leistered?
ought to you have leistered?
ought to he have leistered?
ought to we have leistered?
ought to you have leistered?
ought to they have leistered? 	ought to I have been leistering?
ought to you have been leistering?
ought to he have been leistering?
ought to we have been leistering?
ought to you have been leistering?
ought to they have been leistering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to leister?
oughtn't you to leister?
oughtn't he to leister?
oughtn't we to leister?
oughtn't you to leister?
oughtn't they to leister? 	oughtn't I to be leistering?
oughtn't you to be leistering?
oughtn't he to be leistering?
oughtn't we to be leistering?
oughtn't you to be leistering?
oughtn't they to be leistering? 	oughtn't I to have leistered?
oughtn't you to have leistered?
oughtn't he to have leistered?
oughtn't we to have leistered?
oughtn't you to have leistered?
oughtn't they to have leistered? 	oughtn't I to have been leistering?
oughtn't you to have been leistering?
oughtn't he to have been leistering?
oughtn't we to have been leistering?
oughtn't you to have been leistering?
oughtn't they to have been leistering?