English verb conjugation
OUGHT TO LEISTER

Regular verb: leister - leistered - leistered

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?