English verb conjugation
OUGHT TO UNLATCH

Regular verb: unlatch - unlatched - unlatched

Affirmation

Simple form	V-ing form
I ought to unlatch you ought to unlatch he ought to unlatch we ought to unlatch you ought to unlatch they ought to unlatch	I ought to be unlatching you ought to be unlatching he ought to be unlatching we ought to be unlatching you ought to be unlatching they ought to be unlatching
Perfect	V-ing perfect
I ought to have unlatched you ought to have unlatched he ought to have unlatched we ought to have unlatched you ought to have unlatched they ought to have unlatched	I ought to have been unlatching you ought to have been unlatching he ought to have been unlatching we ought to have been unlatching you ought to have been unlatching they ought to have been unlatching

Negation

Simple form	V-ing form
I oughtn't to unlatch you oughtn't to unlatch he oughtn't to unlatch we oughtn't to unlatch you oughtn't to unlatch they oughtn't to unlatch	I oughtn't to be unlatching you oughtn't to be unlatching he oughtn't to be unlatching we oughtn't to be unlatching you oughtn't to be unlatching they oughtn't to be unlatching
Perfect	V-ing perfect
I oughtn't to have unlatched you oughtn't to have unlatched he oughtn't to have unlatched we oughtn't to have unlatched you oughtn't to have unlatched they oughtn't to have unlatched	I oughtn't to have been unlatching you oughtn't to have been unlatching he oughtn't to have been unlatching we oughtn't to have been unlatching you oughtn't to have been unlatching they oughtn't to have been unlatching

Interrogative form

Simple form	V-ing form
ought to I unlatch? ought to you unlatch? ought to he unlatch? ought to we unlatch? ought to you unlatch? ought to they unlatch?	ought to I be unlatching? ought to you be unlatching? ought to he be unlatching? ought to we be unlatching? ought to you be unlatching? ought to they be unlatching?
Perfect	V-ing perfect
ought to I have unlatched? ought to you have unlatched? ought to he have unlatched? ought to we have unlatched? ought to you have unlatched? ought to they have unlatched?	ought to I have been unlatching? ought to you have been unlatching? ought to he have been unlatching? ought to we have been unlatching? ought to you have been unlatching? ought to they have been unlatching?

Interro-negative form

Simple form	V-ing form
oughtn't I to unlatch? oughtn't you to unlatch? oughtn't he to unlatch? oughtn't we to unlatch? oughtn't you to unlatch? oughtn't they to unlatch?	oughtn't I to be unlatching? oughtn't you to be unlatching? oughtn't he to be unlatching? oughtn't we to be unlatching? oughtn't you to be unlatching? oughtn't they to be unlatching?
Perfect	V-ing perfect
oughtn't I to have unlatched? oughtn't you to have unlatched? oughtn't he to have unlatched? oughtn't we to have unlatched? oughtn't you to have unlatched? oughtn't they to have unlatched?	oughtn't I to have been unlatching? oughtn't you to have been unlatching? oughtn't he to have been unlatching? oughtn't we to have been unlatching? oughtn't you to have been unlatching? oughtn't they to have been unlatching?