English verb conjugation
OUGHT TO LIAISE

Regular verb: liaise - liaised - liaised

Affirmation

Simple form	V-ing form
I ought to liaise you ought to liaise he ought to liaise we ought to liaise you ought to liaise they ought to liaise	I ought to be liaising you ought to be liaising he ought to be liaising we ought to be liaising you ought to be liaising they ought to be liaising
Perfect	V-ing perfect
I ought to have liaised you ought to have liaised he ought to have liaised we ought to have liaised you ought to have liaised they ought to have liaised	I ought to have been liaising you ought to have been liaising he ought to have been liaising we ought to have been liaising you ought to have been liaising they ought to have been liaising

Negation

Simple form	V-ing form
I oughtn't to liaise you oughtn't to liaise he oughtn't to liaise we oughtn't to liaise you oughtn't to liaise they oughtn't to liaise	I oughtn't to be liaising you oughtn't to be liaising he oughtn't to be liaising we oughtn't to be liaising you oughtn't to be liaising they oughtn't to be liaising
Perfect	V-ing perfect
I oughtn't to have liaised you oughtn't to have liaised he oughtn't to have liaised we oughtn't to have liaised you oughtn't to have liaised they oughtn't to have liaised	I oughtn't to have been liaising you oughtn't to have been liaising he oughtn't to have been liaising we oughtn't to have been liaising you oughtn't to have been liaising they oughtn't to have been liaising

Interrogative form

Simple form	V-ing form
ought to I liaise? ought to you liaise? ought to he liaise? ought to we liaise? ought to you liaise? ought to they liaise?	ought to I be liaising? ought to you be liaising? ought to he be liaising? ought to we be liaising? ought to you be liaising? ought to they be liaising?
Perfect	V-ing perfect
ought to I have liaised? ought to you have liaised? ought to he have liaised? ought to we have liaised? ought to you have liaised? ought to they have liaised?	ought to I have been liaising? ought to you have been liaising? ought to he have been liaising? ought to we have been liaising? ought to you have been liaising? ought to they have been liaising?

Interro-negative form

Simple form	V-ing form
oughtn't I to liaise? oughtn't you to liaise? oughtn't he to liaise? oughtn't we to liaise? oughtn't you to liaise? oughtn't they to liaise?	oughtn't I to be liaising? oughtn't you to be liaising? oughtn't he to be liaising? oughtn't we to be liaising? oughtn't you to be liaising? oughtn't they to be liaising?
Perfect	V-ing perfect
oughtn't I to have liaised? oughtn't you to have liaised? oughtn't he to have liaised? oughtn't we to have liaised? oughtn't you to have liaised? oughtn't they to have liaised?	oughtn't I to have been liaising? oughtn't you to have been liaising? oughtn't he to have been liaising? oughtn't we to have been liaising? oughtn't you to have been liaising? oughtn't they to have been liaising?