English verb conjugation
OUGHT TO ALIBI

Regular verb: alibi - alibied - alibied

Affirmation

Simple form	V-ing form
I ought to alibi you ought to alibi she ought to alibi we ought to alibi you ought to alibi they ought to alibi	I ought to be alibiing you ought to be alibiing she ought to be alibiing we ought to be alibiing you ought to be alibiing they ought to be alibiing
Perfect	V-ing perfect
I ought to have alibied you ought to have alibied she ought to have alibied we ought to have alibied you ought to have alibied they ought to have alibied	I ought to have been alibiing you ought to have been alibiing she ought to have been alibiing we ought to have been alibiing you ought to have been alibiing they ought to have been alibiing

Negation

Simple form	V-ing form
I oughtn't to alibi you oughtn't to alibi she oughtn't to alibi we oughtn't to alibi you oughtn't to alibi they oughtn't to alibi	I oughtn't to be alibiing you oughtn't to be alibiing she oughtn't to be alibiing we oughtn't to be alibiing you oughtn't to be alibiing they oughtn't to be alibiing
Perfect	V-ing perfect
I oughtn't to have alibied you oughtn't to have alibied she oughtn't to have alibied we oughtn't to have alibied you oughtn't to have alibied they oughtn't to have alibied	I oughtn't to have been alibiing you oughtn't to have been alibiing she oughtn't to have been alibiing we oughtn't to have been alibiing you oughtn't to have been alibiing they oughtn't to have been alibiing

Interrogative form

Simple form	V-ing form
ought to I alibi? ought to you alibi? ought to she alibi? ought to we alibi? ought to you alibi? ought to they alibi?	ought to I be alibiing? ought to you be alibiing? ought to she be alibiing? ought to we be alibiing? ought to you be alibiing? ought to they be alibiing?
Perfect	V-ing perfect
ought to I have alibied? ought to you have alibied? ought to she have alibied? ought to we have alibied? ought to you have alibied? ought to they have alibied?	ought to I have been alibiing? ought to you have been alibiing? ought to she have been alibiing? ought to we have been alibiing? ought to you have been alibiing? ought to they have been alibiing?

Interro-negative form

Simple form	V-ing form
oughtn't I to alibi? oughtn't you to alibi? oughtn't she to alibi? oughtn't we to alibi? oughtn't you to alibi? oughtn't they to alibi?	oughtn't I to be alibiing? oughtn't you to be alibiing? oughtn't she to be alibiing? oughtn't we to be alibiing? oughtn't you to be alibiing? oughtn't they to be alibiing?
Perfect	V-ing perfect
oughtn't I to have alibied? oughtn't you to have alibied? oughtn't she to have alibied? oughtn't we to have alibied? oughtn't you to have alibied? oughtn't they to have alibied?	oughtn't I to have been alibiing? oughtn't you to have been alibiing? oughtn't she to have been alibiing? oughtn't we to have been alibiing? oughtn't you to have been alibiing? oughtn't they to have been alibiing?