English verb conjugation
OUGHT TO CREST

Regular verb: crest - crested - crested

Affirmation

Simple form	V-ing form
I ought to crest you ought to crest she ought to crest we ought to crest you ought to crest they ought to crest	I ought to be cresting you ought to be cresting she ought to be cresting we ought to be cresting you ought to be cresting they ought to be cresting
Perfect	V-ing perfect
I ought to have crested you ought to have crested she ought to have crested we ought to have crested you ought to have crested they ought to have crested	I ought to have been cresting you ought to have been cresting she ought to have been cresting we ought to have been cresting you ought to have been cresting they ought to have been cresting

Negation

Simple form	V-ing form
I oughtn't to crest you oughtn't to crest she oughtn't to crest we oughtn't to crest you oughtn't to crest they oughtn't to crest	I oughtn't to be cresting you oughtn't to be cresting she oughtn't to be cresting we oughtn't to be cresting you oughtn't to be cresting they oughtn't to be cresting
Perfect	V-ing perfect
I oughtn't to have crested you oughtn't to have crested she oughtn't to have crested we oughtn't to have crested you oughtn't to have crested they oughtn't to have crested	I oughtn't to have been cresting you oughtn't to have been cresting she oughtn't to have been cresting we oughtn't to have been cresting you oughtn't to have been cresting they oughtn't to have been cresting

Interrogative form

Simple form	V-ing form
ought to I crest? ought to you crest? ought to she crest? ought to we crest? ought to you crest? ought to they crest?	ought to I be cresting? ought to you be cresting? ought to she be cresting? ought to we be cresting? ought to you be cresting? ought to they be cresting?
Perfect	V-ing perfect
ought to I have crested? ought to you have crested? ought to she have crested? ought to we have crested? ought to you have crested? ought to they have crested?	ought to I have been cresting? ought to you have been cresting? ought to she have been cresting? ought to we have been cresting? ought to you have been cresting? ought to they have been cresting?

Interro-negative form

Simple form	V-ing form
oughtn't I to crest? oughtn't you to crest? oughtn't she to crest? oughtn't we to crest? oughtn't you to crest? oughtn't they to crest?	oughtn't I to be cresting? oughtn't you to be cresting? oughtn't she to be cresting? oughtn't we to be cresting? oughtn't you to be cresting? oughtn't they to be cresting?
Perfect	V-ing perfect
oughtn't I to have crested? oughtn't you to have crested? oughtn't she to have crested? oughtn't we to have crested? oughtn't you to have crested? oughtn't they to have crested?	oughtn't I to have been cresting? oughtn't you to have been cresting? oughtn't she to have been cresting? oughtn't we to have been cresting? oughtn't you to have been cresting? oughtn't they to have been cresting?