English verb conjugation
OUGHT TO PRECERTIFY

Regular verb: precertify - precertified - precertified

Affirmation

Simple form	V-ing form
I ought to precertify you ought to precertify she ought to precertify we ought to precertify you ought to precertify they ought to precertify	I ought to be precertifying you ought to be precertifying she ought to be precertifying we ought to be precertifying you ought to be precertifying they ought to be precertifying
Perfect	V-ing perfect
I ought to have precertified you ought to have precertified she ought to have precertified we ought to have precertified you ought to have precertified they ought to have precertified	I ought to have been precertifying you ought to have been precertifying she ought to have been precertifying we ought to have been precertifying you ought to have been precertifying they ought to have been precertifying

Negation

Simple form	V-ing form
I oughtn't to precertify you oughtn't to precertify she oughtn't to precertify we oughtn't to precertify you oughtn't to precertify they oughtn't to precertify	I oughtn't to be precertifying you oughtn't to be precertifying she oughtn't to be precertifying we oughtn't to be precertifying you oughtn't to be precertifying they oughtn't to be precertifying
Perfect	V-ing perfect
I oughtn't to have precertified you oughtn't to have precertified she oughtn't to have precertified we oughtn't to have precertified you oughtn't to have precertified they oughtn't to have precertified	I oughtn't to have been precertifying you oughtn't to have been precertifying she oughtn't to have been precertifying we oughtn't to have been precertifying you oughtn't to have been precertifying they oughtn't to have been precertifying

Interrogative form

Simple form	V-ing form
ought to I precertify? ought to you precertify? ought to she precertify? ought to we precertify? ought to you precertify? ought to they precertify?	ought to I be precertifying? ought to you be precertifying? ought to she be precertifying? ought to we be precertifying? ought to you be precertifying? ought to they be precertifying?
Perfect	V-ing perfect
ought to I have precertified? ought to you have precertified? ought to she have precertified? ought to we have precertified? ought to you have precertified? ought to they have precertified?	ought to I have been precertifying? ought to you have been precertifying? ought to she have been precertifying? ought to we have been precertifying? ought to you have been precertifying? ought to they have been precertifying?

Interro-negative form

Simple form	V-ing form
oughtn't I to precertify? oughtn't you to precertify? oughtn't she to precertify? oughtn't we to precertify? oughtn't you to precertify? oughtn't they to precertify?	oughtn't I to be precertifying? oughtn't you to be precertifying? oughtn't she to be precertifying? oughtn't we to be precertifying? oughtn't you to be precertifying? oughtn't they to be precertifying?
Perfect	V-ing perfect
oughtn't I to have precertified? oughtn't you to have precertified? oughtn't she to have precertified? oughtn't we to have precertified? oughtn't you to have precertified? oughtn't they to have precertified?	oughtn't I to have been precertifying? oughtn't you to have been precertifying? oughtn't she to have been precertifying? oughtn't we to have been precertifying? oughtn't you to have been precertifying? oughtn't they to have been precertifying?