ought to precertify
Regular verb: precertify - precertified- precertified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?