I ought to attest you ought to attest she ought to attest we ought to attest you ought to attest they ought to attest
V-ing form
I ought to be attesting you ought to be attesting she ought to be attesting we ought to be attesting you ought to be attesting they ought to be attesting
Perfect
I ought to have attested you ought to have attested she ought to have attested we ought to have attested you ought to have attested they ought to have attested
V-ing perfect
I ought to have been attesting you ought to have been attesting she ought to have been attesting we ought to have been attesting you ought to have been attesting they ought to have been attesting
Negation
Simple form
I oughtn't to attest you oughtn't to attest she oughtn't to attest we oughtn't to attest you oughtn't to attest they oughtn't to attest
V-ing form
I oughtn't to be attesting you oughtn't to be attesting she oughtn't to be attesting we oughtn't to be attesting you oughtn't to be attesting they oughtn't to be attesting
Perfect
I oughtn't to have attested you oughtn't to have attested she oughtn't to have attested we oughtn't to have attested you oughtn't to have attested they oughtn't to have attested
V-ing perfect
I oughtn't to have been attesting you oughtn't to have been attesting she oughtn't to have been attesting we oughtn't to have been attesting you oughtn't to have been attesting they oughtn't to have been attesting
Interrogative form
Simple form
ought to I attest? ought to you attest? ought to she attest? ought to we attest? ought to you attest? ought to they attest?
V-ing form
ought to I be attesting? ought to you be attesting? ought to she be attesting? ought to we be attesting? ought to you be attesting? ought to they be attesting?
Perfect
ought to I have attested? ought to you have attested? ought to she have attested? ought to we have attested? ought to you have attested? ought to they have attested?
V-ing perfect
ought to I have been attesting? ought to you have been attesting? ought to she have been attesting? ought to we have been attesting? ought to you have been attesting? ought to they have been attesting?
Interro-negative form
Simple form
oughtn't I to attest? oughtn't you to attest? oughtn't she to attest? oughtn't we to attest? oughtn't you to attest? oughtn't they to attest?
V-ing form
oughtn't I to be attesting? oughtn't you to be attesting? oughtn't she to be attesting? oughtn't we to be attesting? oughtn't you to be attesting? oughtn't they to be attesting?
Perfect
oughtn't I to have attested? oughtn't you to have attested? oughtn't she to have attested? oughtn't we to have attested? oughtn't you to have attested? oughtn't they to have attested?
V-ing perfect
oughtn't I to have been attesting? oughtn't you to have been attesting? oughtn't she to have been attesting? oughtn't we to have been attesting? oughtn't you to have been attesting? oughtn't they to have been attesting?