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