I ought to datestamp you ought to datestamp he ought to datestamp we ought to datestamp you ought to datestamp they ought to datestamp
V-ing form
I ought to be datestamping you ought to be datestamping he ought to be datestamping we ought to be datestamping you ought to be datestamping they ought to be datestamping
Perfect
I ought to have datestamped you ought to have datestamped he ought to have datestamped we ought to have datestamped you ought to have datestamped they ought to have datestamped
V-ing perfect
I ought to have been datestamping you ought to have been datestamping he ought to have been datestamping we ought to have been datestamping you ought to have been datestamping they ought to have been datestamping
Negation
Simple form
I oughtn't to datestamp you oughtn't to datestamp he oughtn't to datestamp we oughtn't to datestamp you oughtn't to datestamp they oughtn't to datestamp
V-ing form
I oughtn't to be datestamping you oughtn't to be datestamping he oughtn't to be datestamping we oughtn't to be datestamping you oughtn't to be datestamping they oughtn't to be datestamping
Perfect
I oughtn't to have datestamped you oughtn't to have datestamped he oughtn't to have datestamped we oughtn't to have datestamped you oughtn't to have datestamped they oughtn't to have datestamped
V-ing perfect
I oughtn't to have been datestamping you oughtn't to have been datestamping he oughtn't to have been datestamping we oughtn't to have been datestamping you oughtn't to have been datestamping they oughtn't to have been datestamping
Interrogative form
Simple form
ought to I datestamp? ought to you datestamp? ought to he datestamp? ought to we datestamp? ought to you datestamp? ought to they datestamp?
V-ing form
ought to I be datestamping? ought to you be datestamping? ought to he be datestamping? ought to we be datestamping? ought to you be datestamping? ought to they be datestamping?
Perfect
ought to I have datestamped? ought to you have datestamped? ought to he have datestamped? ought to we have datestamped? ought to you have datestamped? ought to they have datestamped?
V-ing perfect
ought to I have been datestamping? ought to you have been datestamping? ought to he have been datestamping? ought to we have been datestamping? ought to you have been datestamping? ought to they have been datestamping?
Interro-negative form
Simple form
oughtn't I to datestamp? oughtn't you to datestamp? oughtn't he to datestamp? oughtn't we to datestamp? oughtn't you to datestamp? oughtn't they to datestamp?
V-ing form
oughtn't I to be datestamping? oughtn't you to be datestamping? oughtn't he to be datestamping? oughtn't we to be datestamping? oughtn't you to be datestamping? oughtn't they to be datestamping?
Perfect
oughtn't I to have datestamped? oughtn't you to have datestamped? oughtn't he to have datestamped? oughtn't we to have datestamped? oughtn't you to have datestamped? oughtn't they to have datestamped?
V-ing perfect
oughtn't I to have been datestamping? oughtn't you to have been datestamping? oughtn't he to have been datestamping? oughtn't we to have been datestamping? oughtn't you to have been datestamping? oughtn't they to have been datestamping?