I ought to datestamp you ought to datestamp she 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 she 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 she 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 she 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 ought not to datestamp you ought not to datestamp she ought not to datestamp we ought not to datestamp you ought not to datestamp they ought not to datestamp
V-ing form
I ought not to datestamping you ought not to datestamping she ought not to datestamping we ought not to datestamping you ought not to datestamping they ought not to datestamping
Perfect
I ought not to have datestamped you ought not to have datestamped she ought not to have datestamped we ought not to have datestamped you ought not to have datestamped they ought not to have datestamped
V-ing perfect
I ought not to have been datestamping you ought not to have been datestamping she ought not to have been datestamping we ought not to have been datestamping you ought not to have been datestamping they ought not to have been datestamping
Interrogative form
Simple form
ought to I datestamp? ought to you datestamp? ought to she 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 she 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 she 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 she 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
ought I not to datestamp? ought you not to datestamp? ought she not to datestamp? ought we not to datestamp? ought you not to datestamp? ought they not to datestamp?
V-ing form
ought I not to be datestamping? ought you not to be datestamping? ought she not to be datestamping? ought we not to be datestamping? ought you not to be datestamping? ought they not to be datestamping?
Perfect
ought I not to have datestamped? ought you not to have datestamped? ought she not to have datestamped? ought we not to have datestamped? ought you not to have datestamped? ought they not to have datestamped?
V-ing perfect
ought I not to have been datestamping? ought you not to have been datestamping? ought she not to have been datestamping? ought we not to have been datestamping? ought you not to have been datestamping? ought they not to have been datestamping?