ought to datestamp
Regular verb: datestamp - datestamped- datestamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to datestamp
you ought to datestamp
she ought to datestamp
we ought to datestamp
you ought to datestamp
they ought to datestamp 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to datestamp
you oughtn't to datestamp
she oughtn't to datestamp
we oughtn't to datestamp
you oughtn't to datestamp
they oughtn't to datestamp 	I oughtn't to be datestamping
you oughtn't to be datestamping
she oughtn't to be datestamping
we oughtn't to be datestamping
you oughtn't to be datestamping
they oughtn't to be datestamping	I oughtn't to have datestamped
you oughtn't to have datestamped
she oughtn't to have datestamped
we oughtn't to have datestamped
you oughtn't to have datestamped
they oughtn't to have datestamped	I oughtn't to have been datestamping
you oughtn't to have been datestamping
she 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 	V-ing form 	Perfect 	V-ing perfect 	
ought to I datestamp?
ought to you datestamp?
ought to she datestamp?
ought to we datestamp?
ought to you datestamp?
ought to they datestamp? 	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? 	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? 	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 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to datestamp?
oughtn't you to datestamp?
oughtn't she to datestamp?
oughtn't we to datestamp?
oughtn't you to datestamp?
oughtn't they to datestamp? 	oughtn't I to be datestamping?
oughtn't you to be datestamping?
oughtn't she to be datestamping?
oughtn't we to be datestamping?
oughtn't you to be datestamping?
oughtn't they to be datestamping? 	oughtn't I to have datestamped?
oughtn't you to have datestamped?
oughtn't she to have datestamped?
oughtn't we to have datestamped?
oughtn't you to have datestamped?
oughtn't they to have datestamped? 	oughtn't I to have been datestamping?
oughtn't you to have been datestamping?
oughtn't she 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?