ought to prestamp
Regular verb: prestamp - prestamped- prestamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to prestamp
you ought to prestamp
he ought to prestamp
we ought to prestamp
you ought to prestamp
they ought to prestamp 	I ought to be prestamping
you ought to be prestamping
he ought to be prestamping
we ought to be prestamping
you ought to be prestamping
they ought to be prestamping	I ought to have prestamped
you ought to have prestamped
he ought to have prestamped
we ought to have prestamped
you ought to have prestamped
they ought to have prestamped	I ought to have been prestamping
you ought to have been prestamping
he ought to have been prestamping
we ought to have been prestamping
you ought to have been prestamping
they ought to have been prestamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to prestamp
you ought not to prestamp
he ought not to prestamp
we ought not to prestamp
you ought not to prestamp
they ought not to prestamp 	I ought not to prestamping
you ought not to prestamping
he ought not to prestamping
we ought not to prestamping
you ought not to prestamping
they ought not to prestamping	I ought not to have prestamped
you ought not to have prestamped
he ought not to have prestamped
we ought not to have prestamped
you ought not to have prestamped
they ought not to have prestamped	I ought not to have been prestamping
you ought not to have been prestamping
he ought not to have been prestamping
we ought not to have been prestamping
you ought not to have been prestamping
they ought not to have been prestamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I prestamp?
ought to you prestamp?
ought to he prestamp?
ought to we prestamp?
ought to you prestamp?
ought to they prestamp? 	ought to I be prestamping?
ought to you be prestamping?
ought to he be prestamping?
ought to we be prestamping?
ought to you be prestamping?
ought to they be prestamping? 	ought to I have prestamped?
ought to you have prestamped?
ought to he have prestamped?
ought to we have prestamped?
ought to you have prestamped?
ought to they have prestamped? 	ought to I have been prestamping?
ought to you have been prestamping?
ought to he have been prestamping?
ought to we have been prestamping?
ought to you have been prestamping?
ought to they have been prestamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to prestamp?
ought you not to prestamp?
ought he not to prestamp?
ought we not to prestamp?
ought you not to prestamp?
ought they not to prestamp? 	ought I not to be prestamping?
ought you not to be prestamping?
ought he not to be prestamping?
ought we not to be prestamping?
ought you not to be prestamping?
ought they not to be prestamping? 	ought I not to have prestamped?
ought you not to have prestamped?
ought he not to have prestamped?
ought we not to have prestamped?
ought you not to have prestamped?
ought they not to have prestamped? 	ought I not to have been prestamping?
ought you not to have been prestamping?
ought he not to have been prestamping?
ought we not to have been prestamping?
ought you not to have been prestamping?
ought they not to have been prestamping?