ought to predate
Regular verb: predate - predated- predated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to predate
you ought to predate
she ought to predate
we ought to predate
you ought to predate
they ought to predate 	I ought to be predating
you ought to be predating
she ought to be predating
we ought to be predating
you ought to be predating
they ought to be predating	I ought to have predated
you ought to have predated
she ought to have predated
we ought to have predated
you ought to have predated
they ought to have predated	I ought to have been predating
you ought to have been predating
she ought to have been predating
we ought to have been predating
you ought to have been predating
they ought to have been predating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to predate
you ought not to predate
she ought not to predate
we ought not to predate
you ought not to predate
they ought not to predate 	I ought not to predating
you ought not to predating
she ought not to predating
we ought not to predating
you ought not to predating
they ought not to predating	I ought not to have predated
you ought not to have predated
she ought not to have predated
we ought not to have predated
you ought not to have predated
they ought not to have predated	I ought not to have been predating
you ought not to have been predating
she ought not to have been predating
we ought not to have been predating
you ought not to have been predating
they ought not to have been predating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I predate?
ought to you predate?
ought to she predate?
ought to we predate?
ought to you predate?
ought to they predate? 	ought to I be predating?
ought to you be predating?
ought to she be predating?
ought to we be predating?
ought to you be predating?
ought to they be predating? 	ought to I have predated?
ought to you have predated?
ought to she have predated?
ought to we have predated?
ought to you have predated?
ought to they have predated? 	ought to I have been predating?
ought to you have been predating?
ought to she have been predating?
ought to we have been predating?
ought to you have been predating?
ought to they have been predating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to predate?
ought you not to predate?
ought she not to predate?
ought we not to predate?
ought you not to predate?
ought they not to predate? 	ought I not to be predating?
ought you not to be predating?
ought she not to be predating?
ought we not to be predating?
ought you not to be predating?
ought they not to be predating? 	ought I not to have predated?
ought you not to have predated?
ought she not to have predated?
ought we not to have predated?
ought you not to have predated?
ought they not to have predated? 	ought I not to have been predating?
ought you not to have been predating?
ought she not to have been predating?
ought we not to have been predating?
ought you not to have been predating?
ought they not to have been predating?