ought to flag
Regular verb: flag - flagged- flagged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to flag
you ought to flag
she ought to flag
we ought to flag
you ought to flag
they ought to flag 	I ought to be flagging
you ought to be flagging
she ought to be flagging
we ought to be flagging
you ought to be flagging
they ought to be flagging	I ought to have flagged
you ought to have flagged
she ought to have flagged
we ought to have flagged
you ought to have flagged
they ought to have flagged	I ought to have been flagging
you ought to have been flagging
she ought to have been flagging
we ought to have been flagging
you ought to have been flagging
they ought to have been flagging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to flag
you ought not to flag
she ought not to flag
we ought not to flag
you ought not to flag
they ought not to flag 	I ought not to flagging
you ought not to flagging
she ought not to flagging
we ought not to flagging
you ought not to flagging
they ought not to flagging	I ought not to have flagged
you ought not to have flagged
she ought not to have flagged
we ought not to have flagged
you ought not to have flagged
they ought not to have flagged	I ought not to have been flagging
you ought not to have been flagging
she ought not to have been flagging
we ought not to have been flagging
you ought not to have been flagging
they ought not to have been flagging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I flag?
ought to you flag?
ought to she flag?
ought to we flag?
ought to you flag?
ought to they flag? 	ought to I be flagging?
ought to you be flagging?
ought to she be flagging?
ought to we be flagging?
ought to you be flagging?
ought to they be flagging? 	ought to I have flagged?
ought to you have flagged?
ought to she have flagged?
ought to we have flagged?
ought to you have flagged?
ought to they have flagged? 	ought to I have been flagging?
ought to you have been flagging?
ought to she have been flagging?
ought to we have been flagging?
ought to you have been flagging?
ought to they have been flagging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to flag?
ought you not to flag?
ought she not to flag?
ought we not to flag?
ought you not to flag?
ought they not to flag? 	ought I not to be flagging?
ought you not to be flagging?
ought she not to be flagging?
ought we not to be flagging?
ought you not to be flagging?
ought they not to be flagging? 	ought I not to have flagged?
ought you not to have flagged?
ought she not to have flagged?
ought we not to have flagged?
ought you not to have flagged?
ought they not to have flagged? 	ought I not to have been flagging?
ought you not to have been flagging?
ought she not to have been flagging?
ought we not to have been flagging?
ought you not to have been flagging?
ought they not to have been flagging?