ought to riffle
Regular verb: riffle - riffled- riffled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to riffle
you ought to riffle
he ought to riffle
we ought to riffle
you ought to riffle
they ought to riffle 	I ought to be riffling
you ought to be riffling
he ought to be riffling
we ought to be riffling
you ought to be riffling
they ought to be riffling	I ought to have riffled
you ought to have riffled
he ought to have riffled
we ought to have riffled
you ought to have riffled
they ought to have riffled	I ought to have been riffling
you ought to have been riffling
he ought to have been riffling
we ought to have been riffling
you ought to have been riffling
they ought to have been riffling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to riffle
you ought not to riffle
he ought not to riffle
we ought not to riffle
you ought not to riffle
they ought not to riffle 	I ought not to riffling
you ought not to riffling
he ought not to riffling
we ought not to riffling
you ought not to riffling
they ought not to riffling	I ought not to have riffled
you ought not to have riffled
he ought not to have riffled
we ought not to have riffled
you ought not to have riffled
they ought not to have riffled	I ought not to have been riffling
you ought not to have been riffling
he ought not to have been riffling
we ought not to have been riffling
you ought not to have been riffling
they ought not to have been riffling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I riffle?
ought to you riffle?
ought to he riffle?
ought to we riffle?
ought to you riffle?
ought to they riffle? 	ought to I be riffling?
ought to you be riffling?
ought to he be riffling?
ought to we be riffling?
ought to you be riffling?
ought to they be riffling? 	ought to I have riffled?
ought to you have riffled?
ought to he have riffled?
ought to we have riffled?
ought to you have riffled?
ought to they have riffled? 	ought to I have been riffling?
ought to you have been riffling?
ought to he have been riffling?
ought to we have been riffling?
ought to you have been riffling?
ought to they have been riffling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to riffle?
ought you not to riffle?
ought he not to riffle?
ought we not to riffle?
ought you not to riffle?
ought they not to riffle? 	ought I not to be riffling?
ought you not to be riffling?
ought he not to be riffling?
ought we not to be riffling?
ought you not to be riffling?
ought they not to be riffling? 	ought I not to have riffled?
ought you not to have riffled?
ought he not to have riffled?
ought we not to have riffled?
ought you not to have riffled?
ought they not to have riffled? 	ought I not to have been riffling?
ought you not to have been riffling?
ought he not to have been riffling?
ought we not to have been riffling?
ought you not to have been riffling?
ought they not to have been riffling?