ought to floss
Regular verb: floss - flossed- flossed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to floss
you ought to floss
he ought to floss
we ought to floss
you ought to floss
they ought to floss 	I ought to be flossing
you ought to be flossing
he ought to be flossing
we ought to be flossing
you ought to be flossing
they ought to be flossing	I ought to have flossed
you ought to have flossed
he ought to have flossed
we ought to have flossed
you ought to have flossed
they ought to have flossed	I ought to have been flossing
you ought to have been flossing
he ought to have been flossing
we ought to have been flossing
you ought to have been flossing
they ought to have been flossing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to floss
you ought not to floss
he ought not to floss
we ought not to floss
you ought not to floss
they ought not to floss 	I ought not to flossing
you ought not to flossing
he ought not to flossing
we ought not to flossing
you ought not to flossing
they ought not to flossing	I ought not to have flossed
you ought not to have flossed
he ought not to have flossed
we ought not to have flossed
you ought not to have flossed
they ought not to have flossed	I ought not to have been flossing
you ought not to have been flossing
he ought not to have been flossing
we ought not to have been flossing
you ought not to have been flossing
they ought not to have been flossing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I floss?
ought to you floss?
ought to he floss?
ought to we floss?
ought to you floss?
ought to they floss? 	ought to I be flossing?
ought to you be flossing?
ought to he be flossing?
ought to we be flossing?
ought to you be flossing?
ought to they be flossing? 	ought to I have flossed?
ought to you have flossed?
ought to he have flossed?
ought to we have flossed?
ought to you have flossed?
ought to they have flossed? 	ought to I have been flossing?
ought to you have been flossing?
ought to he have been flossing?
ought to we have been flossing?
ought to you have been flossing?
ought to they have been flossing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to floss?
ought you not to floss?
ought he not to floss?
ought we not to floss?
ought you not to floss?
ought they not to floss? 	ought I not to be flossing?
ought you not to be flossing?
ought he not to be flossing?
ought we not to be flossing?
ought you not to be flossing?
ought they not to be flossing? 	ought I not to have flossed?
ought you not to have flossed?
ought he not to have flossed?
ought we not to have flossed?
ought you not to have flossed?
ought they not to have flossed? 	ought I not to have been flossing?
ought you not to have been flossing?
ought he not to have been flossing?
ought we not to have been flossing?
ought you not to have been flossing?
ought they not to have been flossing?