ought to frown
Regular verb: frown - frowned- frowned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to frown
you ought to frown
he ought to frown
we ought to frown
you ought to frown
they ought to frown 	I ought to be frowning
you ought to be frowning
he ought to be frowning
we ought to be frowning
you ought to be frowning
they ought to be frowning	I ought to have frowned
you ought to have frowned
he ought to have frowned
we ought to have frowned
you ought to have frowned
they ought to have frowned	I ought to have been frowning
you ought to have been frowning
he ought to have been frowning
we ought to have been frowning
you ought to have been frowning
they ought to have been frowning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to frown
you ought not to frown
he ought not to frown
we ought not to frown
you ought not to frown
they ought not to frown 	I ought not to frowning
you ought not to frowning
he ought not to frowning
we ought not to frowning
you ought not to frowning
they ought not to frowning	I ought not to have frowned
you ought not to have frowned
he ought not to have frowned
we ought not to have frowned
you ought not to have frowned
they ought not to have frowned	I ought not to have been frowning
you ought not to have been frowning
he ought not to have been frowning
we ought not to have been frowning
you ought not to have been frowning
they ought not to have been frowning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I frown?
ought to you frown?
ought to he frown?
ought to we frown?
ought to you frown?
ought to they frown? 	ought to I be frowning?
ought to you be frowning?
ought to he be frowning?
ought to we be frowning?
ought to you be frowning?
ought to they be frowning? 	ought to I have frowned?
ought to you have frowned?
ought to he have frowned?
ought to we have frowned?
ought to you have frowned?
ought to they have frowned? 	ought to I have been frowning?
ought to you have been frowning?
ought to he have been frowning?
ought to we have been frowning?
ought to you have been frowning?
ought to they have been frowning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to frown?
ought you not to frown?
ought he not to frown?
ought we not to frown?
ought you not to frown?
ought they not to frown? 	ought I not to be frowning?
ought you not to be frowning?
ought he not to be frowning?
ought we not to be frowning?
ought you not to be frowning?
ought they not to be frowning? 	ought I not to have frowned?
ought you not to have frowned?
ought he not to have frowned?
ought we not to have frowned?
ought you not to have frowned?
ought they not to have frowned? 	ought I not to have been frowning?
ought you not to have been frowning?
ought he not to have been frowning?
ought we not to have been frowning?
ought you not to have been frowning?
ought they not to have been frowning?