ought to den
Regular verb: den - dened- dened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to den
you ought to den
he ought to den
we ought to den
you ought to den
they ought to den 	I ought to be dening
you ought to be dening
he ought to be dening
we ought to be dening
you ought to be dening
they ought to be dening	I ought to have dened
you ought to have dened
he ought to have dened
we ought to have dened
you ought to have dened
they ought to have dened	I ought to have been dening
you ought to have been dening
he ought to have been dening
we ought to have been dening
you ought to have been dening
they ought to have been dening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to den
you ought not to den
he ought not to den
we ought not to den
you ought not to den
they ought not to den 	I ought not to dening
you ought not to dening
he ought not to dening
we ought not to dening
you ought not to dening
they ought not to dening	I ought not to have dened
you ought not to have dened
he ought not to have dened
we ought not to have dened
you ought not to have dened
they ought not to have dened	I ought not to have been dening
you ought not to have been dening
he ought not to have been dening
we ought not to have been dening
you ought not to have been dening
they ought not to have been dening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I den?
ought to you den?
ought to he den?
ought to we den?
ought to you den?
ought to they den? 	ought to I be dening?
ought to you be dening?
ought to he be dening?
ought to we be dening?
ought to you be dening?
ought to they be dening? 	ought to I have dened?
ought to you have dened?
ought to he have dened?
ought to we have dened?
ought to you have dened?
ought to they have dened? 	ought to I have been dening?
ought to you have been dening?
ought to he have been dening?
ought to we have been dening?
ought to you have been dening?
ought to they have been dening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to den?
ought you not to den?
ought he not to den?
ought we not to den?
ought you not to den?
ought they not to den? 	ought I not to be dening?
ought you not to be dening?
ought he not to be dening?
ought we not to be dening?
ought you not to be dening?
ought they not to be dening? 	ought I not to have dened?
ought you not to have dened?
ought he not to have dened?
ought we not to have dened?
ought you not to have dened?
ought they not to have dened? 	ought I not to have been dening?
ought you not to have been dening?
ought he not to have been dening?
ought we not to have been dening?
ought you not to have been dening?
ought they not to have been dening?