ought to obtund
Regular verb: obtund - obtunded- obtunded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to obtund
you ought to obtund
she ought to obtund
we ought to obtund
you ought to obtund
they ought to obtund 	I ought to be obtunding
you ought to be obtunding
she ought to be obtunding
we ought to be obtunding
you ought to be obtunding
they ought to be obtunding	I ought to have obtunded
you ought to have obtunded
she ought to have obtunded
we ought to have obtunded
you ought to have obtunded
they ought to have obtunded	I ought to have been obtunding
you ought to have been obtunding
she ought to have been obtunding
we ought to have been obtunding
you ought to have been obtunding
they ought to have been obtunding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to obtund
you oughtn't to obtund
she oughtn't to obtund
we oughtn't to obtund
you oughtn't to obtund
they oughtn't to obtund 	I oughtn't to be obtunding
you oughtn't to be obtunding
she oughtn't to be obtunding
we oughtn't to be obtunding
you oughtn't to be obtunding
they oughtn't to be obtunding	I oughtn't to have obtunded
you oughtn't to have obtunded
she oughtn't to have obtunded
we oughtn't to have obtunded
you oughtn't to have obtunded
they oughtn't to have obtunded	I oughtn't to have been obtunding
you oughtn't to have been obtunding
she oughtn't to have been obtunding
we oughtn't to have been obtunding
you oughtn't to have been obtunding
they oughtn't to have been obtunding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I obtund?
ought to you obtund?
ought to she obtund?
ought to we obtund?
ought to you obtund?
ought to they obtund? 	ought to I be obtunding?
ought to you be obtunding?
ought to she be obtunding?
ought to we be obtunding?
ought to you be obtunding?
ought to they be obtunding? 	ought to I have obtunded?
ought to you have obtunded?
ought to she have obtunded?
ought to we have obtunded?
ought to you have obtunded?
ought to they have obtunded? 	ought to I have been obtunding?
ought to you have been obtunding?
ought to she have been obtunding?
ought to we have been obtunding?
ought to you have been obtunding?
ought to they have been obtunding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to obtund?
oughtn't you to obtund?
oughtn't she to obtund?
oughtn't we to obtund?
oughtn't you to obtund?
oughtn't they to obtund? 	oughtn't I to be obtunding?
oughtn't you to be obtunding?
oughtn't she to be obtunding?
oughtn't we to be obtunding?
oughtn't you to be obtunding?
oughtn't they to be obtunding? 	oughtn't I to have obtunded?
oughtn't you to have obtunded?
oughtn't she to have obtunded?
oughtn't we to have obtunded?
oughtn't you to have obtunded?
oughtn't they to have obtunded? 	oughtn't I to have been obtunding?
oughtn't you to have been obtunding?
oughtn't she to have been obtunding?
oughtn't we to have been obtunding?
oughtn't you to have been obtunding?
oughtn't they to have been obtunding?