ought to tooth
Regular verb: tooth - toothed- toothed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to tooth
you ought to tooth
she ought to tooth
we ought to tooth
you ought to tooth
they ought to tooth 	I ought to be toothing
you ought to be toothing
she ought to be toothing
we ought to be toothing
you ought to be toothing
they ought to be toothing	I ought to have toothed
you ought to have toothed
she ought to have toothed
we ought to have toothed
you ought to have toothed
they ought to have toothed	I ought to have been toothing
you ought to have been toothing
she ought to have been toothing
we ought to have been toothing
you ought to have been toothing
they ought to have been toothing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to tooth
you oughtn't to tooth
she oughtn't to tooth
we oughtn't to tooth
you oughtn't to tooth
they oughtn't to tooth 	I oughtn't to be toothing
you oughtn't to be toothing
she oughtn't to be toothing
we oughtn't to be toothing
you oughtn't to be toothing
they oughtn't to be toothing	I oughtn't to have toothed
you oughtn't to have toothed
she oughtn't to have toothed
we oughtn't to have toothed
you oughtn't to have toothed
they oughtn't to have toothed	I oughtn't to have been toothing
you oughtn't to have been toothing
she oughtn't to have been toothing
we oughtn't to have been toothing
you oughtn't to have been toothing
they oughtn't to have been toothing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I tooth?
ought to you tooth?
ought to she tooth?
ought to we tooth?
ought to you tooth?
ought to they tooth? 	ought to I be toothing?
ought to you be toothing?
ought to she be toothing?
ought to we be toothing?
ought to you be toothing?
ought to they be toothing? 	ought to I have toothed?
ought to you have toothed?
ought to she have toothed?
ought to we have toothed?
ought to you have toothed?
ought to they have toothed? 	ought to I have been toothing?
ought to you have been toothing?
ought to she have been toothing?
ought to we have been toothing?
ought to you have been toothing?
ought to they have been toothing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to tooth?
oughtn't you to tooth?
oughtn't she to tooth?
oughtn't we to tooth?
oughtn't you to tooth?
oughtn't they to tooth? 	oughtn't I to be toothing?
oughtn't you to be toothing?
oughtn't she to be toothing?
oughtn't we to be toothing?
oughtn't you to be toothing?
oughtn't they to be toothing? 	oughtn't I to have toothed?
oughtn't you to have toothed?
oughtn't she to have toothed?
oughtn't we to have toothed?
oughtn't you to have toothed?
oughtn't they to have toothed? 	oughtn't I to have been toothing?
oughtn't you to have been toothing?
oughtn't she to have been toothing?
oughtn't we to have been toothing?
oughtn't you to have been toothing?
oughtn't they to have been toothing?