ought to pith
Regular verb: pith - pithed- pithed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to pith
you ought to pith
he ought to pith
we ought to pith
you ought to pith
they ought to pith 	I ought to be pithing
you ought to be pithing
he ought to be pithing
we ought to be pithing
you ought to be pithing
they ought to be pithing	I ought to have pithed
you ought to have pithed
he ought to have pithed
we ought to have pithed
you ought to have pithed
they ought to have pithed	I ought to have been pithing
you ought to have been pithing
he ought to have been pithing
we ought to have been pithing
you ought to have been pithing
they ought to have been pithing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to pith
you ought not to pith
he ought not to pith
we ought not to pith
you ought not to pith
they ought not to pith 	I ought not to pithing
you ought not to pithing
he ought not to pithing
we ought not to pithing
you ought not to pithing
they ought not to pithing	I ought not to have pithed
you ought not to have pithed
he ought not to have pithed
we ought not to have pithed
you ought not to have pithed
they ought not to have pithed	I ought not to have been pithing
you ought not to have been pithing
he ought not to have been pithing
we ought not to have been pithing
you ought not to have been pithing
they ought not to have been pithing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I pith?
ought to you pith?
ought to he pith?
ought to we pith?
ought to you pith?
ought to they pith? 	ought to I be pithing?
ought to you be pithing?
ought to he be pithing?
ought to we be pithing?
ought to you be pithing?
ought to they be pithing? 	ought to I have pithed?
ought to you have pithed?
ought to he have pithed?
ought to we have pithed?
ought to you have pithed?
ought to they have pithed? 	ought to I have been pithing?
ought to you have been pithing?
ought to he have been pithing?
ought to we have been pithing?
ought to you have been pithing?
ought to they have been pithing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to pith?
ought you not to pith?
ought he not to pith?
ought we not to pith?
ought you not to pith?
ought they not to pith? 	ought I not to be pithing?
ought you not to be pithing?
ought he not to be pithing?
ought we not to be pithing?
ought you not to be pithing?
ought they not to be pithing? 	ought I not to have pithed?
ought you not to have pithed?
ought he not to have pithed?
ought we not to have pithed?
ought you not to have pithed?
ought they not to have pithed? 	ought I not to have been pithing?
ought you not to have been pithing?
ought he not to have been pithing?
ought we not to have been pithing?
ought you not to have been pithing?
ought they not to have been pithing?