ought to writhe
Regular verb: writhe - writhed- writhed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to writhe
you ought to writhe
he ought to writhe
we ought to writhe
you ought to writhe
they ought to writhe 	I ought to be writhing
you ought to be writhing
he ought to be writhing
we ought to be writhing
you ought to be writhing
they ought to be writhing	I ought to have writhed
you ought to have writhed
he ought to have writhed
we ought to have writhed
you ought to have writhed
they ought to have writhed	I ought to have been writhing
you ought to have been writhing
he ought to have been writhing
we ought to have been writhing
you ought to have been writhing
they ought to have been writhing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to writhe
you ought not to writhe
he ought not to writhe
we ought not to writhe
you ought not to writhe
they ought not to writhe 	I ought not to writhing
you ought not to writhing
he ought not to writhing
we ought not to writhing
you ought not to writhing
they ought not to writhing	I ought not to have writhed
you ought not to have writhed
he ought not to have writhed
we ought not to have writhed
you ought not to have writhed
they ought not to have writhed	I ought not to have been writhing
you ought not to have been writhing
he ought not to have been writhing
we ought not to have been writhing
you ought not to have been writhing
they ought not to have been writhing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I writhe?
ought to you writhe?
ought to he writhe?
ought to we writhe?
ought to you writhe?
ought to they writhe? 	ought to I be writhing?
ought to you be writhing?
ought to he be writhing?
ought to we be writhing?
ought to you be writhing?
ought to they be writhing? 	ought to I have writhed?
ought to you have writhed?
ought to he have writhed?
ought to we have writhed?
ought to you have writhed?
ought to they have writhed? 	ought to I have been writhing?
ought to you have been writhing?
ought to he have been writhing?
ought to we have been writhing?
ought to you have been writhing?
ought to they have been writhing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to writhe?
ought you not to writhe?
ought he not to writhe?
ought we not to writhe?
ought you not to writhe?
ought they not to writhe? 	ought I not to be writhing?
ought you not to be writhing?
ought he not to be writhing?
ought we not to be writhing?
ought you not to be writhing?
ought they not to be writhing? 	ought I not to have writhed?
ought you not to have writhed?
ought he not to have writhed?
ought we not to have writhed?
ought you not to have writhed?
ought they not to have writhed? 	ought I not to have been writhing?
ought you not to have been writhing?
ought he not to have been writhing?
ought we not to have been writhing?
ought you not to have been writhing?
ought they not to have been writhing?