English verb conjugation
OUGHT TO THORN

Regular verb: thorn - thorned - thorned

Affirmation

Simple form	V-ing form
I ought to thorn you ought to thorn he ought to thorn we ought to thorn you ought to thorn they ought to thorn	I ought to be thorning you ought to be thorning he ought to be thorning we ought to be thorning you ought to be thorning they ought to be thorning
Perfect	V-ing perfect
I ought to have thorned you ought to have thorned he ought to have thorned we ought to have thorned you ought to have thorned they ought to have thorned	I ought to have been thorning you ought to have been thorning he ought to have been thorning we ought to have been thorning you ought to have been thorning they ought to have been thorning

Negation

Simple form	V-ing form
I ought not to thorn you ought not to thorn he ought not to thorn we ought not to thorn you ought not to thorn they ought not to thorn	I ought not to thorning you ought not to thorning he ought not to thorning we ought not to thorning you ought not to thorning they ought not to thorning
Perfect	V-ing perfect
I ought not to have thorned you ought not to have thorned he ought not to have thorned we ought not to have thorned you ought not to have thorned they ought not to have thorned	I ought not to have been thorning you ought not to have been thorning he ought not to have been thorning we ought not to have been thorning you ought not to have been thorning they ought not to have been thorning

Interrogative form

Simple form	V-ing form
ought to I thorn? ought to you thorn? ought to he thorn? ought to we thorn? ought to you thorn? ought to they thorn?	ought to I be thorning? ought to you be thorning? ought to he be thorning? ought to we be thorning? ought to you be thorning? ought to they be thorning?
Perfect	V-ing perfect
ought to I have thorned? ought to you have thorned? ought to he have thorned? ought to we have thorned? ought to you have thorned? ought to they have thorned?	ought to I have been thorning? ought to you have been thorning? ought to he have been thorning? ought to we have been thorning? ought to you have been thorning? ought to they have been thorning?

Interro-negative form

Simple form	V-ing form
ought I not to thorn? ought you not to thorn? ought he not to thorn? ought we not to thorn? ought you not to thorn? ought they not to thorn?	ought I not to be thorning? ought you not to be thorning? ought he not to be thorning? ought we not to be thorning? ought you not to be thorning? ought they not to be thorning?
Perfect	V-ing perfect
ought I not to have thorned? ought you not to have thorned? ought he not to have thorned? ought we not to have thorned? ought you not to have thorned? ought they not to have thorned?	ought I not to have been thorning? ought you not to have been thorning? ought he not to have been thorning? ought we not to have been thorning? ought you not to have been thorning? ought they not to have been thorning?