English verb conjugation
OUGHT TO PREFER

Regular verb: prefer - preferred - preferred

Affirmation

Simple form	V-ing form
I ought to prefer you ought to prefer he ought to prefer we ought to prefer you ought to prefer they ought to prefer	I ought to be preferring you ought to be preferring he ought to be preferring we ought to be preferring you ought to be preferring they ought to be preferring
Perfect	V-ing perfect
I ought to have preferred you ought to have preferred he ought to have preferred we ought to have preferred you ought to have preferred they ought to have preferred	I ought to have been preferring you ought to have been preferring he ought to have been preferring we ought to have been preferring you ought to have been preferring they ought to have been preferring

Negation

Simple form	V-ing form
I ought not to prefer you ought not to prefer he ought not to prefer we ought not to prefer you ought not to prefer they ought not to prefer	I ought not to preferring you ought not to preferring he ought not to preferring we ought not to preferring you ought not to preferring they ought not to preferring
Perfect	V-ing perfect
I ought not to have preferred you ought not to have preferred he ought not to have preferred we ought not to have preferred you ought not to have preferred they ought not to have preferred	I ought not to have been preferring you ought not to have been preferring he ought not to have been preferring we ought not to have been preferring you ought not to have been preferring they ought not to have been preferring

Interrogative form

Simple form	V-ing form
ought to I prefer? ought to you prefer? ought to he prefer? ought to we prefer? ought to you prefer? ought to they prefer?	ought to I be preferring? ought to you be preferring? ought to he be preferring? ought to we be preferring? ought to you be preferring? ought to they be preferring?
Perfect	V-ing perfect
ought to I have preferred? ought to you have preferred? ought to he have preferred? ought to we have preferred? ought to you have preferred? ought to they have preferred?	ought to I have been preferring? ought to you have been preferring? ought to he have been preferring? ought to we have been preferring? ought to you have been preferring? ought to they have been preferring?

Interro-negative form

Simple form	V-ing form
ought I not to prefer? ought you not to prefer? ought he not to prefer? ought we not to prefer? ought you not to prefer? ought they not to prefer?	ought I not to be preferring? ought you not to be preferring? ought he not to be preferring? ought we not to be preferring? ought you not to be preferring? ought they not to be preferring?
Perfect	V-ing perfect
ought I not to have preferred? ought you not to have preferred? ought he not to have preferred? ought we not to have preferred? ought you not to have preferred? ought they not to have preferred?	ought I not to have been preferring? ought you not to have been preferring? ought he not to have been preferring? ought we not to have been preferring? ought you not to have been preferring? ought they not to have been preferring?