English verb conjugation
OUGHT TO PIERCE

Regular verb: pierce - pierced - pierced

Affirmation

Simple form	V-ing form
I ought to pierce you ought to pierce she ought to pierce we ought to pierce you ought to pierce they ought to pierce	I ought to be piercing you ought to be piercing she ought to be piercing we ought to be piercing you ought to be piercing they ought to be piercing
Perfect	V-ing perfect
I ought to have pierced you ought to have pierced she ought to have pierced we ought to have pierced you ought to have pierced they ought to have pierced	I ought to have been piercing you ought to have been piercing she ought to have been piercing we ought to have been piercing you ought to have been piercing they ought to have been piercing

Negation

Simple form	V-ing form
I ought not to pierce you ought not to pierce she ought not to pierce we ought not to pierce you ought not to pierce they ought not to pierce	I ought not to piercing you ought not to piercing she ought not to piercing we ought not to piercing you ought not to piercing they ought not to piercing
Perfect	V-ing perfect
I ought not to have pierced you ought not to have pierced she ought not to have pierced we ought not to have pierced you ought not to have pierced they ought not to have pierced	I ought not to have been piercing you ought not to have been piercing she ought not to have been piercing we ought not to have been piercing you ought not to have been piercing they ought not to have been piercing

Interrogative form

Simple form	V-ing form
ought to I pierce? ought to you pierce? ought to she pierce? ought to we pierce? ought to you pierce? ought to they pierce?	ought to I be piercing? ought to you be piercing? ought to she be piercing? ought to we be piercing? ought to you be piercing? ought to they be piercing?
Perfect	V-ing perfect
ought to I have pierced? ought to you have pierced? ought to she have pierced? ought to we have pierced? ought to you have pierced? ought to they have pierced?	ought to I have been piercing? ought to you have been piercing? ought to she have been piercing? ought to we have been piercing? ought to you have been piercing? ought to they have been piercing?

Interro-negative form

Simple form	V-ing form
ought I not to pierce? ought you not to pierce? ought she not to pierce? ought we not to pierce? ought you not to pierce? ought they not to pierce?	ought I not to be piercing? ought you not to be piercing? ought she not to be piercing? ought we not to be piercing? ought you not to be piercing? ought they not to be piercing?
Perfect	V-ing perfect
ought I not to have pierced? ought you not to have pierced? ought she not to have pierced? ought we not to have pierced? ought you not to have pierced? ought they not to have pierced?	ought I not to have been piercing? ought you not to have been piercing? ought she not to have been piercing? ought we not to have been piercing? ought you not to have been piercing? ought they not to have been piercing?