English verb conjugation
OUGHT TO PLACARD

Regular verb: placard - placarded - placarded

Affirmation

Simple form	V-ing form
I ought to placard you ought to placard she ought to placard we ought to placard you ought to placard they ought to placard	I ought to be placarding you ought to be placarding she ought to be placarding we ought to be placarding you ought to be placarding they ought to be placarding
Perfect	V-ing perfect
I ought to have placarded you ought to have placarded she ought to have placarded we ought to have placarded you ought to have placarded they ought to have placarded	I ought to have been placarding you ought to have been placarding she ought to have been placarding we ought to have been placarding you ought to have been placarding they ought to have been placarding

Negation

Simple form	V-ing form
I ought not to placard you ought not to placard she ought not to placard we ought not to placard you ought not to placard they ought not to placard	I ought not to placarding you ought not to placarding she ought not to placarding we ought not to placarding you ought not to placarding they ought not to placarding
Perfect	V-ing perfect
I ought not to have placarded you ought not to have placarded she ought not to have placarded we ought not to have placarded you ought not to have placarded they ought not to have placarded	I ought not to have been placarding you ought not to have been placarding she ought not to have been placarding we ought not to have been placarding you ought not to have been placarding they ought not to have been placarding

Interrogative form

Simple form	V-ing form
ought to I placard? ought to you placard? ought to she placard? ought to we placard? ought to you placard? ought to they placard?	ought to I be placarding? ought to you be placarding? ought to she be placarding? ought to we be placarding? ought to you be placarding? ought to they be placarding?
Perfect	V-ing perfect
ought to I have placarded? ought to you have placarded? ought to she have placarded? ought to we have placarded? ought to you have placarded? ought to they have placarded?	ought to I have been placarding? ought to you have been placarding? ought to she have been placarding? ought to we have been placarding? ought to you have been placarding? ought to they have been placarding?

Interro-negative form

Simple form	V-ing form
ought I not to placard? ought you not to placard? ought she not to placard? ought we not to placard? ought you not to placard? ought they not to placard?	ought I not to be placarding? ought you not to be placarding? ought she not to be placarding? ought we not to be placarding? ought you not to be placarding? ought they not to be placarding?
Perfect	V-ing perfect
ought I not to have placarded? ought you not to have placarded? ought she not to have placarded? ought we not to have placarded? ought you not to have placarded? ought they not to have placarded?	ought I not to have been placarding? ought you not to have been placarding? ought she not to have been placarding? ought we not to have been placarding? ought you not to have been placarding? ought they not to have been placarding?