ought to preplace
Regular verb: preplace - preplaced- preplaced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to preplace
you ought to preplace
she ought to preplace
we ought to preplace
you ought to preplace
they ought to preplace 	I ought to be preplacing
you ought to be preplacing
she ought to be preplacing
we ought to be preplacing
you ought to be preplacing
they ought to be preplacing	I ought to have preplaced
you ought to have preplaced
she ought to have preplaced
we ought to have preplaced
you ought to have preplaced
they ought to have preplaced	I ought to have been preplacing
you ought to have been preplacing
she ought to have been preplacing
we ought to have been preplacing
you ought to have been preplacing
they ought to have been preplacing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to preplace
you ought not to preplace
she ought not to preplace
we ought not to preplace
you ought not to preplace
they ought not to preplace 	I ought not to preplacing
you ought not to preplacing
she ought not to preplacing
we ought not to preplacing
you ought not to preplacing
they ought not to preplacing	I ought not to have preplaced
you ought not to have preplaced
she ought not to have preplaced
we ought not to have preplaced
you ought not to have preplaced
they ought not to have preplaced	I ought not to have been preplacing
you ought not to have been preplacing
she ought not to have been preplacing
we ought not to have been preplacing
you ought not to have been preplacing
they ought not to have been preplacing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I preplace?
ought to you preplace?
ought to she preplace?
ought to we preplace?
ought to you preplace?
ought to they preplace? 	ought to I be preplacing?
ought to you be preplacing?
ought to she be preplacing?
ought to we be preplacing?
ought to you be preplacing?
ought to they be preplacing? 	ought to I have preplaced?
ought to you have preplaced?
ought to she have preplaced?
ought to we have preplaced?
ought to you have preplaced?
ought to they have preplaced? 	ought to I have been preplacing?
ought to you have been preplacing?
ought to she have been preplacing?
ought to we have been preplacing?
ought to you have been preplacing?
ought to they have been preplacing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to preplace?
ought you not to preplace?
ought she not to preplace?
ought we not to preplace?
ought you not to preplace?
ought they not to preplace? 	ought I not to be preplacing?
ought you not to be preplacing?
ought she not to be preplacing?
ought we not to be preplacing?
ought you not to be preplacing?
ought they not to be preplacing? 	ought I not to have preplaced?
ought you not to have preplaced?
ought she not to have preplaced?
ought we not to have preplaced?
ought you not to have preplaced?
ought they not to have preplaced? 	ought I not to have been preplacing?
ought you not to have been preplacing?
ought she not to have been preplacing?
ought we not to have been preplacing?
ought you not to have been preplacing?
ought they not to have been preplacing?