ought to introduce
Regular verb: introduce - introduced- introduced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to introduce
you ought to introduce
she ought to introduce
we ought to introduce
you ought to introduce
they ought to introduce 	I ought to be introducing
you ought to be introducing
she ought to be introducing
we ought to be introducing
you ought to be introducing
they ought to be introducing	I ought to have introduced
you ought to have introduced
she ought to have introduced
we ought to have introduced
you ought to have introduced
they ought to have introduced	I ought to have been introducing
you ought to have been introducing
she ought to have been introducing
we ought to have been introducing
you ought to have been introducing
they ought to have been introducing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to introduce
you ought not to introduce
she ought not to introduce
we ought not to introduce
you ought not to introduce
they ought not to introduce 	I ought not to introducing
you ought not to introducing
she ought not to introducing
we ought not to introducing
you ought not to introducing
they ought not to introducing	I ought not to have introduced
you ought not to have introduced
she ought not to have introduced
we ought not to have introduced
you ought not to have introduced
they ought not to have introduced	I ought not to have been introducing
you ought not to have been introducing
she ought not to have been introducing
we ought not to have been introducing
you ought not to have been introducing
they ought not to have been introducing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I introduce?
ought to you introduce?
ought to she introduce?
ought to we introduce?
ought to you introduce?
ought to they introduce? 	ought to I be introducing?
ought to you be introducing?
ought to she be introducing?
ought to we be introducing?
ought to you be introducing?
ought to they be introducing? 	ought to I have introduced?
ought to you have introduced?
ought to she have introduced?
ought to we have introduced?
ought to you have introduced?
ought to they have introduced? 	ought to I have been introducing?
ought to you have been introducing?
ought to she have been introducing?
ought to we have been introducing?
ought to you have been introducing?
ought to they have been introducing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to introduce?
ought you not to introduce?
ought she not to introduce?
ought we not to introduce?
ought you not to introduce?
ought they not to introduce? 	ought I not to be introducing?
ought you not to be introducing?
ought she not to be introducing?
ought we not to be introducing?
ought you not to be introducing?
ought they not to be introducing? 	ought I not to have introduced?
ought you not to have introduced?
ought she not to have introduced?
ought we not to have introduced?
ought you not to have introduced?
ought they not to have introduced? 	ought I not to have been introducing?
ought you not to have been introducing?
ought she not to have been introducing?
ought we not to have been introducing?
ought you not to have been introducing?
ought they not to have been introducing?