ought to substitute
Regular verb: substitute - substituted- substituted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to substitute
you ought to substitute
he ought to substitute
we ought to substitute
you ought to substitute
they ought to substitute 	I ought to be substituting
you ought to be substituting
he ought to be substituting
we ought to be substituting
you ought to be substituting
they ought to be substituting	I ought to have substituted
you ought to have substituted
he ought to have substituted
we ought to have substituted
you ought to have substituted
they ought to have substituted	I ought to have been substituting
you ought to have been substituting
he ought to have been substituting
we ought to have been substituting
you ought to have been substituting
they ought to have been substituting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to substitute
you ought not to substitute
he ought not to substitute
we ought not to substitute
you ought not to substitute
they ought not to substitute 	I ought not to substituting
you ought not to substituting
he ought not to substituting
we ought not to substituting
you ought not to substituting
they ought not to substituting	I ought not to have substituted
you ought not to have substituted
he ought not to have substituted
we ought not to have substituted
you ought not to have substituted
they ought not to have substituted	I ought not to have been substituting
you ought not to have been substituting
he ought not to have been substituting
we ought not to have been substituting
you ought not to have been substituting
they ought not to have been substituting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I substitute?
ought to you substitute?
ought to he substitute?
ought to we substitute?
ought to you substitute?
ought to they substitute? 	ought to I be substituting?
ought to you be substituting?
ought to he be substituting?
ought to we be substituting?
ought to you be substituting?
ought to they be substituting? 	ought to I have substituted?
ought to you have substituted?
ought to he have substituted?
ought to we have substituted?
ought to you have substituted?
ought to they have substituted? 	ought to I have been substituting?
ought to you have been substituting?
ought to he have been substituting?
ought to we have been substituting?
ought to you have been substituting?
ought to they have been substituting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to substitute?
ought you not to substitute?
ought he not to substitute?
ought we not to substitute?
ought you not to substitute?
ought they not to substitute? 	ought I not to be substituting?
ought you not to be substituting?
ought he not to be substituting?
ought we not to be substituting?
ought you not to be substituting?
ought they not to be substituting? 	ought I not to have substituted?
ought you not to have substituted?
ought he not to have substituted?
ought we not to have substituted?
ought you not to have substituted?
ought they not to have substituted? 	ought I not to have been substituting?
ought you not to have been substituting?
ought he not to have been substituting?
ought we not to have been substituting?
ought you not to have been substituting?
ought they not to have been substituting?