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 oughtn't to substitute
you oughtn't to substitute
he oughtn't to substitute
we oughtn't to substitute
you oughtn't to substitute
they oughtn't to substitute 	I oughtn't to be substituting
you oughtn't to be substituting
he oughtn't to be substituting
we oughtn't to be substituting
you oughtn't to be substituting
they oughtn't to be substituting	I oughtn't to have substituted
you oughtn't to have substituted
he oughtn't to have substituted
we oughtn't to have substituted
you oughtn't to have substituted
they oughtn't to have substituted	I oughtn't to have been substituting
you oughtn't to have been substituting
he oughtn't to have been substituting
we oughtn't to have been substituting
you oughtn't to have been substituting
they oughtn't 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 	
oughtn't I to substitute?
oughtn't you to substitute?
oughtn't he to substitute?
oughtn't we to substitute?
oughtn't you to substitute?
oughtn't they to substitute? 	oughtn't I to be substituting?
oughtn't you to be substituting?
oughtn't he to be substituting?
oughtn't we to be substituting?
oughtn't you to be substituting?
oughtn't they to be substituting? 	oughtn't I to have substituted?
oughtn't you to have substituted?
oughtn't he to have substituted?
oughtn't we to have substituted?
oughtn't you to have substituted?
oughtn't they to have substituted? 	oughtn't I to have been substituting?
oughtn't you to have been substituting?
oughtn't he to have been substituting?
oughtn't we to have been substituting?
oughtn't you to have been substituting?
oughtn't they to have been substituting?