ought to discontinue
Regular verb: discontinue - discontinued- discontinued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to discontinue
you ought to discontinue
she ought to discontinue
we ought to discontinue
you ought to discontinue
they ought to discontinue 	I ought to be discontinuing
you ought to be discontinuing
she ought to be discontinuing
we ought to be discontinuing
you ought to be discontinuing
they ought to be discontinuing	I ought to have discontinued
you ought to have discontinued
she ought to have discontinued
we ought to have discontinued
you ought to have discontinued
they ought to have discontinued	I ought to have been discontinuing
you ought to have been discontinuing
she ought to have been discontinuing
we ought to have been discontinuing
you ought to have been discontinuing
they ought to have been discontinuing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to discontinue
you oughtn't to discontinue
she oughtn't to discontinue
we oughtn't to discontinue
you oughtn't to discontinue
they oughtn't to discontinue 	I oughtn't to be discontinuing
you oughtn't to be discontinuing
she oughtn't to be discontinuing
we oughtn't to be discontinuing
you oughtn't to be discontinuing
they oughtn't to be discontinuing	I oughtn't to have discontinued
you oughtn't to have discontinued
she oughtn't to have discontinued
we oughtn't to have discontinued
you oughtn't to have discontinued
they oughtn't to have discontinued	I oughtn't to have been discontinuing
you oughtn't to have been discontinuing
she oughtn't to have been discontinuing
we oughtn't to have been discontinuing
you oughtn't to have been discontinuing
they oughtn't to have been discontinuing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I discontinue?
ought to you discontinue?
ought to she discontinue?
ought to we discontinue?
ought to you discontinue?
ought to they discontinue? 	ought to I be discontinuing?
ought to you be discontinuing?
ought to she be discontinuing?
ought to we be discontinuing?
ought to you be discontinuing?
ought to they be discontinuing? 	ought to I have discontinued?
ought to you have discontinued?
ought to she have discontinued?
ought to we have discontinued?
ought to you have discontinued?
ought to they have discontinued? 	ought to I have been discontinuing?
ought to you have been discontinuing?
ought to she have been discontinuing?
ought to we have been discontinuing?
ought to you have been discontinuing?
ought to they have been discontinuing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to discontinue?
oughtn't you to discontinue?
oughtn't she to discontinue?
oughtn't we to discontinue?
oughtn't you to discontinue?
oughtn't they to discontinue? 	oughtn't I to be discontinuing?
oughtn't you to be discontinuing?
oughtn't she to be discontinuing?
oughtn't we to be discontinuing?
oughtn't you to be discontinuing?
oughtn't they to be discontinuing? 	oughtn't I to have discontinued?
oughtn't you to have discontinued?
oughtn't she to have discontinued?
oughtn't we to have discontinued?
oughtn't you to have discontinued?
oughtn't they to have discontinued? 	oughtn't I to have been discontinuing?
oughtn't you to have been discontinuing?
oughtn't she to have been discontinuing?
oughtn't we to have been discontinuing?
oughtn't you to have been discontinuing?
oughtn't they to have been discontinuing?