ought to dilute
Regular verb: dilute - diluted- diluted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to dilute
you ought to dilute
she ought to dilute
we ought to dilute
you ought to dilute
they ought to dilute 	I ought to be diluting
you ought to be diluting
she ought to be diluting
we ought to be diluting
you ought to be diluting
they ought to be diluting	I ought to have diluted
you ought to have diluted
she ought to have diluted
we ought to have diluted
you ought to have diluted
they ought to have diluted	I ought to have been diluting
you ought to have been diluting
she ought to have been diluting
we ought to have been diluting
you ought to have been diluting
they ought to have been diluting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to dilute
you oughtn't to dilute
she oughtn't to dilute
we oughtn't to dilute
you oughtn't to dilute
they oughtn't to dilute 	I oughtn't to be diluting
you oughtn't to be diluting
she oughtn't to be diluting
we oughtn't to be diluting
you oughtn't to be diluting
they oughtn't to be diluting	I oughtn't to have diluted
you oughtn't to have diluted
she oughtn't to have diluted
we oughtn't to have diluted
you oughtn't to have diluted
they oughtn't to have diluted	I oughtn't to have been diluting
you oughtn't to have been diluting
she oughtn't to have been diluting
we oughtn't to have been diluting
you oughtn't to have been diluting
they oughtn't to have been diluting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I dilute?
ought to you dilute?
ought to she dilute?
ought to we dilute?
ought to you dilute?
ought to they dilute? 	ought to I be diluting?
ought to you be diluting?
ought to she be diluting?
ought to we be diluting?
ought to you be diluting?
ought to they be diluting? 	ought to I have diluted?
ought to you have diluted?
ought to she have diluted?
ought to we have diluted?
ought to you have diluted?
ought to they have diluted? 	ought to I have been diluting?
ought to you have been diluting?
ought to she have been diluting?
ought to we have been diluting?
ought to you have been diluting?
ought to they have been diluting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to dilute?
oughtn't you to dilute?
oughtn't she to dilute?
oughtn't we to dilute?
oughtn't you to dilute?
oughtn't they to dilute? 	oughtn't I to be diluting?
oughtn't you to be diluting?
oughtn't she to be diluting?
oughtn't we to be diluting?
oughtn't you to be diluting?
oughtn't they to be diluting? 	oughtn't I to have diluted?
oughtn't you to have diluted?
oughtn't she to have diluted?
oughtn't we to have diluted?
oughtn't you to have diluted?
oughtn't they to have diluted? 	oughtn't I to have been diluting?
oughtn't you to have been diluting?
oughtn't she to have been diluting?
oughtn't we to have been diluting?
oughtn't you to have been diluting?
oughtn't they to have been diluting?