English verb conjugation
OUGHT TO COMBINE

Regular verb: combine - combined - combined

Affirmation

Simple form	V-ing form
I ought to combine you ought to combine she ought to combine we ought to combine you ought to combine they ought to combine	I ought to be combining you ought to be combining she ought to be combining we ought to be combining you ought to be combining they ought to be combining
Perfect	V-ing perfect
I ought to have combined you ought to have combined she ought to have combined we ought to have combined you ought to have combined they ought to have combined	I ought to have been combining you ought to have been combining she ought to have been combining we ought to have been combining you ought to have been combining they ought to have been combining

Negation

Simple form	V-ing form
I oughtn't to combine you oughtn't to combine she oughtn't to combine we oughtn't to combine you oughtn't to combine they oughtn't to combine	I oughtn't to be combining you oughtn't to be combining she oughtn't to be combining we oughtn't to be combining you oughtn't to be combining they oughtn't to be combining
Perfect	V-ing perfect
I oughtn't to have combined you oughtn't to have combined she oughtn't to have combined we oughtn't to have combined you oughtn't to have combined they oughtn't to have combined	I oughtn't to have been combining you oughtn't to have been combining she oughtn't to have been combining we oughtn't to have been combining you oughtn't to have been combining they oughtn't to have been combining

Interrogative form

Simple form	V-ing form
ought to I combine? ought to you combine? ought to she combine? ought to we combine? ought to you combine? ought to they combine?	ought to I be combining? ought to you be combining? ought to she be combining? ought to we be combining? ought to you be combining? ought to they be combining?
Perfect	V-ing perfect
ought to I have combined? ought to you have combined? ought to she have combined? ought to we have combined? ought to you have combined? ought to they have combined?	ought to I have been combining? ought to you have been combining? ought to she have been combining? ought to we have been combining? ought to you have been combining? ought to they have been combining?

Interro-negative form

Simple form	V-ing form
oughtn't I to combine? oughtn't you to combine? oughtn't she to combine? oughtn't we to combine? oughtn't you to combine? oughtn't they to combine?	oughtn't I to be combining? oughtn't you to be combining? oughtn't she to be combining? oughtn't we to be combining? oughtn't you to be combining? oughtn't they to be combining?
Perfect	V-ing perfect
oughtn't I to have combined? oughtn't you to have combined? oughtn't she to have combined? oughtn't we to have combined? oughtn't you to have combined? oughtn't they to have combined?	oughtn't I to have been combining? oughtn't you to have been combining? oughtn't she to have been combining? oughtn't we to have been combining? oughtn't you to have been combining? oughtn't they to have been combining?