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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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?