English verb conjugation
OUGHT TO EXTEND

Regular verb: extend - extended - extended

Affirmation

Simple form	V-ing form
I ought to extend you ought to extend he ought to extend we ought to extend you ought to extend they ought to extend	I ought to be extending you ought to be extending he ought to be extending we ought to be extending you ought to be extending they ought to be extending
Perfect	V-ing perfect
I ought to have extended you ought to have extended he ought to have extended we ought to have extended you ought to have extended they ought to have extended	I ought to have been extending you ought to have been extending he ought to have been extending we ought to have been extending you ought to have been extending they ought to have been extending

Negation

Simple form	V-ing form
I oughtn't to extend you oughtn't to extend he oughtn't to extend we oughtn't to extend you oughtn't to extend they oughtn't to extend	I oughtn't to be extending you oughtn't to be extending he oughtn't to be extending we oughtn't to be extending you oughtn't to be extending they oughtn't to be extending
Perfect	V-ing perfect
I oughtn't to have extended you oughtn't to have extended he oughtn't to have extended we oughtn't to have extended you oughtn't to have extended they oughtn't to have extended	I oughtn't to have been extending you oughtn't to have been extending he oughtn't to have been extending we oughtn't to have been extending you oughtn't to have been extending they oughtn't to have been extending

Interrogative form

Simple form	V-ing form
ought to I extend? ought to you extend? ought to he extend? ought to we extend? ought to you extend? ought to they extend?	ought to I be extending? ought to you be extending? ought to he be extending? ought to we be extending? ought to you be extending? ought to they be extending?
Perfect	V-ing perfect
ought to I have extended? ought to you have extended? ought to he have extended? ought to we have extended? ought to you have extended? ought to they have extended?	ought to I have been extending? ought to you have been extending? ought to he have been extending? ought to we have been extending? ought to you have been extending? ought to they have been extending?

Interro-negative form

Simple form	V-ing form
oughtn't I to extend? oughtn't you to extend? oughtn't he to extend? oughtn't we to extend? oughtn't you to extend? oughtn't they to extend?	oughtn't I to be extending? oughtn't you to be extending? oughtn't he to be extending? oughtn't we to be extending? oughtn't you to be extending? oughtn't they to be extending?
Perfect	V-ing perfect
oughtn't I to have extended? oughtn't you to have extended? oughtn't he to have extended? oughtn't we to have extended? oughtn't you to have extended? oughtn't they to have extended?	oughtn't I to have been extending? oughtn't you to have been extending? oughtn't he to have been extending? oughtn't we to have been extending? oughtn't you to have been extending? oughtn't they to have been extending?