English verb conjugation
OUGHT TO BUTTRESS

Regular verb: buttress - buttressed - buttressed

Affirmation

Simple form	V-ing form
I ought to buttress you ought to buttress he ought to buttress we ought to buttress you ought to buttress they ought to buttress	I ought to be buttressing you ought to be buttressing he ought to be buttressing we ought to be buttressing you ought to be buttressing they ought to be buttressing
Perfect	V-ing perfect
I ought to have buttressed you ought to have buttressed he ought to have buttressed we ought to have buttressed you ought to have buttressed they ought to have buttressed	I ought to have been buttressing you ought to have been buttressing he ought to have been buttressing we ought to have been buttressing you ought to have been buttressing they ought to have been buttressing

Negation

Simple form	V-ing form
I oughtn't to buttress you oughtn't to buttress he oughtn't to buttress we oughtn't to buttress you oughtn't to buttress they oughtn't to buttress	I oughtn't to be buttressing you oughtn't to be buttressing he oughtn't to be buttressing we oughtn't to be buttressing you oughtn't to be buttressing they oughtn't to be buttressing
Perfect	V-ing perfect
I oughtn't to have buttressed you oughtn't to have buttressed he oughtn't to have buttressed we oughtn't to have buttressed you oughtn't to have buttressed they oughtn't to have buttressed	I oughtn't to have been buttressing you oughtn't to have been buttressing he oughtn't to have been buttressing we oughtn't to have been buttressing you oughtn't to have been buttressing they oughtn't to have been buttressing

Interrogative form

Simple form	V-ing form
ought to I buttress? ought to you buttress? ought to he buttress? ought to we buttress? ought to you buttress? ought to they buttress?	ought to I be buttressing? ought to you be buttressing? ought to he be buttressing? ought to we be buttressing? ought to you be buttressing? ought to they be buttressing?
Perfect	V-ing perfect
ought to I have buttressed? ought to you have buttressed? ought to he have buttressed? ought to we have buttressed? ought to you have buttressed? ought to they have buttressed?	ought to I have been buttressing? ought to you have been buttressing? ought to he have been buttressing? ought to we have been buttressing? ought to you have been buttressing? ought to they have been buttressing?

Interro-negative form

Simple form	V-ing form
oughtn't I to buttress? oughtn't you to buttress? oughtn't he to buttress? oughtn't we to buttress? oughtn't you to buttress? oughtn't they to buttress?	oughtn't I to be buttressing? oughtn't you to be buttressing? oughtn't he to be buttressing? oughtn't we to be buttressing? oughtn't you to be buttressing? oughtn't they to be buttressing?
Perfect	V-ing perfect
oughtn't I to have buttressed? oughtn't you to have buttressed? oughtn't he to have buttressed? oughtn't we to have buttressed? oughtn't you to have buttressed? oughtn't they to have buttressed?	oughtn't I to have been buttressing? oughtn't you to have been buttressing? oughtn't he to have been buttressing? oughtn't we to have been buttressing? oughtn't you to have been buttressing? oughtn't they to have been buttressing?