English verb conjugation
OUGHT TO UNDERDRESS

Regular verb: underdress - underdressed - underdressed

Affirmation

Simple form	V-ing form
I ought to underdress you ought to underdress she ought to underdress we ought to underdress you ought to underdress they ought to underdress	I ought to be underdressing you ought to be underdressing she ought to be underdressing we ought to be underdressing you ought to be underdressing they ought to be underdressing
Perfect	V-ing perfect
I ought to have underdressed you ought to have underdressed she ought to have underdressed we ought to have underdressed you ought to have underdressed they ought to have underdressed	I ought to have been underdressing you ought to have been underdressing she ought to have been underdressing we ought to have been underdressing you ought to have been underdressing they ought to have been underdressing

Negation

Simple form	V-ing form
I oughtn't to underdress you oughtn't to underdress she oughtn't to underdress we oughtn't to underdress you oughtn't to underdress they oughtn't to underdress	I oughtn't to be underdressing you oughtn't to be underdressing she oughtn't to be underdressing we oughtn't to be underdressing you oughtn't to be underdressing they oughtn't to be underdressing
Perfect	V-ing perfect
I oughtn't to have underdressed you oughtn't to have underdressed she oughtn't to have underdressed we oughtn't to have underdressed you oughtn't to have underdressed they oughtn't to have underdressed	I oughtn't to have been underdressing you oughtn't to have been underdressing she oughtn't to have been underdressing we oughtn't to have been underdressing you oughtn't to have been underdressing they oughtn't to have been underdressing

Interrogative form

Simple form	V-ing form
ought to I underdress? ought to you underdress? ought to she underdress? ought to we underdress? ought to you underdress? ought to they underdress?	ought to I be underdressing? ought to you be underdressing? ought to she be underdressing? ought to we be underdressing? ought to you be underdressing? ought to they be underdressing?
Perfect	V-ing perfect
ought to I have underdressed? ought to you have underdressed? ought to she have underdressed? ought to we have underdressed? ought to you have underdressed? ought to they have underdressed?	ought to I have been underdressing? ought to you have been underdressing? ought to she have been underdressing? ought to we have been underdressing? ought to you have been underdressing? ought to they have been underdressing?

Interro-negative form

Simple form	V-ing form
oughtn't I to underdress? oughtn't you to underdress? oughtn't she to underdress? oughtn't we to underdress? oughtn't you to underdress? oughtn't they to underdress?	oughtn't I to be underdressing? oughtn't you to be underdressing? oughtn't she to be underdressing? oughtn't we to be underdressing? oughtn't you to be underdressing? oughtn't they to be underdressing?
Perfect	V-ing perfect
oughtn't I to have underdressed? oughtn't you to have underdressed? oughtn't she to have underdressed? oughtn't we to have underdressed? oughtn't you to have underdressed? oughtn't they to have underdressed?	oughtn't I to have been underdressing? oughtn't you to have been underdressing? oughtn't she to have been underdressing? oughtn't we to have been underdressing? oughtn't you to have been underdressing? oughtn't they to have been underdressing?