English verb conjugation
OUGHT TO FROWN

Regular verb: frown - frowned - frowned

Affirmation

Simple form	V-ing form
I ought to frown you ought to frown she ought to frown we ought to frown you ought to frown they ought to frown	I ought to be frowning you ought to be frowning she ought to be frowning we ought to be frowning you ought to be frowning they ought to be frowning
Perfect	V-ing perfect
I ought to have frowned you ought to have frowned she ought to have frowned we ought to have frowned you ought to have frowned they ought to have frowned	I ought to have been frowning you ought to have been frowning she ought to have been frowning we ought to have been frowning you ought to have been frowning they ought to have been frowning

Negation

Simple form	V-ing form
I oughtn't to frown you oughtn't to frown she oughtn't to frown we oughtn't to frown you oughtn't to frown they oughtn't to frown	I oughtn't to be frowning you oughtn't to be frowning she oughtn't to be frowning we oughtn't to be frowning you oughtn't to be frowning they oughtn't to be frowning
Perfect	V-ing perfect
I oughtn't to have frowned you oughtn't to have frowned she oughtn't to have frowned we oughtn't to have frowned you oughtn't to have frowned they oughtn't to have frowned	I oughtn't to have been frowning you oughtn't to have been frowning she oughtn't to have been frowning we oughtn't to have been frowning you oughtn't to have been frowning they oughtn't to have been frowning

Interrogative form

Simple form	V-ing form
ought to I frown? ought to you frown? ought to she frown? ought to we frown? ought to you frown? ought to they frown?	ought to I be frowning? ought to you be frowning? ought to she be frowning? ought to we be frowning? ought to you be frowning? ought to they be frowning?
Perfect	V-ing perfect
ought to I have frowned? ought to you have frowned? ought to she have frowned? ought to we have frowned? ought to you have frowned? ought to they have frowned?	ought to I have been frowning? ought to you have been frowning? ought to she have been frowning? ought to we have been frowning? ought to you have been frowning? ought to they have been frowning?

Interro-negative form

Simple form	V-ing form
oughtn't I to frown? oughtn't you to frown? oughtn't she to frown? oughtn't we to frown? oughtn't you to frown? oughtn't they to frown?	oughtn't I to be frowning? oughtn't you to be frowning? oughtn't she to be frowning? oughtn't we to be frowning? oughtn't you to be frowning? oughtn't they to be frowning?
Perfect	V-ing perfect
oughtn't I to have frowned? oughtn't you to have frowned? oughtn't she to have frowned? oughtn't we to have frowned? oughtn't you to have frowned? oughtn't they to have frowned?	oughtn't I to have been frowning? oughtn't you to have been frowning? oughtn't she to have been frowning? oughtn't we to have been frowning? oughtn't you to have been frowning? oughtn't they to have been frowning?