English verb conjugation
OUGHT TO TAX

Regular verb: tax - taxed - taxed

Affirmation

Simple form	V-ing form
I ought to tax you ought to tax he ought to tax we ought to tax you ought to tax they ought to tax	I ought to be taxing you ought to be taxing he ought to be taxing we ought to be taxing you ought to be taxing they ought to be taxing
Perfect	V-ing perfect
I ought to have taxed you ought to have taxed he ought to have taxed we ought to have taxed you ought to have taxed they ought to have taxed	I ought to have been taxing you ought to have been taxing he ought to have been taxing we ought to have been taxing you ought to have been taxing they ought to have been taxing

Negation

Simple form	V-ing form
I oughtn't to tax you oughtn't to tax he oughtn't to tax we oughtn't to tax you oughtn't to tax they oughtn't to tax	I oughtn't to be taxing you oughtn't to be taxing he oughtn't to be taxing we oughtn't to be taxing you oughtn't to be taxing they oughtn't to be taxing
Perfect	V-ing perfect
I oughtn't to have taxed you oughtn't to have taxed he oughtn't to have taxed we oughtn't to have taxed you oughtn't to have taxed they oughtn't to have taxed	I oughtn't to have been taxing you oughtn't to have been taxing he oughtn't to have been taxing we oughtn't to have been taxing you oughtn't to have been taxing they oughtn't to have been taxing

Interrogative form

Simple form	V-ing form
ought to I tax? ought to you tax? ought to he tax? ought to we tax? ought to you tax? ought to they tax?	ought to I be taxing? ought to you be taxing? ought to he be taxing? ought to we be taxing? ought to you be taxing? ought to they be taxing?
Perfect	V-ing perfect
ought to I have taxed? ought to you have taxed? ought to he have taxed? ought to we have taxed? ought to you have taxed? ought to they have taxed?	ought to I have been taxing? ought to you have been taxing? ought to he have been taxing? ought to we have been taxing? ought to you have been taxing? ought to they have been taxing?

Interro-negative form

Simple form	V-ing form
oughtn't I to tax? oughtn't you to tax? oughtn't he to tax? oughtn't we to tax? oughtn't you to tax? oughtn't they to tax?	oughtn't I to be taxing? oughtn't you to be taxing? oughtn't he to be taxing? oughtn't we to be taxing? oughtn't you to be taxing? oughtn't they to be taxing?
Perfect	V-ing perfect
oughtn't I to have taxed? oughtn't you to have taxed? oughtn't he to have taxed? oughtn't we to have taxed? oughtn't you to have taxed? oughtn't they to have taxed?	oughtn't I to have been taxing? oughtn't you to have been taxing? oughtn't he to have been taxing? oughtn't we to have been taxing? oughtn't you to have been taxing? oughtn't they to have been taxing?