English verb conjugation
OUGHT TO CONGRATULATE

Regular verb: congratulate - congratulated - congratulated

Affirmation

Simple form	V-ing form
I ought to congratulate you ought to congratulate she ought to congratulate we ought to congratulate you ought to congratulate they ought to congratulate	I ought to be congratulating you ought to be congratulating she ought to be congratulating we ought to be congratulating you ought to be congratulating they ought to be congratulating
Perfect	V-ing perfect
I ought to have congratulated you ought to have congratulated she ought to have congratulated we ought to have congratulated you ought to have congratulated they ought to have congratulated	I ought to have been congratulating you ought to have been congratulating she ought to have been congratulating we ought to have been congratulating you ought to have been congratulating they ought to have been congratulating

Negation

Simple form	V-ing form
I oughtn't to congratulate you oughtn't to congratulate she oughtn't to congratulate we oughtn't to congratulate you oughtn't to congratulate they oughtn't to congratulate	I oughtn't to be congratulating you oughtn't to be congratulating she oughtn't to be congratulating we oughtn't to be congratulating you oughtn't to be congratulating they oughtn't to be congratulating
Perfect	V-ing perfect
I oughtn't to have congratulated you oughtn't to have congratulated she oughtn't to have congratulated we oughtn't to have congratulated you oughtn't to have congratulated they oughtn't to have congratulated	I oughtn't to have been congratulating you oughtn't to have been congratulating she oughtn't to have been congratulating we oughtn't to have been congratulating you oughtn't to have been congratulating they oughtn't to have been congratulating

Interrogative form

Simple form	V-ing form
ought to I congratulate? ought to you congratulate? ought to she congratulate? ought to we congratulate? ought to you congratulate? ought to they congratulate?	ought to I be congratulating? ought to you be congratulating? ought to she be congratulating? ought to we be congratulating? ought to you be congratulating? ought to they be congratulating?
Perfect	V-ing perfect
ought to I have congratulated? ought to you have congratulated? ought to she have congratulated? ought to we have congratulated? ought to you have congratulated? ought to they have congratulated?	ought to I have been congratulating? ought to you have been congratulating? ought to she have been congratulating? ought to we have been congratulating? ought to you have been congratulating? ought to they have been congratulating?

Interro-negative form

Simple form	V-ing form
oughtn't I to congratulate? oughtn't you to congratulate? oughtn't she to congratulate? oughtn't we to congratulate? oughtn't you to congratulate? oughtn't they to congratulate?	oughtn't I to be congratulating? oughtn't you to be congratulating? oughtn't she to be congratulating? oughtn't we to be congratulating? oughtn't you to be congratulating? oughtn't they to be congratulating?
Perfect	V-ing perfect
oughtn't I to have congratulated? oughtn't you to have congratulated? oughtn't she to have congratulated? oughtn't we to have congratulated? oughtn't you to have congratulated? oughtn't they to have congratulated?	oughtn't I to have been congratulating? oughtn't you to have been congratulating? oughtn't she to have been congratulating? oughtn't we to have been congratulating? oughtn't you to have been congratulating? oughtn't they to have been congratulating?