English verb conjugation
OUGHT TO GROUP

Regular verb: group - grouped - grouped

Affirmation

Simple form	V-ing form
I ought to group you ought to group she ought to group we ought to group you ought to group they ought to group	I ought to be grouping you ought to be grouping she ought to be grouping we ought to be grouping you ought to be grouping they ought to be grouping
Perfect	V-ing perfect
I ought to have grouped you ought to have grouped she ought to have grouped we ought to have grouped you ought to have grouped they ought to have grouped	I ought to have been grouping you ought to have been grouping she ought to have been grouping we ought to have been grouping you ought to have been grouping they ought to have been grouping

Negation

Simple form	V-ing form
I oughtn't to group you oughtn't to group she oughtn't to group we oughtn't to group you oughtn't to group they oughtn't to group	I oughtn't to be grouping you oughtn't to be grouping she oughtn't to be grouping we oughtn't to be grouping you oughtn't to be grouping they oughtn't to be grouping
Perfect	V-ing perfect
I oughtn't to have grouped you oughtn't to have grouped she oughtn't to have grouped we oughtn't to have grouped you oughtn't to have grouped they oughtn't to have grouped	I oughtn't to have been grouping you oughtn't to have been grouping she oughtn't to have been grouping we oughtn't to have been grouping you oughtn't to have been grouping they oughtn't to have been grouping

Interrogative form

Simple form	V-ing form
ought to I group? ought to you group? ought to she group? ought to we group? ought to you group? ought to they group?	ought to I be grouping? ought to you be grouping? ought to she be grouping? ought to we be grouping? ought to you be grouping? ought to they be grouping?
Perfect	V-ing perfect
ought to I have grouped? ought to you have grouped? ought to she have grouped? ought to we have grouped? ought to you have grouped? ought to they have grouped?	ought to I have been grouping? ought to you have been grouping? ought to she have been grouping? ought to we have been grouping? ought to you have been grouping? ought to they have been grouping?

Interro-negative form

Simple form	V-ing form
oughtn't I to group? oughtn't you to group? oughtn't she to group? oughtn't we to group? oughtn't you to group? oughtn't they to group?	oughtn't I to be grouping? oughtn't you to be grouping? oughtn't she to be grouping? oughtn't we to be grouping? oughtn't you to be grouping? oughtn't they to be grouping?
Perfect	V-ing perfect
oughtn't I to have grouped? oughtn't you to have grouped? oughtn't she to have grouped? oughtn't we to have grouped? oughtn't you to have grouped? oughtn't they to have grouped?	oughtn't I to have been grouping? oughtn't you to have been grouping? oughtn't she to have been grouping? oughtn't we to have been grouping? oughtn't you to have been grouping? oughtn't they to have been grouping?