English verb conjugation
OUGHT TO LAUGH

Regular verb: laugh - laughed - laughed

Affirmation

Simple form	V-ing form
I ought to laugh you ought to laugh he ought to laugh we ought to laugh you ought to laugh they ought to laugh	I ought to be laughing you ought to be laughing he ought to be laughing we ought to be laughing you ought to be laughing they ought to be laughing
Perfect	V-ing perfect
I ought to have laughed you ought to have laughed he ought to have laughed we ought to have laughed you ought to have laughed they ought to have laughed	I ought to have been laughing you ought to have been laughing he ought to have been laughing we ought to have been laughing you ought to have been laughing they ought to have been laughing

Negation

Simple form	V-ing form
I oughtn't to laugh you oughtn't to laugh he oughtn't to laugh we oughtn't to laugh you oughtn't to laugh they oughtn't to laugh	I oughtn't to be laughing you oughtn't to be laughing he oughtn't to be laughing we oughtn't to be laughing you oughtn't to be laughing they oughtn't to be laughing
Perfect	V-ing perfect
I oughtn't to have laughed you oughtn't to have laughed he oughtn't to have laughed we oughtn't to have laughed you oughtn't to have laughed they oughtn't to have laughed	I oughtn't to have been laughing you oughtn't to have been laughing he oughtn't to have been laughing we oughtn't to have been laughing you oughtn't to have been laughing they oughtn't to have been laughing

Interrogative form

Simple form	V-ing form
ought to I laugh? ought to you laugh? ought to he laugh? ought to we laugh? ought to you laugh? ought to they laugh?	ought to I be laughing? ought to you be laughing? ought to he be laughing? ought to we be laughing? ought to you be laughing? ought to they be laughing?
Perfect	V-ing perfect
ought to I have laughed? ought to you have laughed? ought to he have laughed? ought to we have laughed? ought to you have laughed? ought to they have laughed?	ought to I have been laughing? ought to you have been laughing? ought to he have been laughing? ought to we have been laughing? ought to you have been laughing? ought to they have been laughing?

Interro-negative form

Simple form	V-ing form
oughtn't I to laugh? oughtn't you to laugh? oughtn't he to laugh? oughtn't we to laugh? oughtn't you to laugh? oughtn't they to laugh?	oughtn't I to be laughing? oughtn't you to be laughing? oughtn't he to be laughing? oughtn't we to be laughing? oughtn't you to be laughing? oughtn't they to be laughing?
Perfect	V-ing perfect
oughtn't I to have laughed? oughtn't you to have laughed? oughtn't he to have laughed? oughtn't we to have laughed? oughtn't you to have laughed? oughtn't they to have laughed?	oughtn't I to have been laughing? oughtn't you to have been laughing? oughtn't he to have been laughing? oughtn't we to have been laughing? oughtn't you to have been laughing? oughtn't they to have been laughing?