I ought to laugh you ought to laugh she ought to laugh we ought to laugh you ought to laugh they ought to laugh
V-ing form
I ought to be laughing you ought to be laughing she ought to be laughing we ought to be laughing you ought to be laughing they ought to be laughing
Perfect
I ought to have laughed you ought to have laughed she ought to have laughed we ought to have laughed you ought to have laughed they ought to have laughed
V-ing perfect
I ought to have been laughing you ought to have been laughing she 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
I ought not to laugh you ought not to laugh she ought not to laugh we ought not to laugh you ought not to laugh they ought not to laugh
V-ing form
I ought not to laughing you ought not to laughing she ought not to laughing we ought not to laughing you ought not to laughing they ought not to laughing
Perfect
I ought not to have laughed you ought not to have laughed she ought not to have laughed we ought not to have laughed you ought not to have laughed they ought not to have laughed
V-ing perfect
I ought not to have been laughing you ought not to have been laughing she ought not to have been laughing we ought not to have been laughing you ought not to have been laughing they ought not to have been laughing
Interrogative form
Simple form
ought to I laugh? ought to you laugh? ought to she laugh? ought to we laugh? ought to you laugh? ought to they laugh?
V-ing form
ought to I be laughing? ought to you be laughing? ought to she be laughing? ought to we be laughing? ought to you be laughing? ought to they be laughing?
Perfect
ought to I have laughed? ought to you have laughed? ought to she have laughed? ought to we have laughed? ought to you have laughed? ought to they have laughed?
V-ing perfect
ought to I have been laughing? ought to you have been laughing? ought to she 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
ought I not to laugh? ought you not to laugh? ought she not to laugh? ought we not to laugh? ought you not to laugh? ought they not to laugh?
V-ing form
ought I not to be laughing? ought you not to be laughing? ought she not to be laughing? ought we not to be laughing? ought you not to be laughing? ought they not to be laughing?
Perfect
ought I not to have laughed? ought you not to have laughed? ought she not to have laughed? ought we not to have laughed? ought you not to have laughed? ought they not to have laughed?
V-ing perfect
ought I not to have been laughing? ought you not to have been laughing? ought she not to have been laughing? ought we not to have been laughing? ought you not to have been laughing? ought they not to have been laughing?