I ought to collapse you ought to collapse she ought to collapse we ought to collapse you ought to collapse they ought to collapse
V-ing form
I ought to be collapsing you ought to be collapsing she ought to be collapsing we ought to be collapsing you ought to be collapsing they ought to be collapsing
Perfect
I ought to have collapsed you ought to have collapsed she ought to have collapsed we ought to have collapsed you ought to have collapsed they ought to have collapsed
V-ing perfect
I ought to have been collapsing you ought to have been collapsing she ought to have been collapsing we ought to have been collapsing you ought to have been collapsing they ought to have been collapsing
Negation
Simple form
I oughtn't to collapse you oughtn't to collapse she oughtn't to collapse we oughtn't to collapse you oughtn't to collapse they oughtn't to collapse
V-ing form
I oughtn't to be collapsing you oughtn't to be collapsing she oughtn't to be collapsing we oughtn't to be collapsing you oughtn't to be collapsing they oughtn't to be collapsing
Perfect
I oughtn't to have collapsed you oughtn't to have collapsed she oughtn't to have collapsed we oughtn't to have collapsed you oughtn't to have collapsed they oughtn't to have collapsed
V-ing perfect
I oughtn't to have been collapsing you oughtn't to have been collapsing she oughtn't to have been collapsing we oughtn't to have been collapsing you oughtn't to have been collapsing they oughtn't to have been collapsing
Interrogative form
Simple form
ought to I collapse? ought to you collapse? ought to she collapse? ought to we collapse? ought to you collapse? ought to they collapse?
V-ing form
ought to I be collapsing? ought to you be collapsing? ought to she be collapsing? ought to we be collapsing? ought to you be collapsing? ought to they be collapsing?
Perfect
ought to I have collapsed? ought to you have collapsed? ought to she have collapsed? ought to we have collapsed? ought to you have collapsed? ought to they have collapsed?
V-ing perfect
ought to I have been collapsing? ought to you have been collapsing? ought to she have been collapsing? ought to we have been collapsing? ought to you have been collapsing? ought to they have been collapsing?
Interro-negative form
Simple form
oughtn't I to collapse? oughtn't you to collapse? oughtn't she to collapse? oughtn't we to collapse? oughtn't you to collapse? oughtn't they to collapse?
V-ing form
oughtn't I to be collapsing? oughtn't you to be collapsing? oughtn't she to be collapsing? oughtn't we to be collapsing? oughtn't you to be collapsing? oughtn't they to be collapsing?
Perfect
oughtn't I to have collapsed? oughtn't you to have collapsed? oughtn't she to have collapsed? oughtn't we to have collapsed? oughtn't you to have collapsed? oughtn't they to have collapsed?
V-ing perfect
oughtn't I to have been collapsing? oughtn't you to have been collapsing? oughtn't she to have been collapsing? oughtn't we to have been collapsing? oughtn't you to have been collapsing? oughtn't they to have been collapsing?