ought to collapse
Regular verb: collapse - collapsed- collapsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to collapse
you ought to collapse
she ought to collapse
we ought to collapse
you ought to collapse
they ought to collapse 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to collapse
you ought not to collapse
she ought not to collapse
we ought not to collapse
you ought not to collapse
they ought not to collapse 	I ought not to collapsing
you ought not to collapsing
she ought not to collapsing
we ought not to collapsing
you ought not to collapsing
they ought not to collapsing	I ought not to have collapsed
you ought not to have collapsed
she ought not to have collapsed
we ought not to have collapsed
you ought not to have collapsed
they ought not to have collapsed	I ought not to have been collapsing
you ought not to have been collapsing
she ought not to have been collapsing
we ought not to have been collapsing
you ought not to have been collapsing
they ought not to have been collapsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I collapse?
ought to you collapse?
ought to she collapse?
ought to we collapse?
ought to you collapse?
ought to they collapse? 	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? 	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? 	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 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to collapse?
ought you not to collapse?
ought she not to collapse?
ought we not to collapse?
ought you not to collapse?
ought they not to collapse? 	ought I not to be collapsing?
ought you not to be collapsing?
ought she not to be collapsing?
ought we not to be collapsing?
ought you not to be collapsing?
ought they not to be collapsing? 	ought I not to have collapsed?
ought you not to have collapsed?
ought she not to have collapsed?
ought we not to have collapsed?
ought you not to have collapsed?
ought they not to have collapsed? 	ought I not to have been collapsing?
ought you not to have been collapsing?
ought she not to have been collapsing?
ought we not to have been collapsing?
ought you not to have been collapsing?
ought they not to have been collapsing?