ought to elapse
Regular verb: elapse - elapsed- elapsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to elapse
you ought to elapse
she ought to elapse
we ought to elapse
you ought to elapse
they ought to elapse 	I ought to be elapsing
you ought to be elapsing
she ought to be elapsing
we ought to be elapsing
you ought to be elapsing
they ought to be elapsing	I ought to have elapsed
you ought to have elapsed
she ought to have elapsed
we ought to have elapsed
you ought to have elapsed
they ought to have elapsed	I ought to have been elapsing
you ought to have been elapsing
she ought to have been elapsing
we ought to have been elapsing
you ought to have been elapsing
they ought to have been elapsing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to elapse
you oughtn't to elapse
she oughtn't to elapse
we oughtn't to elapse
you oughtn't to elapse
they oughtn't to elapse 	I oughtn't to be elapsing
you oughtn't to be elapsing
she oughtn't to be elapsing
we oughtn't to be elapsing
you oughtn't to be elapsing
they oughtn't to be elapsing	I oughtn't to have elapsed
you oughtn't to have elapsed
she oughtn't to have elapsed
we oughtn't to have elapsed
you oughtn't to have elapsed
they oughtn't to have elapsed	I oughtn't to have been elapsing
you oughtn't to have been elapsing
she oughtn't to have been elapsing
we oughtn't to have been elapsing
you oughtn't to have been elapsing
they oughtn't to have been elapsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I elapse?
ought to you elapse?
ought to she elapse?
ought to we elapse?
ought to you elapse?
ought to they elapse? 	ought to I be elapsing?
ought to you be elapsing?
ought to she be elapsing?
ought to we be elapsing?
ought to you be elapsing?
ought to they be elapsing? 	ought to I have elapsed?
ought to you have elapsed?
ought to she have elapsed?
ought to we have elapsed?
ought to you have elapsed?
ought to they have elapsed? 	ought to I have been elapsing?
ought to you have been elapsing?
ought to she have been elapsing?
ought to we have been elapsing?
ought to you have been elapsing?
ought to they have been elapsing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to elapse?
oughtn't you to elapse?
oughtn't she to elapse?
oughtn't we to elapse?
oughtn't you to elapse?
oughtn't they to elapse? 	oughtn't I to be elapsing?
oughtn't you to be elapsing?
oughtn't she to be elapsing?
oughtn't we to be elapsing?
oughtn't you to be elapsing?
oughtn't they to be elapsing? 	oughtn't I to have elapsed?
oughtn't you to have elapsed?
oughtn't she to have elapsed?
oughtn't we to have elapsed?
oughtn't you to have elapsed?
oughtn't they to have elapsed? 	oughtn't I to have been elapsing?
oughtn't you to have been elapsing?
oughtn't she to have been elapsing?
oughtn't we to have been elapsing?
oughtn't you to have been elapsing?
oughtn't they to have been elapsing?