ought to lap
Regular verb: lap - lapped- lapped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to lap
you ought to lap
he ought to lap
we ought to lap
you ought to lap
they ought to lap 	I ought to be lapping
you ought to be lapping
he ought to be lapping
we ought to be lapping
you ought to be lapping
they ought to be lapping	I ought to have lapped
you ought to have lapped
he ought to have lapped
we ought to have lapped
you ought to have lapped
they ought to have lapped	I ought to have been lapping
you ought to have been lapping
he ought to have been lapping
we ought to have been lapping
you ought to have been lapping
they ought to have been lapping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to lap
you oughtn't to lap
he oughtn't to lap
we oughtn't to lap
you oughtn't to lap
they oughtn't to lap 	I oughtn't to be lapping
you oughtn't to be lapping
he oughtn't to be lapping
we oughtn't to be lapping
you oughtn't to be lapping
they oughtn't to be lapping	I oughtn't to have lapped
you oughtn't to have lapped
he oughtn't to have lapped
we oughtn't to have lapped
you oughtn't to have lapped
they oughtn't to have lapped	I oughtn't to have been lapping
you oughtn't to have been lapping
he oughtn't to have been lapping
we oughtn't to have been lapping
you oughtn't to have been lapping
they oughtn't to have been lapping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I lap?
ought to you lap?
ought to he lap?
ought to we lap?
ought to you lap?
ought to they lap? 	ought to I be lapping?
ought to you be lapping?
ought to he be lapping?
ought to we be lapping?
ought to you be lapping?
ought to they be lapping? 	ought to I have lapped?
ought to you have lapped?
ought to he have lapped?
ought to we have lapped?
ought to you have lapped?
ought to they have lapped? 	ought to I have been lapping?
ought to you have been lapping?
ought to he have been lapping?
ought to we have been lapping?
ought to you have been lapping?
ought to they have been lapping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to lap?
oughtn't you to lap?
oughtn't he to lap?
oughtn't we to lap?
oughtn't you to lap?
oughtn't they to lap? 	oughtn't I to be lapping?
oughtn't you to be lapping?
oughtn't he to be lapping?
oughtn't we to be lapping?
oughtn't you to be lapping?
oughtn't they to be lapping? 	oughtn't I to have lapped?
oughtn't you to have lapped?
oughtn't he to have lapped?
oughtn't we to have lapped?
oughtn't you to have lapped?
oughtn't they to have lapped? 	oughtn't I to have been lapping?
oughtn't you to have been lapping?
oughtn't he to have been lapping?
oughtn't we to have been lapping?
oughtn't you to have been lapping?
oughtn't they to have been lapping?