should lap
Regular verb: lap - lapped- lapped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd lap
you'd lap
he'd lap
we'd lap
you'd lap
they'd lap 	I'd be lapping
you'd be lapping
he'd be lapping
we'd be lapping
you'd be lapping
they'd be lapping	I should've lapped
you should've lapped
he should've lapped
we should've lapped
you should've lapped
they should've lapped	I should've been lapping
you should've been lapping
he should've been lapping
we should've been lapping
you should've been lapping
they should've been lapping	

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

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

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