should lap
Regular verb: lap - lapped- lapped

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not lap
you should not lap
he should not lap
we should not lap
you should not lap
they should not lap 	I should not be lapping
you should not be lapping
he should not be lapping
we should not be lapping
you should not be lapping
they should not be lapping	I should not have lapped
you should not have lapped
he should not have lapped
we should not have lapped
you should not have lapped
they should not have lapped	I should not have been lapping
you should not have been lapping
he should not have been lapping
we should not have been lapping
you should not have been lapping
they should not 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 	
should I not lap?
should you not lap?
should he not lap?
should we not lap?
should you not lap?
should they not lap? 	should I not be lapping?
should you not be lapping?
should he not be lapping?
should we not be lapping?
should you not be lapping?
should they not be lapping? 	should I not have lapped?
should you not have lapped?
should he not have lapped?
should we not have lapped?
should you not have lapped?
should they not have lapped? 	should I not have been lapping?
should you not have been lapping?
should he not have been lapping?
should we not have been lapping?
should you not have been lapping?
should they not have been lapping?