can lap
Regular verb: lap - lapped- lapped

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

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

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

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