must lap
Verbo regular: lap - lapped- lapped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must lap
you must lap
he must lap
we must lap
you must lap
they must lap 	I must be lapping
you must be lapping
he must be lapping
we must be lapping
you must be lapping
they must be lapping	I must have lapped
you must have lapped
he must have lapped
we must have lapped
you must have lapped
they must have lapped	I must have been lapping
you must have been lapping
he must have been lapping
we must have been lapping
you must have been lapping
they must have been lapping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not lap
you must not lap
he must not lap
we must not lap
you must not lap
they must not lap 	I must not be lapping
you must not be lapping
he must not be lapping
we must not be lapping
you must not be lapping
they must not be lapping	I must not have lapped
you must not have lapped
he must not have lapped
we must not have lapped
you must not have lapped
they must not have lapped	I must not have been lapping
you must not have been lapping
he must not have been lapping
we must not have been lapping
you must not have been lapping
they must not have been lapping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I lap?
must you lap?
must he lap?
must we lap?
must you lap?
must they lap? 	must I be lapping?
must you be lapping?
must he be lapping?
must we be lapping?
must you be lapping?
must they be lapping? 	must I have lapped?
must you have lapped?
must he have lapped?
must we have lapped?
must you have lapped?
must they have lapped? 	must I have been lapping?
must you have been lapping?
must he have been lapping?
must we have been lapping?
must you have been lapping?
must they have been lapping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not lap?
must you not lap?
must he not lap?
must we not lap?
must you not lap?
must they not lap? 	must I not be lapping?
must you not be lapping?
must he not be lapping?
must we not be lapping?
must you not be lapping?
must they not be lapping? 	must I not have lapped?
must you not have lapped?
must he not have lapped?
must we not have lapped?
must you not have lapped?
must they not have lapped? 	must I not have been lapping?
must you not have been lapping?
must he not have been lapping?
must we not have been lapping?
must you not have been lapping?
must they not have been lapping?