must lick
Verbo regular: lick - licked- licked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must lick
you must lick
she must lick
we must lick
you must lick
they must lick 	I must be licking
you must be licking
she must be licking
we must be licking
you must be licking
they must be licking	I must have licked
you must have licked
she must have licked
we must have licked
you must have licked
they must have licked	I must have been licking
you must have been licking
she must have been licking
we must have been licking
you must have been licking
they must have been licking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not lick
you must not lick
she must not lick
we must not lick
you must not lick
they must not lick 	I must not be licking
you must not be licking
she must not be licking
we must not be licking
you must not be licking
they must not be licking	I must not have licked
you must not have licked
she must not have licked
we must not have licked
you must not have licked
they must not have licked	I must not have been licking
you must not have been licking
she must not have been licking
we must not have been licking
you must not have been licking
they must not have been licking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I lick?
must you lick?
must she lick?
must we lick?
must you lick?
must they lick? 	must I be licking?
must you be licking?
must she be licking?
must we be licking?
must you be licking?
must they be licking? 	must I have licked?
must you have licked?
must she have licked?
must we have licked?
must you have licked?
must they have licked? 	must I have been licking?
must you have been licking?
must she have been licking?
must we have been licking?
must you have been licking?
must they have been licking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not lick?
must you not lick?
must she not lick?
must we not lick?
must you not lick?
must they not lick? 	must I not be licking?
must you not be licking?
must she not be licking?
must we not be licking?
must you not be licking?
must they not be licking? 	must I not have licked?
must you not have licked?
must she not have licked?
must we not have licked?
must you not have licked?
must they not have licked? 	must I not have been licking?
must you not have been licking?
must she not have been licking?
must we not have been licking?
must you not have been licking?
must they not have been licking?