must overbook
Verbo regular: overbook - overbooked- overbooked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must overbook
you must overbook
he must overbook
we must overbook
you must overbook
they must overbook 	I must be overbooking
you must be overbooking
he must be overbooking
we must be overbooking
you must be overbooking
they must be overbooking	I must have overbooked
you must have overbooked
he must have overbooked
we must have overbooked
you must have overbooked
they must have overbooked	I must have been overbooking
you must have been overbooking
he must have been overbooking
we must have been overbooking
you must have been overbooking
they must have been overbooking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not overbook
you must not overbook
he must not overbook
we must not overbook
you must not overbook
they must not overbook 	I must not be overbooking
you must not be overbooking
he must not be overbooking
we must not be overbooking
you must not be overbooking
they must not be overbooking	I must not have overbooked
you must not have overbooked
he must not have overbooked
we must not have overbooked
you must not have overbooked
they must not have overbooked	I must not have been overbooking
you must not have been overbooking
he must not have been overbooking
we must not have been overbooking
you must not have been overbooking
they must not have been overbooking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I overbook?
must you overbook?
must he overbook?
must we overbook?
must you overbook?
must they overbook? 	must I be overbooking?
must you be overbooking?
must he be overbooking?
must we be overbooking?
must you be overbooking?
must they be overbooking? 	must I have overbooked?
must you have overbooked?
must he have overbooked?
must we have overbooked?
must you have overbooked?
must they have overbooked? 	must I have been overbooking?
must you have been overbooking?
must he have been overbooking?
must we have been overbooking?
must you have been overbooking?
must they have been overbooking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not overbook?
must you not overbook?
must he not overbook?
must we not overbook?
must you not overbook?
must they not overbook? 	must I not be overbooking?
must you not be overbooking?
must he not be overbooking?
must we not be overbooking?
must you not be overbooking?
must they not be overbooking? 	must I not have overbooked?
must you not have overbooked?
must he not have overbooked?
must we not have overbooked?
must you not have overbooked?
must they not have overbooked? 	must I not have been overbooking?
must you not have been overbooking?
must he not have been overbooking?
must we not have been overbooking?
must you not have been overbooking?
must they not have been overbooking?