must bit
Verbo regular: bit - bited- bited

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must bit
you must bit
he must bit
we must bit
you must bit
they must bit 	I must be biting
you must be biting
he must be biting
we must be biting
you must be biting
they must be biting	I must have bited
you must have bited
he must have bited
we must have bited
you must have bited
they must have bited	I must have been biting
you must have been biting
he must have been biting
we must have been biting
you must have been biting
they must have been biting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not bit
you must not bit
he must not bit
we must not bit
you must not bit
they must not bit 	I must not be biting
you must not be biting
he must not be biting
we must not be biting
you must not be biting
they must not be biting	I must not have bited
you must not have bited
he must not have bited
we must not have bited
you must not have bited
they must not have bited	I must not have been biting
you must not have been biting
he must not have been biting
we must not have been biting
you must not have been biting
they must not have been biting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I bit?
must you bit?
must he bit?
must we bit?
must you bit?
must they bit? 	must I be biting?
must you be biting?
must he be biting?
must we be biting?
must you be biting?
must they be biting? 	must I have bited?
must you have bited?
must he have bited?
must we have bited?
must you have bited?
must they have bited? 	must I have been biting?
must you have been biting?
must he have been biting?
must we have been biting?
must you have been biting?
must they have been biting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not bit?
must you not bit?
must he not bit?
must we not bit?
must you not bit?
must they not bit? 	must I not be biting?
must you not be biting?
must he not be biting?
must we not be biting?
must you not be biting?
must they not be biting? 	must I not have bited?
must you not have bited?
must he not have bited?
must we not have bited?
must you not have bited?
must they not have bited? 	must I not have been biting?
must you not have been biting?
must he not have been biting?
must we not have been biting?
must you not have been biting?
must they not have been biting?