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
she must bit
we must bit
you must bit
they must bit 	I must be biting
you must be biting
she must be biting
we must be biting
you must be biting
they must be biting	I must have bited
you must have bited
she 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
she 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
she 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
she 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
she 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
she 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 she bit?
must we bit?
must you bit?
must they bit? 	must I be biting?
must you be biting?
must she be biting?
must we be biting?
must you be biting?
must they be biting? 	must I have bited?
must you have bited?
must she 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 she 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 she 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 she 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 she 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 she not have been biting?
must we not have been biting?
must you not have been biting?
must they not have been biting?