must key
Verbo regolare: key - keyed- keyed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must key
you must key
he must key
we must key
you must key
they must key 	I must be keying
you must be keying
he must be keying
we must be keying
you must be keying
they must be keying	I must have keyed
you must have keyed
he must have keyed
we must have keyed
you must have keyed
they must have keyed	I must have been keying
you must have been keying
he must have been keying
we must have been keying
you must have been keying
they must have been keying	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not key
you must not key
he must not key
we must not key
you must not key
they must not key 	I must not be keying
you must not be keying
he must not be keying
we must not be keying
you must not be keying
they must not be keying	I must not have keyed
you must not have keyed
he must not have keyed
we must not have keyed
you must not have keyed
they must not have keyed	I must not have been keying
you must not have been keying
he must not have been keying
we must not have been keying
you must not have been keying
they must not have been keying	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I key?
must you key?
must he key?
must we key?
must you key?
must they key? 	must I be keying?
must you be keying?
must he be keying?
must we be keying?
must you be keying?
must they be keying? 	must I have keyed?
must you have keyed?
must he have keyed?
must we have keyed?
must you have keyed?
must they have keyed? 	must I have been keying?
must you have been keying?
must he have been keying?
must we have been keying?
must you have been keying?
must they have been keying? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not key?
must you not key?
must he not key?
must we not key?
must you not key?
must they not key? 	must I not be keying?
must you not be keying?
must he not be keying?
must we not be keying?
must you not be keying?
must they not be keying? 	must I not have keyed?
must you not have keyed?
must he not have keyed?
must we not have keyed?
must you not have keyed?
must they not have keyed? 	must I not have been keying?
must you not have been keying?
must he not have been keying?
must we not have been keying?
must you not have been keying?
must they not have been keying?