Conjugación del verbo inglés
MUST KEY

Verbo regular: key - keyed - keyed

Afirmación

Forma simple	Forma 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
Perfecto	Perfecto con V-ing
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

Negación

Forma simple	Forma 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
Perfecto	Perfecto con V-ing
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 simple	Forma 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?
Perfecto	Perfecto con V-ing
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 simple	Forma 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?
Perfecto	Perfecto con V-ing
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?