Conjugación del verbo inglés
MUST LOCK

Verbo regular: lock - locked - locked

Afirmación

Forma simple	Forma con V-ing
I must lock you must lock he must lock we must lock you must lock they must lock	I must be locking you must be locking he must be locking we must be locking you must be locking they must be locking
Perfecto	Perfecto con V-ing
I must have locked you must have locked he must have locked we must have locked you must have locked they must have locked	I must have been locking you must have been locking he must have been locking we must have been locking you must have been locking they must have been locking

Negación

Forma simple	Forma con V-ing
I mustn't lock you mustn't lock he mustn't lock we mustn't lock you mustn't lock they mustn't lock	I mustn't be locking you mustn't be locking he mustn't be locking we mustn't be locking you mustn't be locking they mustn't be locking
Perfecto	Perfecto con V-ing
I mustn't have locked you mustn't have locked he mustn't have locked we mustn't have locked you mustn't have locked they mustn't have locked	I mustn't have been locking you mustn't have been locking he mustn't have been locking we mustn't have been locking you mustn't have been locking they mustn't have been locking

Forma interrogativa

Forma simple	Forma con V-ing
must I lock? must you lock? must he lock? must we lock? must you lock? must they lock?	must I be locking? must you be locking? must he be locking? must we be locking? must you be locking? must they be locking?
Perfecto	Perfecto con V-ing
must I have locked? must you have locked? must he have locked? must we have locked? must you have locked? must they have locked?	must I have been locking? must you have been locking? must he have been locking? must we have been locking? must you have been locking? must they have been locking?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I lock? mustn't you lock? mustn't he lock? mustn't we lock? mustn't you lock? mustn't they lock?	mustn't I be locking? mustn't you be locking? mustn't he be locking? mustn't we be locking? mustn't you be locking? mustn't they be locking?
Perfecto	Perfecto con V-ing
mustn't I have locked? mustn't you have locked? mustn't he have locked? mustn't we have locked? mustn't you have locked? mustn't they have locked?	mustn't I have been locking? mustn't you have been locking? mustn't he have been locking? mustn't we have been locking? mustn't you have been locking? mustn't they have been locking?