Conjugación del verbo inglés
MUST LOCK

Verbo regular: lock - locked - locked

Afirmación

Forma simple	Forma con V-ing
I must lock you must lock she must lock we must lock you must lock they must lock	I must be locking you must be locking she 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 she 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 she 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 must not lock you must not lock she must not lock we must not lock you must not lock they must not lock	I must not be locking you must not be locking she must not be locking we must not be locking you must not be locking they must not be locking
Perfecto	Perfecto con V-ing
I must not have locked you must not have locked she must not have locked we must not have locked you must not have locked they must not have locked	I must not have been locking you must not have been locking she must not have been locking we must not have been locking you must not have been locking they must not have been locking

Forma interrogativa

Forma simple	Forma con V-ing
must I lock? must you lock? must she lock? must we lock? must you lock? must they lock?	must I be locking? must you be locking? must she 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 she 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 she 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
must I not lock? must you not lock? must she not lock? must we not lock? must you not lock? must they not lock?	must I not be locking? must you not be locking? must she not be locking? must we not be locking? must you not be locking? must they not be locking?
Perfecto	Perfecto con V-ing
must I not have locked? must you not have locked? must she not have locked? must we not have locked? must you not have locked? must they not have locked?	must I not have been locking? must you not have been locking? must she not have been locking? must we not have been locking? must you not have been locking? must they not have been locking?