Conjugación del verbo inglés
MUST CAVERN

Verbo regular: cavern - caverned - caverned

Afirmación

Forma simple	Forma con V-ing
I must cavern you must cavern he must cavern we must cavern you must cavern they must cavern	I must be caverning you must be caverning he must be caverning we must be caverning you must be caverning they must be caverning
Perfecto	Perfecto con V-ing
I must have caverned you must have caverned he must have caverned we must have caverned you must have caverned they must have caverned	I must have been caverning you must have been caverning he must have been caverning we must have been caverning you must have been caverning they must have been caverning

Negación

Forma simple	Forma con V-ing
I must not cavern you must not cavern he must not cavern we must not cavern you must not cavern they must not cavern	I must not be caverning you must not be caverning he must not be caverning we must not be caverning you must not be caverning they must not be caverning
Perfecto	Perfecto con V-ing
I must not have caverned you must not have caverned he must not have caverned we must not have caverned you must not have caverned they must not have caverned	I must not have been caverning you must not have been caverning he must not have been caverning we must not have been caverning you must not have been caverning they must not have been caverning

Forma interrogativa

Forma simple	Forma con V-ing
must I cavern? must you cavern? must he cavern? must we cavern? must you cavern? must they cavern?	must I be caverning? must you be caverning? must he be caverning? must we be caverning? must you be caverning? must they be caverning?
Perfecto	Perfecto con V-ing
must I have caverned? must you have caverned? must he have caverned? must we have caverned? must you have caverned? must they have caverned?	must I have been caverning? must you have been caverning? must he have been caverning? must we have been caverning? must you have been caverning? must they have been caverning?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not cavern? must you not cavern? must he not cavern? must we not cavern? must you not cavern? must they not cavern?	must I not be caverning? must you not be caverning? must he not be caverning? must we not be caverning? must you not be caverning? must they not be caverning?
Perfecto	Perfecto con V-ing
must I not have caverned? must you not have caverned? must he not have caverned? must we not have caverned? must you not have caverned? must they not have caverned?	must I not have been caverning? must you not have been caverning? must he not have been caverning? must we not have been caverning? must you not have been caverning? must they not have been caverning?