English verb conjugation
MUST POND

Regular verb: pond - ponded - ponded

Affirmation

Simple form	V-ing form
I must pond you must pond he must pond we must pond you must pond they must pond	I must be ponding you must be ponding he must be ponding we must be ponding you must be ponding they must be ponding
Perfect	V-ing perfect
I must have ponded you must have ponded he must have ponded we must have ponded you must have ponded they must have ponded	I must have been ponding you must have been ponding he must have been ponding we must have been ponding you must have been ponding they must have been ponding

Negation

Simple form	V-ing form
I must not pond you must not pond he must not pond we must not pond you must not pond they must not pond	I must not be ponding you must not be ponding he must not be ponding we must not be ponding you must not be ponding they must not be ponding
Perfect	V-ing perfect
I must not have ponded you must not have ponded he must not have ponded we must not have ponded you must not have ponded they must not have ponded	I must not have been ponding you must not have been ponding he must not have been ponding we must not have been ponding you must not have been ponding they must not have been ponding

Interrogative form

Simple form	V-ing form
must I pond? must you pond? must he pond? must we pond? must you pond? must they pond?	must I be ponding? must you be ponding? must he be ponding? must we be ponding? must you be ponding? must they be ponding?
Perfect	V-ing perfect
must I have ponded? must you have ponded? must he have ponded? must we have ponded? must you have ponded? must they have ponded?	must I have been ponding? must you have been ponding? must he have been ponding? must we have been ponding? must you have been ponding? must they have been ponding?

Interro-negative form

Simple form	V-ing form
must I not pond? must you not pond? must he not pond? must we not pond? must you not pond? must they not pond?	must I not be ponding? must you not be ponding? must he not be ponding? must we not be ponding? must you not be ponding? must they not be ponding?
Perfect	V-ing perfect
must I not have ponded? must you not have ponded? must he not have ponded? must we not have ponded? must you not have ponded? must they not have ponded?	must I not have been ponding? must you not have been ponding? must he not have been ponding? must we not have been ponding? must you not have been ponding? must they not have been ponding?