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 mustn't pond you mustn't pond he mustn't pond we mustn't pond you mustn't pond they mustn't pond	I mustn't be ponding you mustn't be ponding he mustn't be ponding we mustn't be ponding you mustn't be ponding they mustn't be ponding
Perfect	V-ing perfect
I mustn't have ponded you mustn't have ponded he mustn't have ponded we mustn't have ponded you mustn't have ponded they mustn't have ponded	I mustn't have been ponding you mustn't have been ponding he mustn't have been ponding we mustn't have been ponding you mustn't have been ponding they mustn't 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
mustn't I pond? mustn't you pond? mustn't he pond? mustn't we pond? mustn't you pond? mustn't they pond?	mustn't I be ponding? mustn't you be ponding? mustn't he be ponding? mustn't we be ponding? mustn't you be ponding? mustn't they be ponding?
Perfect	V-ing perfect
mustn't I have ponded? mustn't you have ponded? mustn't he have ponded? mustn't we have ponded? mustn't you have ponded? mustn't they have ponded?	mustn't I have been ponding? mustn't you have been ponding? mustn't he have been ponding? mustn't we have been ponding? mustn't you have been ponding? mustn't they have been ponding?