English verb conjugation
COULD POND

Regular verb: pond - ponded - ponded

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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