English verb conjugation
COULD PUTREFY

Regular verb: putrefy - putrefied - putrefied

Affirmation

Simple form	V-ing form
I could putrefy you could putrefy he could putrefy we could putrefy you could putrefy they could putrefy	I could be putrefying you could be putrefying he could be putrefying we could be putrefying you could be putrefying they could be putrefying
Perfect	V-ing perfect
I could have putrefied you could have putrefied he could have putrefied we could have putrefied you could have putrefied they could have putrefied	I could have been putrefying you could have been putrefying he could have been putrefying we could have been putrefying you could have been putrefying they could have been putrefying

Negation

Simple form	V-ing form
I could not putrefy you could not putrefy he could not putrefy we could not putrefy you could not putrefy they could not putrefy	I could not be putrefying you could not be putrefying he could not be putrefying we could not be putrefying you could not be putrefying they could not be putrefying
Perfect	V-ing perfect
I could not have putrefied you could not have putrefied he could not have putrefied we could not have putrefied you could not have putrefied they could not have putrefied	I could not have been putrefying you could not have been putrefying he could not have been putrefying we could not have been putrefying you could not have been putrefying they could not have been putrefying

Interrogative form

Simple form	V-ing form
could I putrefy? could you putrefy? could he putrefy? could we putrefy? could you putrefy? could they putrefy?	could I be putrefying? could you be putrefying? could he be putrefying? could we be putrefying? could you be putrefying? could they be putrefying?
Perfect	V-ing perfect
could I have putrefied? could you have putrefied? could he have putrefied? could we have putrefied? could you have putrefied? could they have putrefied?	could I have been putrefying? could you have been putrefying? could he have been putrefying? could we have been putrefying? could you have been putrefying? could they have been putrefying?

Interro-negative form

Simple form	V-ing form
could I not putrefy? could you not putrefy? could he not putrefy? could we not putrefy? could you not putrefy? could they not putrefy?	could I not be putrefying? could you not be putrefying? could he not be putrefying? could we not be putrefying? could you not be putrefying? could they not be putrefying?
Perfect	V-ing perfect
could I not have putrefied? could you not have putrefied? could he not have putrefied? could we not have putrefied? could you not have putrefied? could they not have putrefied?	could I not have been putrefying? could you not have been putrefying? could he not have been putrefying? could we not have been putrefying? could you not have been putrefying? could they not have been putrefying?