English verb conjugation
COULD EXPIATE

Regular verb: expiate - expiated - expiated

Affirmation

Simple form	V-ing form
I could expiate you could expiate he could expiate we could expiate you could expiate they could expiate	I could be expiating you could be expiating he could be expiating we could be expiating you could be expiating they could be expiating
Perfect	V-ing perfect
I could have expiated you could have expiated he could have expiated we could have expiated you could have expiated they could have expiated	I could have been expiating you could have been expiating he could have been expiating we could have been expiating you could have been expiating they could have been expiating

Negation

Simple form	V-ing form
I could not expiate you could not expiate he could not expiate we could not expiate you could not expiate they could not expiate	I could not be expiating you could not be expiating he could not be expiating we could not be expiating you could not be expiating they could not be expiating
Perfect	V-ing perfect
I could not have expiated you could not have expiated he could not have expiated we could not have expiated you could not have expiated they could not have expiated	I could not have been expiating you could not have been expiating he could not have been expiating we could not have been expiating you could not have been expiating they could not have been expiating

Interrogative form

Simple form	V-ing form
could I expiate? could you expiate? could he expiate? could we expiate? could you expiate? could they expiate?	could I be expiating? could you be expiating? could he be expiating? could we be expiating? could you be expiating? could they be expiating?
Perfect	V-ing perfect
could I have expiated? could you have expiated? could he have expiated? could we have expiated? could you have expiated? could they have expiated?	could I have been expiating? could you have been expiating? could he have been expiating? could we have been expiating? could you have been expiating? could they have been expiating?

Interro-negative form

Simple form	V-ing form
could I not expiate? could you not expiate? could he not expiate? could we not expiate? could you not expiate? could they not expiate?	could I not be expiating? could you not be expiating? could he not be expiating? could we not be expiating? could you not be expiating? could they not be expiating?
Perfect	V-ing perfect
could I not have expiated? could you not have expiated? could he not have expiated? could we not have expiated? could you not have expiated? could they not have expiated?	could I not have been expiating? could you not have been expiating? could he not have been expiating? could we not have been expiating? could you not have been expiating? could they not have been expiating?