Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could expiate suffer you could expiate suffer he could expiate suffer we could expiate suffer you could expiate suffer they could expiate suffer
V-ing form
I could be expiate suffering you could be expiate suffering he could be expiate suffering we could be expiate suffering you could be expiate suffering they could be expiate suffering
Perfect
I could have expiate suffered you could have expiate suffered he could have expiate suffered we could have expiate suffered you could have expiate suffered they could have expiate suffered
V-ing perfect
I could have been expiate suffering you could have been expiate suffering he could have been expiate suffering we could have been expiate suffering you could have been expiate suffering they could have been expiate suffering
Negation
Simple form
I could not expiate suffer you could not expiate suffer he could not expiate suffer we could not expiate suffer you could not expiate suffer they could not expiate suffer
V-ing form
I could not be expiate suffering you could not be expiate suffering he could not be expiate suffering we could not be expiate suffering you could not be expiate suffering they could not be expiate suffering
Perfect
I could not have expiate suffered you could not have expiate suffered he could not have expiate suffered we could not have expiate suffered you could not have expiate suffered they could not have expiate suffered
V-ing perfect
I could not have been expiate suffering you could not have been expiate suffering he could not have been expiate suffering we could not have been expiate suffering you could not have been expiate suffering they could not have been expiate suffering
Interrogative form
Simple form
could I expiate suffer? could you expiate suffer? could he expiate suffer? could we expiate suffer? could you expiate suffer? could they expiate suffer?
V-ing form
could I be expiate suffering? could you be expiate suffering? could he be expiate suffering? could we be expiate suffering? could you be expiate suffering? could they be expiate suffering?
Perfect
could I have expiate suffered? could you have expiate suffered? could he have expiate suffered? could we have expiate suffered? could you have expiate suffered? could they have expiate suffered?
V-ing perfect
could I have been expiate suffering? could you have been expiate suffering? could he have been expiate suffering? could we have been expiate suffering? could you have been expiate suffering? could they have been expiate suffering?
Interro-negative form
Simple form
could I not expiate suffer? could you not expiate suffer? could he not expiate suffer? could we not expiate suffer? could you not expiate suffer? could they not expiate suffer?
V-ing form
could I not be expiate suffering? could you not be expiate suffering? could he not be expiate suffering? could we not be expiate suffering? could you not be expiate suffering? could they not be expiate suffering?
Perfect
could I not have expiate suffered? could you not have expiate suffered? could he not have expiate suffered? could we not have expiate suffered? could you not have expiate suffered? could they not have expiate suffered?
V-ing perfect
could I not have been expiate suffering? could you not have been expiate suffering? could he not have been expiate suffering? could we not have been expiate suffering? could you not have been expiate suffering? could they not have been expiate suffering?