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 couldn't expiate suffer you couldn't expiate suffer he couldn't expiate suffer we couldn't expiate suffer you couldn't expiate suffer they couldn't expiate suffer
V-ing form
I couldn't be expiate suffering you couldn't be expiate suffering he couldn't be expiate suffering we couldn't be expiate suffering you couldn't be expiate suffering they couldn't be expiate suffering
Perfect
I couldn't have expiate suffered you couldn't have expiate suffered he couldn't have expiate suffered we couldn't have expiate suffered you couldn't have expiate suffered they couldn't have expiate suffered
V-ing perfect
I couldn't have been expiate suffering you couldn't have been expiate suffering he couldn't have been expiate suffering we couldn't have been expiate suffering you couldn't have been expiate suffering they couldn't 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
couldn't I expiate suffer? couldn't you expiate suffer? couldn't he expiate suffer? couldn't we expiate suffer? couldn't you expiate suffer? couldn't they expiate suffer?
V-ing form
couldn't I be expiate suffering? couldn't you be expiate suffering? couldn't he be expiate suffering? couldn't we be expiate suffering? couldn't you be expiate suffering? couldn't they be expiate suffering?
Perfect
couldn't I have expiate suffered? couldn't you have expiate suffered? couldn't he have expiate suffered? couldn't we have expiate suffered? couldn't you have expiate suffered? couldn't they have expiate suffered?
V-ing perfect
couldn't I have been expiate suffering? couldn't you have been expiate suffering? couldn't he have been expiate suffering? couldn't we have been expiate suffering? couldn't you have been expiate suffering? couldn't they have been expiate suffering?