I could elutriate you could elutriate she could elutriate we could elutriate you could elutriate they could elutriate
V-ing form
I could be elutriating you could be elutriating she could be elutriating we could be elutriating you could be elutriating they could be elutriating
Perfect
I could have elutriated you could have elutriated she could have elutriated we could have elutriated you could have elutriated they could have elutriated
V-ing perfect
I could have been elutriating you could have been elutriating she could have been elutriating we could have been elutriating you could have been elutriating they could have been elutriating
Negation
Simple form
I could not elutriate you could not elutriate she could not elutriate we could not elutriate you could not elutriate they could not elutriate
V-ing form
I could not be elutriating you could not be elutriating she could not be elutriating we could not be elutriating you could not be elutriating they could not be elutriating
Perfect
I could not have elutriated you could not have elutriated she could not have elutriated we could not have elutriated you could not have elutriated they could not have elutriated
V-ing perfect
I could not have been elutriating you could not have been elutriating she could not have been elutriating we could not have been elutriating you could not have been elutriating they could not have been elutriating
Interrogative form
Simple form
could I elutriate? could you elutriate? could she elutriate? could we elutriate? could you elutriate? could they elutriate?
V-ing form
could I be elutriating? could you be elutriating? could she be elutriating? could we be elutriating? could you be elutriating? could they be elutriating?
Perfect
could I have elutriated? could you have elutriated? could she have elutriated? could we have elutriated? could you have elutriated? could they have elutriated?
V-ing perfect
could I have been elutriating? could you have been elutriating? could she have been elutriating? could we have been elutriating? could you have been elutriating? could they have been elutriating?
Interro-negative form
Simple form
could I not elutriate? could you not elutriate? could she not elutriate? could we not elutriate? could you not elutriate? could they not elutriate?
V-ing form
could I not be elutriating? could you not be elutriating? could she not be elutriating? could we not be elutriating? could you not be elutriating? could they not be elutriating?
Perfect
could I not have elutriated? could you not have elutriated? could she not have elutriated? could we not have elutriated? could you not have elutriated? could they not have elutriated?
V-ing perfect
could I not have been elutriating? could you not have been elutriating? could she not have been elutriating? could we not have been elutriating? could you not have been elutriating? could they not have been elutriating?