Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could evaoprate you could evaoprate he could evaoprate we could evaoprate you could evaoprate they could evaoprate
V-ing form
I could be evaoprating you could be evaoprating he could be evaoprating we could be evaoprating you could be evaoprating they could be evaoprating
Perfect
I could have evaoprated you could have evaoprated he could have evaoprated we could have evaoprated you could have evaoprated they could have evaoprated
V-ing perfect
I could have been evaoprating you could have been evaoprating he could have been evaoprating we could have been evaoprating you could have been evaoprating they could have been evaoprating
Negation
Simple form
I couldn't evaoprate you couldn't evaoprate he couldn't evaoprate we couldn't evaoprate you couldn't evaoprate they couldn't evaoprate
V-ing form
I couldn't be evaoprating you couldn't be evaoprating he couldn't be evaoprating we couldn't be evaoprating you couldn't be evaoprating they couldn't be evaoprating
Perfect
I couldn't have evaoprated you couldn't have evaoprated he couldn't have evaoprated we couldn't have evaoprated you couldn't have evaoprated they couldn't have evaoprated
V-ing perfect
I couldn't have been evaoprating you couldn't have been evaoprating he couldn't have been evaoprating we couldn't have been evaoprating you couldn't have been evaoprating they couldn't have been evaoprating
Interrogative form
Simple form
could I evaoprate? could you evaoprate? could he evaoprate? could we evaoprate? could you evaoprate? could they evaoprate?
V-ing form
could I be evaoprating? could you be evaoprating? could he be evaoprating? could we be evaoprating? could you be evaoprating? could they be evaoprating?
Perfect
could I have evaoprated? could you have evaoprated? could he have evaoprated? could we have evaoprated? could you have evaoprated? could they have evaoprated?
V-ing perfect
could I have been evaoprating? could you have been evaoprating? could he have been evaoprating? could we have been evaoprating? could you have been evaoprating? could they have been evaoprating?
Interro-negative form
Simple form
couldn't I evaoprate? couldn't you evaoprate? couldn't he evaoprate? couldn't we evaoprate? couldn't you evaoprate? couldn't they evaoprate?
V-ing form
couldn't I be evaoprating? couldn't you be evaoprating? couldn't he be evaoprating? couldn't we be evaoprating? couldn't you be evaoprating? couldn't they be evaoprating?
Perfect
couldn't I have evaoprated? couldn't you have evaoprated? couldn't he have evaoprated? couldn't we have evaoprated? couldn't you have evaoprated? couldn't they have evaoprated?
V-ing perfect
couldn't I have been evaoprating? couldn't you have been evaoprating? couldn't he have been evaoprating? couldn't we have been evaoprating? couldn't you have been evaoprating? couldn't they have been evaoprating?