Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could behold sth. so you could behold sth. so he could behold sth. so we could behold sth. so you could behold sth. so they could behold sth. so
V-ing form
I could be behold sth. soing you could be behold sth. soing he could be behold sth. soing we could be behold sth. soing you could be behold sth. soing they could be behold sth. soing
Perfect
I could have behold sth. soed you could have behold sth. soed he could have behold sth. soed we could have behold sth. soed you could have behold sth. soed they could have behold sth. soed
V-ing perfect
I could have been behold sth. soing you could have been behold sth. soing he could have been behold sth. soing we could have been behold sth. soing you could have been behold sth. soing they could have been behold sth. soing
Negation
Simple form
I could not behold sth. so you could not behold sth. so he could not behold sth. so we could not behold sth. so you could not behold sth. so they could not behold sth. so
V-ing form
I could not be behold sth. soing you could not be behold sth. soing he could not be behold sth. soing we could not be behold sth. soing you could not be behold sth. soing they could not be behold sth. soing
Perfect
I could not have behold sth. soed you could not have behold sth. soed he could not have behold sth. soed we could not have behold sth. soed you could not have behold sth. soed they could not have behold sth. soed
V-ing perfect
I could not have been behold sth. soing you could not have been behold sth. soing he could not have been behold sth. soing we could not have been behold sth. soing you could not have been behold sth. soing they could not have been behold sth. soing
Interrogative form
Simple form
could I behold sth. so? could you behold sth. so? could he behold sth. so? could we behold sth. so? could you behold sth. so? could they behold sth. so?
V-ing form
could I be behold sth. soing? could you be behold sth. soing? could he be behold sth. soing? could we be behold sth. soing? could you be behold sth. soing? could they be behold sth. soing?
Perfect
could I have behold sth. soed? could you have behold sth. soed? could he have behold sth. soed? could we have behold sth. soed? could you have behold sth. soed? could they have behold sth. soed?
V-ing perfect
could I have been behold sth. soing? could you have been behold sth. soing? could he have been behold sth. soing? could we have been behold sth. soing? could you have been behold sth. soing? could they have been behold sth. soing?
Interro-negative form
Simple form
could I not behold sth. so? could you not behold sth. so? could he not behold sth. so? could we not behold sth. so? could you not behold sth. so? could they not behold sth. so?
V-ing form
could I not be behold sth. soing? could you not be behold sth. soing? could he not be behold sth. soing? could we not be behold sth. soing? could you not be behold sth. soing? could they not be behold sth. soing?
Perfect
could I not have behold sth. soed? could you not have behold sth. soed? could he not have behold sth. soed? could we not have behold sth. soed? could you not have behold sth. soed? could they not have behold sth. soed?
V-ing perfect
could I not have been behold sth. soing? could you not have been behold sth. soing? could he not have been behold sth. soing? could we not have been behold sth. soing? could you not have been behold sth. soing? could they not have been behold sth. soing?