Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could recall sth you could recall sth she could recall sth we could recall sth you could recall sth they could recall sth
V-ing form
I could be recall sthing you could be recall sthing she could be recall sthing we could be recall sthing you could be recall sthing they could be recall sthing
Perfect
I could have recall sthed you could have recall sthed she could have recall sthed we could have recall sthed you could have recall sthed they could have recall sthed
V-ing perfect
I could have been recall sthing you could have been recall sthing she could have been recall sthing we could have been recall sthing you could have been recall sthing they could have been recall sthing
Negation
Simple form
I could not recall sth you could not recall sth she could not recall sth we could not recall sth you could not recall sth they could not recall sth
V-ing form
I could not be recall sthing you could not be recall sthing she could not be recall sthing we could not be recall sthing you could not be recall sthing they could not be recall sthing
Perfect
I could not have recall sthed you could not have recall sthed she could not have recall sthed we could not have recall sthed you could not have recall sthed they could not have recall sthed
V-ing perfect
I could not have been recall sthing you could not have been recall sthing she could not have been recall sthing we could not have been recall sthing you could not have been recall sthing they could not have been recall sthing
Interrogative form
Simple form
could I recall sth? could you recall sth? could she recall sth? could we recall sth? could you recall sth? could they recall sth?
V-ing form
could I be recall sthing? could you be recall sthing? could she be recall sthing? could we be recall sthing? could you be recall sthing? could they be recall sthing?
Perfect
could I have recall sthed? could you have recall sthed? could she have recall sthed? could we have recall sthed? could you have recall sthed? could they have recall sthed?
V-ing perfect
could I have been recall sthing? could you have been recall sthing? could she have been recall sthing? could we have been recall sthing? could you have been recall sthing? could they have been recall sthing?
Interro-negative form
Simple form
could I not recall sth? could you not recall sth? could she not recall sth? could we not recall sth? could you not recall sth? could they not recall sth?
V-ing form
could I not be recall sthing? could you not be recall sthing? could she not be recall sthing? could we not be recall sthing? could you not be recall sthing? could they not be recall sthing?
Perfect
could I not have recall sthed? could you not have recall sthed? could she not have recall sthed? could we not have recall sthed? could you not have recall sthed? could they not have recall sthed?
V-ing perfect
could I not have been recall sthing? could you not have been recall sthing? could she not have been recall sthing? could we not have been recall sthing? could you not have been recall sthing? could they not have been recall sthing?