I can elucidate you can elucidate she can elucidate we can elucidate you can elucidate they can elucidate
V-ing form
I can be elucidating you can be elucidating she can be elucidating we can be elucidating you can be elucidating they can be elucidating
Perfect
I can have elucidated you can have elucidated she can have elucidated we can have elucidated you can have elucidated they can have elucidated
V-ing perfect
I can have been elucidating you can have been elucidating she can have been elucidating we can have been elucidating you can have been elucidating they can have been elucidating
Negation
Simple form
I cannot elucidate you cannot elucidate she cannot elucidate we cannot elucidate you cannot elucidate they cannot elucidate
V-ing form
I cannot be elucidating you cannot be elucidating she cannot be elucidating we cannot be elucidating you cannot be elucidating they cannot be elucidating
Perfect
I cannot have elucidated you cannot have elucidated she cannot have elucidated we cannot have elucidated you cannot have elucidated they cannot have elucidated
V-ing perfect
I cannot have been elucidating you cannot have been elucidating she cannot have been elucidating we cannot have been elucidating you cannot have been elucidating they cannot have been elucidating
Interrogative form
Simple form
can I elucidate? can you elucidate? can she elucidate? can we elucidate? can you elucidate? can they elucidate?
V-ing form
can I be elucidating? can you be elucidating? can she be elucidating? can we be elucidating? can you be elucidating? can they be elucidating?
Perfect
can I have elucidated? can you have elucidated? can she have elucidated? can we have elucidated? can you have elucidated? can they have elucidated?
V-ing perfect
can I have been elucidating? can you have been elucidating? can she have been elucidating? can we have been elucidating? can you have been elucidating? can they have been elucidating?
Interro-negative form
Simple form
can I not elucidate? can you not elucidate? can she not elucidate? can we not elucidate? can you not elucidate? can they not elucidate?
V-ing form
can I not be elucidating? can you not be elucidating? can she not be elucidating? can we not be elucidating? can you not be elucidating? can they not be elucidating?
Perfect
can I not have elucidated? can you not have elucidated? can she not have elucidated? can we not have elucidated? can you not have elucidated? can they not have elucidated?
V-ing perfect
can I not have been elucidating? can you not have been elucidating? can she not have been elucidating? can we not have been elucidating? can you not have been elucidating? can they not have been elucidating?