I can elucidate you can elucidate he can elucidate we can elucidate you can elucidate they can elucidate
V-ing form
I can be elucidating you can be elucidating he can be elucidating we can be elucidating you can be elucidating they can be elucidating
Perfect
I can have elucidated you can have elucidated he 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 he can have been elucidating we can have been elucidating you can have been elucidating they can have been elucidating
Negation
Simple form
I can't elucidate you can't elucidate he can't elucidate we can't elucidate you can't elucidate they can't elucidate
V-ing form
I can't be elucidating you can't be elucidating he can't be elucidating we can't be elucidating you can't be elucidating they can't be elucidating
Perfect
I can't have elucidated you can't have elucidated he can't have elucidated we can't have elucidated you can't have elucidated they can't have elucidated
V-ing perfect
I can't have been elucidating you can't have been elucidating he can't have been elucidating we can't have been elucidating you can't have been elucidating they can't have been elucidating
Interrogative form
Simple form
can I elucidate? can you elucidate? can he elucidate? can we elucidate? can you elucidate? can they elucidate?
V-ing form
can I be elucidating? can you be elucidating? can he be elucidating? can we be elucidating? can you be elucidating? can they be elucidating?
Perfect
can I have elucidated? can you have elucidated? can he 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 he have been elucidating? can we have been elucidating? can you have been elucidating? can they have been elucidating?
Interro-negative form
Simple form
can't I elucidate? can't you elucidate? can't he elucidate? can't we elucidate? can't you elucidate? can't they elucidate?
V-ing form
can't I be elucidating? can't you be elucidating? can't he be elucidating? can't we be elucidating? can't you be elucidating? can't they be elucidating?
Perfect
can't I have elucidated? can't you have elucidated? can't he have elucidated? can't we have elucidated? can't you have elucidated? can't they have elucidated?
V-ing perfect
can't I have been elucidating? can't you have been elucidating? can't he have been elucidating? can't we have been elucidating? can't you have been elucidating? can't they have been elucidating?