I can educate you can educate he can educate we can educate you can educate they can educate
V-ing form
I can be educating you can be educating he can be educating we can be educating you can be educating they can be educating
Perfect
I can have educated you can have educated he can have educated we can have educated you can have educated they can have educated
V-ing perfect
I can have been educating you can have been educating he can have been educating we can have been educating you can have been educating they can have been educating
Negation
Simple form
I cannot educate you cannot educate he cannot educate we cannot educate you cannot educate they cannot educate
V-ing form
I cannot be educating you cannot be educating he cannot be educating we cannot be educating you cannot be educating they cannot be educating
Perfect
I cannot have educated you cannot have educated he cannot have educated we cannot have educated you cannot have educated they cannot have educated
V-ing perfect
I cannot have been educating you cannot have been educating he cannot have been educating we cannot have been educating you cannot have been educating they cannot have been educating
Interrogative form
Simple form
can I educate? can you educate? can he educate? can we educate? can you educate? can they educate?
V-ing form
can I be educating? can you be educating? can he be educating? can we be educating? can you be educating? can they be educating?
Perfect
can I have educated? can you have educated? can he have educated? can we have educated? can you have educated? can they have educated?
V-ing perfect
can I have been educating? can you have been educating? can he have been educating? can we have been educating? can you have been educating? can they have been educating?
Interro-negative form
Simple form
can I not educate? can you not educate? can he not educate? can we not educate? can you not educate? can they not educate?
V-ing form
can I not be educating? can you not be educating? can he not be educating? can we not be educating? can you not be educating? can they not be educating?
Perfect
can I not have educated? can you not have educated? can he not have educated? can we not have educated? can you not have educated? can they not have educated?
V-ing perfect
can I not have been educating? can you not have been educating? can he not have been educating? can we not have been educating? can you not have been educating? can they not have been educating?