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 can't educate you can't educate he can't educate we can't educate you can't educate they can't educate
V-ing form
I can't be educating you can't be educating he can't be educating we can't be educating you can't be educating they can't be educating
Perfect
I can't have educated you can't have educated he can't have educated we can't have educated you can't have educated they can't have educated
V-ing perfect
I can't have been educating you can't have been educating he can't have been educating we can't have been educating you can't have been educating they can't 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't I educate? can't you educate? can't he educate? can't we educate? can't you educate? can't they educate?
V-ing form
can't I be educating? can't you be educating? can't he be educating? can't we be educating? can't you be educating? can't they be educating?
Perfect
can't I have educated? can't you have educated? can't he have educated? can't we have educated? can't you have educated? can't they have educated?
V-ing perfect
can't I have been educating? can't you have been educating? can't he have been educating? can't we have been educating? can't you have been educating? can't they have been educating?