I can preeducate you can preeducate he can preeducate we can preeducate you can preeducate they can preeducate
V-ing form
I can be preeducating you can be preeducating he can be preeducating we can be preeducating you can be preeducating they can be preeducating
Perfect
I can have preeducated you can have preeducated he can have preeducated we can have preeducated you can have preeducated they can have preeducated
V-ing perfect
I can have been preeducating you can have been preeducating he can have been preeducating we can have been preeducating you can have been preeducating they can have been preeducating
Negation
Simple form
I cannot preeducate you cannot preeducate he cannot preeducate we cannot preeducate you cannot preeducate they cannot preeducate
V-ing form
I cannot be preeducating you cannot be preeducating he cannot be preeducating we cannot be preeducating you cannot be preeducating they cannot be preeducating
Perfect
I cannot have preeducated you cannot have preeducated he cannot have preeducated we cannot have preeducated you cannot have preeducated they cannot have preeducated
V-ing perfect
I cannot have been preeducating you cannot have been preeducating he cannot have been preeducating we cannot have been preeducating you cannot have been preeducating they cannot have been preeducating
Interrogative form
Simple form
can I preeducate? can you preeducate? can he preeducate? can we preeducate? can you preeducate? can they preeducate?
V-ing form
can I be preeducating? can you be preeducating? can he be preeducating? can we be preeducating? can you be preeducating? can they be preeducating?
Perfect
can I have preeducated? can you have preeducated? can he have preeducated? can we have preeducated? can you have preeducated? can they have preeducated?
V-ing perfect
can I have been preeducating? can you have been preeducating? can he have been preeducating? can we have been preeducating? can you have been preeducating? can they have been preeducating?
Interro-negative form
Simple form
can I not preeducate? can you not preeducate? can he not preeducate? can we not preeducate? can you not preeducate? can they not preeducate?
V-ing form
can I not be preeducating? can you not be preeducating? can he not be preeducating? can we not be preeducating? can you not be preeducating? can they not be preeducating?
Perfect
can I not have preeducated? can you not have preeducated? can he not have preeducated? can we not have preeducated? can you not have preeducated? can they not have preeducated?
V-ing perfect
can I not have been preeducating? can you not have been preeducating? can he not have been preeducating? can we not have been preeducating? can you not have been preeducating? can they not have been preeducating?