I can preeducate you can preeducate she can preeducate we can preeducate you can preeducate they can preeducate
V-ing form
I can be preeducating you can be preeducating she can be preeducating we can be preeducating you can be preeducating they can be preeducating
Perfect
I can have preeducated you can have preeducated she 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 she can have been preeducating we can have been preeducating you can have been preeducating they can have been preeducating
Negation
Simple form
I can't preeducate you can't preeducate she can't preeducate we can't preeducate you can't preeducate they can't preeducate
V-ing form
I can't be preeducating you can't be preeducating she can't be preeducating we can't be preeducating you can't be preeducating they can't be preeducating
Perfect
I can't have preeducated you can't have preeducated she can't have preeducated we can't have preeducated you can't have preeducated they can't have preeducated
V-ing perfect
I can't have been preeducating you can't have been preeducating she can't have been preeducating we can't have been preeducating you can't have been preeducating they can't have been preeducating
Interrogative form
Simple form
can I preeducate? can you preeducate? can she preeducate? can we preeducate? can you preeducate? can they preeducate?
V-ing form
can I be preeducating? can you be preeducating? can she be preeducating? can we be preeducating? can you be preeducating? can they be preeducating?
Perfect
can I have preeducated? can you have preeducated? can she 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 she have been preeducating? can we have been preeducating? can you have been preeducating? can they have been preeducating?
Interro-negative form
Simple form
can't I preeducate? can't you preeducate? can't she preeducate? can't we preeducate? can't you preeducate? can't they preeducate?
V-ing form
can't I be preeducating? can't you be preeducating? can't she be preeducating? can't we be preeducating? can't you be preeducating? can't they be preeducating?
Perfect
can't I have preeducated? can't you have preeducated? can't she have preeducated? can't we have preeducated? can't you have preeducated? can't they have preeducated?
V-ing perfect
can't I have been preeducating? can't you have been preeducating? can't she have been preeducating? can't we have been preeducating? can't you have been preeducating? can't they have been preeducating?