I could undereducate you could undereducate she could undereducate we could undereducate you could undereducate they could undereducate
V-ing form
I could be undereducating you could be undereducating she could be undereducating we could be undereducating you could be undereducating they could be undereducating
Perfect
I could have undereducated you could have undereducated she could have undereducated we could have undereducated you could have undereducated they could have undereducated
V-ing perfect
I could have been undereducating you could have been undereducating she could have been undereducating we could have been undereducating you could have been undereducating they could have been undereducating
Negation
Simple form
I could not undereducate you could not undereducate she could not undereducate we could not undereducate you could not undereducate they could not undereducate
V-ing form
I could not be undereducating you could not be undereducating she could not be undereducating we could not be undereducating you could not be undereducating they could not be undereducating
Perfect
I could not have undereducated you could not have undereducated she could not have undereducated we could not have undereducated you could not have undereducated they could not have undereducated
V-ing perfect
I could not have been undereducating you could not have been undereducating she could not have been undereducating we could not have been undereducating you could not have been undereducating they could not have been undereducating
Interrogative form
Simple form
could I undereducate? could you undereducate? could she undereducate? could we undereducate? could you undereducate? could they undereducate?
V-ing form
could I be undereducating? could you be undereducating? could she be undereducating? could we be undereducating? could you be undereducating? could they be undereducating?
Perfect
could I have undereducated? could you have undereducated? could she have undereducated? could we have undereducated? could you have undereducated? could they have undereducated?
V-ing perfect
could I have been undereducating? could you have been undereducating? could she have been undereducating? could we have been undereducating? could you have been undereducating? could they have been undereducating?
Interro-negative form
Simple form
could I not undereducate? could you not undereducate? could she not undereducate? could we not undereducate? could you not undereducate? could they not undereducate?
V-ing form
could I not be undereducating? could you not be undereducating? could she not be undereducating? could we not be undereducating? could you not be undereducating? could they not be undereducating?
Perfect
could I not have undereducated? could you not have undereducated? could she not have undereducated? could we not have undereducated? could you not have undereducated? could they not have undereducated?
V-ing perfect
could I not have been undereducating? could you not have been undereducating? could she not have been undereducating? could we not have been undereducating? could you not have been undereducating? could they not have been undereducating?