I might prevent you might prevent he might prevent we might prevent you might prevent they might prevent
V-ing form
I might be preventing you might be preventing he might be preventing we might be preventing you might be preventing they might be preventing
Perfect
I might have prevented you might have prevented he might have prevented we might have prevented you might have prevented they might have prevented
V-ing perfect
I might have been preventing you might have been preventing he might have been preventing we might have been preventing you might have been preventing they might have been preventing
Negation
Simple form
I might not prevent you might not prevent he might not prevent we might not prevent you might not prevent they might not prevent
V-ing form
I might not be preventing you might not be preventing he might not be preventing we might not be preventing you might not be preventing they might not be preventing
Perfect
I might not have prevented you might not have prevented he might not have prevented we might not have prevented you might not have prevented they might not have prevented
V-ing perfect
I might not have been preventing you might not have been preventing he might not have been preventing we might not have been preventing you might not have been preventing they might not have been preventing
Interrogative form
Simple form
might I prevent? might you prevent? might he prevent? might we prevent? might you prevent? might they prevent?
V-ing form
might I be preventing? might you be preventing? might he be preventing? might we be preventing? might you be preventing? might they be preventing?
Perfect
might I have prevented? might you have prevented? might he have prevented? might we have prevented? might you have prevented? might they have prevented?
V-ing perfect
might I have been preventing? might you have been preventing? might he have been preventing? might we have been preventing? might you have been preventing? might they have been preventing?
Interro-negative form
Simple form
might I not prevent? might you not prevent? might he not prevent? might we not prevent? might you not prevent? might they not prevent?
V-ing form
might I not be preventing? might you not be preventing? might he not be preventing? might we not be preventing? might you not be preventing? might they not be preventing?
Perfect
might I not have prevented? might you not have prevented? might he not have prevented? might we not have prevented? might you not have prevented? might they not have prevented?
V-ing perfect
might I not have been preventing? might you not have been preventing? might he not have been preventing? might we not have been preventing? might you not have been preventing? might they not have been preventing?