might prevent
Regular verb: prevent - prevented- prevented

Affirmation 	
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I might prevent
you might prevent
he might prevent
we might prevent
you might prevent
they might prevent 	I might be preventing
you might be preventing
he might be preventing
we might be preventing
you might be preventing
they might be preventing	I might have prevented
you might have prevented
he might have prevented
we might have prevented
you might have prevented
they might have prevented	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 	
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I might not prevent
you might not prevent
he might not prevent
we might not prevent
you might not prevent
they might not prevent 	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	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	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 	
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might I prevent?
might you prevent?
might he prevent?
might we prevent?
might you prevent?
might they prevent? 	might I be preventing?
might you be preventing?
might he be preventing?
might we be preventing?
might you be preventing?
might they be preventing? 	might I have prevented?
might you have prevented?
might he have prevented?
might we have prevented?
might you have prevented?
might they have prevented? 	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 	
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might I not prevent?
might you not prevent?
might he not prevent?
might we not prevent?
might you not prevent?
might they not prevent? 	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? 	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? 	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?