might blacken
Regular verb: blacken - blackened- blackened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might blacken
you might blacken
she might blacken
we might blacken
you might blacken
they might blacken 	I might be blackening
you might be blackening
she might be blackening
we might be blackening
you might be blackening
they might be blackening	I might have blackened
you might have blackened
she might have blackened
we might have blackened
you might have blackened
they might have blackened	I might have been blackening
you might have been blackening
she might have been blackening
we might have been blackening
you might have been blackening
they might have been blackening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might not blacken
you might not blacken
she might not blacken
we might not blacken
you might not blacken
they might not blacken 	I might not be blackening
you might not be blackening
she might not be blackening
we might not be blackening
you might not be blackening
they might not be blackening	I might not have blackened
you might not have blackened
she might not have blackened
we might not have blackened
you might not have blackened
they might not have blackened	I might not have been blackening
you might not have been blackening
she might not have been blackening
we might not have been blackening
you might not have been blackening
they might not have been blackening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I blacken?
might you blacken?
might she blacken?
might we blacken?
might you blacken?
might they blacken? 	might I be blackening?
might you be blackening?
might she be blackening?
might we be blackening?
might you be blackening?
might they be blackening? 	might I have blackened?
might you have blackened?
might she have blackened?
might we have blackened?
might you have blackened?
might they have blackened? 	might I have been blackening?
might you have been blackening?
might she have been blackening?
might we have been blackening?
might you have been blackening?
might they have been blackening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I not blacken?
might you not blacken?
might she not blacken?
might we not blacken?
might you not blacken?
might they not blacken? 	might I not be blackening?
might you not be blackening?
might she not be blackening?
might we not be blackening?
might you not be blackening?
might they not be blackening? 	might I not have blackened?
might you not have blackened?
might she not have blackened?
might we not have blackened?
might you not have blackened?
might they not have blackened? 	might I not have been blackening?
might you not have been blackening?
might she not have been blackening?
might we not have been blackening?
might you not have been blackening?
might they not have been blackening?