might subtract
Regular verb: subtract - subtracted- subtracted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might subtract
you might subtract
she might subtract
we might subtract
you might subtract
they might subtract 	I might be subtracting
you might be subtracting
she might be subtracting
we might be subtracting
you might be subtracting
they might be subtracting	I might have subtracted
you might have subtracted
she might have subtracted
we might have subtracted
you might have subtracted
they might have subtracted	I might have been subtracting
you might have been subtracting
she might have been subtracting
we might have been subtracting
you might have been subtracting
they might have been subtracting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't subtract
you mightn't subtract
she mightn't subtract
we mightn't subtract
you mightn't subtract
they mightn't subtract 	I mightn't be subtracting
you mightn't be subtracting
she mightn't be subtracting
we mightn't be subtracting
you mightn't be subtracting
they mightn't be subtracting	I mightn't have subtracted
you mightn't have subtracted
she mightn't have subtracted
we mightn't have subtracted
you mightn't have subtracted
they mightn't have subtracted	I mightn't have been subtracting
you mightn't have been subtracting
she mightn't have been subtracting
we mightn't have been subtracting
you mightn't have been subtracting
they mightn't have been subtracting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I subtract?
might you subtract?
might she subtract?
might we subtract?
might you subtract?
might they subtract? 	might I be subtracting?
might you be subtracting?
might she be subtracting?
might we be subtracting?
might you be subtracting?
might they be subtracting? 	might I have subtracted?
might you have subtracted?
might she have subtracted?
might we have subtracted?
might you have subtracted?
might they have subtracted? 	might I have been subtracting?
might you have been subtracting?
might she have been subtracting?
might we have been subtracting?
might you have been subtracting?
might they have been subtracting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I subtract?
mightn't you subtract?
mightn't she subtract?
mightn't we subtract?
mightn't you subtract?
mightn't they subtract? 	mightn't I be subtracting?
mightn't you be subtracting?
mightn't she be subtracting?
mightn't we be subtracting?
mightn't you be subtracting?
mightn't they be subtracting? 	mightn't I have subtracted?
mightn't you have subtracted?
mightn't she have subtracted?
mightn't we have subtracted?
mightn't you have subtracted?
mightn't they have subtracted? 	mightn't I have been subtracting?
mightn't you have been subtracting?
mightn't she have been subtracting?
mightn't we have been subtracting?
mightn't you have been subtracting?
mightn't they have been subtracting?