might decrease
Regular verb: decrease - decreased- decreased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might decrease
you might decrease
she might decrease
we might decrease
you might decrease
they might decrease 	I might be decreasing
you might be decreasing
she might be decreasing
we might be decreasing
you might be decreasing
they might be decreasing	I might have decreased
you might have decreased
she might have decreased
we might have decreased
you might have decreased
they might have decreased	I might have been decreasing
you might have been decreasing
she might have been decreasing
we might have been decreasing
you might have been decreasing
they might have been decreasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't decrease
you mightn't decrease
she mightn't decrease
we mightn't decrease
you mightn't decrease
they mightn't decrease 	I mightn't be decreasing
you mightn't be decreasing
she mightn't be decreasing
we mightn't be decreasing
you mightn't be decreasing
they mightn't be decreasing	I mightn't have decreased
you mightn't have decreased
she mightn't have decreased
we mightn't have decreased
you mightn't have decreased
they mightn't have decreased	I mightn't have been decreasing
you mightn't have been decreasing
she mightn't have been decreasing
we mightn't have been decreasing
you mightn't have been decreasing
they mightn't have been decreasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I decrease?
might you decrease?
might she decrease?
might we decrease?
might you decrease?
might they decrease? 	might I be decreasing?
might you be decreasing?
might she be decreasing?
might we be decreasing?
might you be decreasing?
might they be decreasing? 	might I have decreased?
might you have decreased?
might she have decreased?
might we have decreased?
might you have decreased?
might they have decreased? 	might I have been decreasing?
might you have been decreasing?
might she have been decreasing?
might we have been decreasing?
might you have been decreasing?
might they have been decreasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I decrease?
mightn't you decrease?
mightn't she decrease?
mightn't we decrease?
mightn't you decrease?
mightn't they decrease? 	mightn't I be decreasing?
mightn't you be decreasing?
mightn't she be decreasing?
mightn't we be decreasing?
mightn't you be decreasing?
mightn't they be decreasing? 	mightn't I have decreased?
mightn't you have decreased?
mightn't she have decreased?
mightn't we have decreased?
mightn't you have decreased?
mightn't they have decreased? 	mightn't I have been decreasing?
mightn't you have been decreasing?
mightn't she have been decreasing?
mightn't we have been decreasing?
mightn't you have been decreasing?
mightn't they have been decreasing?