might crumple
Regular verb: crumple - crumpled- crumpled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might crumple
you might crumple
she might crumple
we might crumple
you might crumple
they might crumple 	I might be crumpling
you might be crumpling
she might be crumpling
we might be crumpling
you might be crumpling
they might be crumpling	I might have crumpled
you might have crumpled
she might have crumpled
we might have crumpled
you might have crumpled
they might have crumpled	I might have been crumpling
you might have been crumpling
she might have been crumpling
we might have been crumpling
you might have been crumpling
they might have been crumpling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't crumple
you mightn't crumple
she mightn't crumple
we mightn't crumple
you mightn't crumple
they mightn't crumple 	I mightn't be crumpling
you mightn't be crumpling
she mightn't be crumpling
we mightn't be crumpling
you mightn't be crumpling
they mightn't be crumpling	I mightn't have crumpled
you mightn't have crumpled
she mightn't have crumpled
we mightn't have crumpled
you mightn't have crumpled
they mightn't have crumpled	I mightn't have been crumpling
you mightn't have been crumpling
she mightn't have been crumpling
we mightn't have been crumpling
you mightn't have been crumpling
they mightn't have been crumpling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I crumple?
might you crumple?
might she crumple?
might we crumple?
might you crumple?
might they crumple? 	might I be crumpling?
might you be crumpling?
might she be crumpling?
might we be crumpling?
might you be crumpling?
might they be crumpling? 	might I have crumpled?
might you have crumpled?
might she have crumpled?
might we have crumpled?
might you have crumpled?
might they have crumpled? 	might I have been crumpling?
might you have been crumpling?
might she have been crumpling?
might we have been crumpling?
might you have been crumpling?
might they have been crumpling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I crumple?
mightn't you crumple?
mightn't she crumple?
mightn't we crumple?
mightn't you crumple?
mightn't they crumple? 	mightn't I be crumpling?
mightn't you be crumpling?
mightn't she be crumpling?
mightn't we be crumpling?
mightn't you be crumpling?
mightn't they be crumpling? 	mightn't I have crumpled?
mightn't you have crumpled?
mightn't she have crumpled?
mightn't we have crumpled?
mightn't you have crumpled?
mightn't they have crumpled? 	mightn't I have been crumpling?
mightn't you have been crumpling?
mightn't she have been crumpling?
mightn't we have been crumpling?
mightn't you have been crumpling?
mightn't they have been crumpling?