might crack
Regular verb: crack - cracked- cracked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might crack
you might crack
he might crack
we might crack
you might crack
they might crack 	I might be cracking
you might be cracking
he might be cracking
we might be cracking
you might be cracking
they might be cracking	I might have cracked
you might have cracked
he might have cracked
we might have cracked
you might have cracked
they might have cracked	I might have been cracking
you might have been cracking
he might have been cracking
we might have been cracking
you might have been cracking
they might have been cracking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't crack
you mightn't crack
he mightn't crack
we mightn't crack
you mightn't crack
they mightn't crack 	I mightn't be cracking
you mightn't be cracking
he mightn't be cracking
we mightn't be cracking
you mightn't be cracking
they mightn't be cracking	I mightn't have cracked
you mightn't have cracked
he mightn't have cracked
we mightn't have cracked
you mightn't have cracked
they mightn't have cracked	I mightn't have been cracking
you mightn't have been cracking
he mightn't have been cracking
we mightn't have been cracking
you mightn't have been cracking
they mightn't have been cracking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I crack?
might you crack?
might he crack?
might we crack?
might you crack?
might they crack? 	might I be cracking?
might you be cracking?
might he be cracking?
might we be cracking?
might you be cracking?
might they be cracking? 	might I have cracked?
might you have cracked?
might he have cracked?
might we have cracked?
might you have cracked?
might they have cracked? 	might I have been cracking?
might you have been cracking?
might he have been cracking?
might we have been cracking?
might you have been cracking?
might they have been cracking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I crack?
mightn't you crack?
mightn't he crack?
mightn't we crack?
mightn't you crack?
mightn't they crack? 	mightn't I be cracking?
mightn't you be cracking?
mightn't he be cracking?
mightn't we be cracking?
mightn't you be cracking?
mightn't they be cracking? 	mightn't I have cracked?
mightn't you have cracked?
mightn't he have cracked?
mightn't we have cracked?
mightn't you have cracked?
mightn't they have cracked? 	mightn't I have been cracking?
mightn't you have been cracking?
mightn't he have been cracking?
mightn't we have been cracking?
mightn't you have been cracking?
mightn't they have been cracking?