might undertake
Irregular verb: undertake - undertook- undertaken

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might undertake
you might undertake
he might undertake
we might undertake
you might undertake
they might undertake 	I might be undertaking
you might be undertaking
he might be undertaking
we might be undertaking
you might be undertaking
they might be undertaking	I might have undertaken
you might have undertaken
he might have undertaken
we might have undertaken
you might have undertaken
they might have undertaken	I might have been undertaking
you might have been undertaking
he might have been undertaking
we might have been undertaking
you might have been undertaking
they might have been undertaking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't undertake
you mightn't undertake
he mightn't undertake
we mightn't undertake
you mightn't undertake
they mightn't undertake 	I mightn't be undertaking
you mightn't be undertaking
he mightn't be undertaking
we mightn't be undertaking
you mightn't be undertaking
they mightn't be undertaking	I mightn't have undertaken
you mightn't have undertaken
he mightn't have undertaken
we mightn't have undertaken
you mightn't have undertaken
they mightn't have undertaken	I mightn't have been undertaking
you mightn't have been undertaking
he mightn't have been undertaking
we mightn't have been undertaking
you mightn't have been undertaking
they mightn't have been undertaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I undertake?
might you undertake?
might he undertake?
might we undertake?
might you undertake?
might they undertake? 	might I be undertaking?
might you be undertaking?
might he be undertaking?
might we be undertaking?
might you be undertaking?
might they be undertaking? 	might I have undertaken?
might you have undertaken?
might he have undertaken?
might we have undertaken?
might you have undertaken?
might they have undertaken? 	might I have been undertaking?
might you have been undertaking?
might he have been undertaking?
might we have been undertaking?
might you have been undertaking?
might they have been undertaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I undertake?
mightn't you undertake?
mightn't he undertake?
mightn't we undertake?
mightn't you undertake?
mightn't they undertake? 	mightn't I be undertaking?
mightn't you be undertaking?
mightn't he be undertaking?
mightn't we be undertaking?
mightn't you be undertaking?
mightn't they be undertaking? 	mightn't I have undertaken?
mightn't you have undertaken?
mightn't he have undertaken?
mightn't we have undertaken?
mightn't you have undertaken?
mightn't they have undertaken? 	mightn't I have been undertaking?
mightn't you have been undertaking?
mightn't he have been undertaking?
mightn't we have been undertaking?
mightn't you have been undertaking?
mightn't they have been undertaking?