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