I might undertain you might undertain he might undertain we might undertain you might undertain they might undertain
V-ing form
I might be undertaining you might be undertaining he might be undertaining we might be undertaining you might be undertaining they might be undertaining
Perfect
I might have undertained you might have undertained he might have undertained we might have undertained you might have undertained they might have undertained
V-ing perfect
I might have been undertaining you might have been undertaining he might have been undertaining we might have been undertaining you might have been undertaining they might have been undertaining
Negation
Simple form
I mightn't undertain you mightn't undertain he mightn't undertain we mightn't undertain you mightn't undertain they mightn't undertain
V-ing form
I mightn't be undertaining you mightn't be undertaining he mightn't be undertaining we mightn't be undertaining you mightn't be undertaining they mightn't be undertaining
Perfect
I mightn't have undertained you mightn't have undertained he mightn't have undertained we mightn't have undertained you mightn't have undertained they mightn't have undertained
V-ing perfect
I mightn't have been undertaining you mightn't have been undertaining he mightn't have been undertaining we mightn't have been undertaining you mightn't have been undertaining they mightn't have been undertaining
Interrogative form
Simple form
might I undertain? might you undertain? might he undertain? might we undertain? might you undertain? might they undertain?
V-ing form
might I be undertaining? might you be undertaining? might he be undertaining? might we be undertaining? might you be undertaining? might they be undertaining?
Perfect
might I have undertained? might you have undertained? might he have undertained? might we have undertained? might you have undertained? might they have undertained?
V-ing perfect
might I have been undertaining? might you have been undertaining? might he have been undertaining? might we have been undertaining? might you have been undertaining? might they have been undertaining?
Interro-negative form
Simple form
mightn't I undertain? mightn't you undertain? mightn't he undertain? mightn't we undertain? mightn't you undertain? mightn't they undertain?
V-ing form
mightn't I be undertaining? mightn't you be undertaining? mightn't he be undertaining? mightn't we be undertaining? mightn't you be undertaining? mightn't they be undertaining?
Perfect
mightn't I have undertained? mightn't you have undertained? mightn't he have undertained? mightn't we have undertained? mightn't you have undertained? mightn't they have undertained?
V-ing perfect
mightn't I have been undertaining? mightn't you have been undertaining? mightn't he have been undertaining? mightn't we have been undertaining? mightn't you have been undertaining? mightn't they have been undertaining?