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