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