
Regular verb: derive - derived - derived
Simple form | V-ing form | 
| I might derive you might derive she might derive we might derive you might derive they might derive  | I might be deriving you might be deriving she might be deriving we might be deriving you might be deriving they might be deriving  | 
Perfect | V-ing perfect | 
| I might have derived you might have derived she might have derived we might have derived you might have derived they might have derived  | I might have been deriving you might have been deriving she might have been deriving we might have been deriving you might have been deriving they might have been deriving  | 
Simple form | V-ing form | 
| I mightn't derive you mightn't derive she mightn't derive we mightn't derive you mightn't derive they mightn't derive  | I mightn't be deriving you mightn't be deriving she mightn't be deriving we mightn't be deriving you mightn't be deriving they mightn't be deriving  | 
Perfect | V-ing perfect | 
| I mightn't have derived you mightn't have derived she mightn't have derived we mightn't have derived you mightn't have derived they mightn't have derived  | I mightn't have been deriving you mightn't have been deriving she mightn't have been deriving we mightn't have been deriving you mightn't have been deriving they mightn't have been deriving  | 
Simple form | V-ing form | 
| might I derive? might you derive? might she derive? might we derive? might you derive? might they derive?  | might I be deriving? might you be deriving? might she be deriving? might we be deriving? might you be deriving? might they be deriving?  | 
Perfect | V-ing perfect | 
| might I have derived? might you have derived? might she have derived? might we have derived? might you have derived? might they have derived?  | might I have been deriving? might you have been deriving? might she have been deriving? might we have been deriving? might you have been deriving? might they have been deriving?  | 
Simple form | V-ing form | 
| mightn't I derive? mightn't you derive? mightn't she derive? mightn't we derive? mightn't you derive? mightn't they derive?  | mightn't I be deriving? mightn't you be deriving? mightn't she be deriving? mightn't we be deriving? mightn't you be deriving? mightn't they be deriving?  | 
Perfect | V-ing perfect | 
| mightn't I have derived? mightn't you have derived? mightn't she have derived? mightn't we have derived? mightn't you have derived? mightn't they have derived?  | mightn't I have been deriving? mightn't you have been deriving? mightn't she have been deriving? mightn't we have been deriving? mightn't you have been deriving? mightn't they have been deriving?  |