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