
Verbo regular: alter - altered - altered
Forma simple | Forma con V-ing | 
| I might alter you might alter he might alter we might alter you might alter they might alter  | I might be altering you might be altering he might be altering we might be altering you might be altering they might be altering  | 
Perfecto | Perfecto con V-ing | 
| I might have altered you might have altered he might have altered we might have altered you might have altered they might have altered  | I might have been altering you might have been altering he might have been altering we might have been altering you might have been altering they might have been altering  | 
Forma simple | Forma con V-ing | 
| I mightn't alter you mightn't alter he mightn't alter we mightn't alter you mightn't alter they mightn't alter  | I mightn't be altering you mightn't be altering he mightn't be altering we mightn't be altering you mightn't be altering they mightn't be altering  | 
Perfecto | Perfecto con V-ing | 
| I mightn't have altered you mightn't have altered he mightn't have altered we mightn't have altered you mightn't have altered they mightn't have altered  | I mightn't have been altering you mightn't have been altering he mightn't have been altering we mightn't have been altering you mightn't have been altering they mightn't have been altering  | 
Forma simple | Forma con V-ing | 
| might I alter? might you alter? might he alter? might we alter? might you alter? might they alter?  | might I be altering? might you be altering? might he be altering? might we be altering? might you be altering? might they be altering?  | 
Perfecto | Perfecto con V-ing | 
| might I have altered? might you have altered? might he have altered? might we have altered? might you have altered? might they have altered?  | might I have been altering? might you have been altering? might he have been altering? might we have been altering? might you have been altering? might they have been altering?  | 
Forma simple | Forma con V-ing | 
| mightn't I alter? mightn't you alter? mightn't he alter? mightn't we alter? mightn't you alter? mightn't they alter?  | mightn't I be altering? mightn't you be altering? mightn't he be altering? mightn't we be altering? mightn't you be altering? mightn't they be altering?  | 
Perfecto | Perfecto con V-ing | 
| mightn't I have altered? mightn't you have altered? mightn't he have altered? mightn't we have altered? mightn't you have altered? mightn't they have altered?  | mightn't I have been altering? mightn't you have been altering? mightn't he have been altering? mightn't we have been altering? mightn't you have been altering? mightn't they have been altering?  |