
Verbo irregular: build - built - built
Forma simple | Forma con V-ing | 
| I may build you may build he may build we may build you may build they may build  | I may be building you may be building he may be building we may be building you may be building they may be building  | 
Perfecto | Perfecto con V-ing | 
| I may have built you may have built he may have built we may have built you may have built they may have built  | I may have been building you may have been building he may have been building we may have been building you may have been building they may have been building  | 
Forma simple | Forma con V-ing | 
| I mayn't build you mayn't build he mayn't build we mayn't build you mayn't build they mayn't build  | I mayn't be building you mayn't be building he mayn't be building we mayn't be building you mayn't be building they mayn't be building  | 
Perfecto | Perfecto con V-ing | 
| I mayn't have built you mayn't have built he mayn't have built we mayn't have built you mayn't have built they mayn't have built  | I mayn't have been building you mayn't have been building he mayn't have been building we mayn't have been building you mayn't have been building they mayn't have been building  | 
Forma simple | Forma con V-ing | 
| may I build? may you build? may he build? may we build? may you build? may they build?  | may I be building? may you be building? may he be building? may we be building? may you be building? may they be building?  | 
Perfecto | Perfecto con V-ing | 
| may I have built? may you have built? may he have built? may we have built? may you have built? may they have built?  | may I have been building? may you have been building? may he have been building? may we have been building? may you have been building? may they have been building?  | 
Forma simple | Forma con V-ing | 
| mayn't I build? mayn't you build? mayn't he build? mayn't we build? mayn't you build? mayn't they build?  | mayn't I be building? mayn't you be building? mayn't he be building? mayn't we be building? mayn't you be building? mayn't they be building?  | 
Perfecto | Perfecto con V-ing | 
| mayn't I have built? mayn't you have built? mayn't he have built? mayn't we have built? mayn't you have built? mayn't they have built?  | mayn't I have been building? mayn't you have been building? mayn't he have been building? mayn't we have been building? mayn't you have been building? mayn't they have been building?  |