
Verbo regular: grab - grabbed - grabbed
Forma simple | Forma con V-ing | 
| I may grab you may grab he may grab we may grab you may grab they may grab  | I may be grabbing you may be grabbing he may be grabbing we may be grabbing you may be grabbing they may be grabbing  | 
Perfecto | Perfecto con V-ing | 
| I may have grabbed you may have grabbed he may have grabbed we may have grabbed you may have grabbed they may have grabbed  | I may have been grabbing you may have been grabbing he may have been grabbing we may have been grabbing you may have been grabbing they may have been grabbing  | 
Forma simple | Forma con V-ing | 
| I mayn't grab you mayn't grab he mayn't grab we mayn't grab you mayn't grab they mayn't grab  | I mayn't be grabbing you mayn't be grabbing he mayn't be grabbing we mayn't be grabbing you mayn't be grabbing they mayn't be grabbing  | 
Perfecto | Perfecto con V-ing | 
| I mayn't have grabbed you mayn't have grabbed he mayn't have grabbed we mayn't have grabbed you mayn't have grabbed they mayn't have grabbed  | I mayn't have been grabbing you mayn't have been grabbing he mayn't have been grabbing we mayn't have been grabbing you mayn't have been grabbing they mayn't have been grabbing  | 
Forma simple | Forma con V-ing | 
| may I grab? may you grab? may he grab? may we grab? may you grab? may they grab?  | may I be grabbing? may you be grabbing? may he be grabbing? may we be grabbing? may you be grabbing? may they be grabbing?  | 
Perfecto | Perfecto con V-ing | 
| may I have grabbed? may you have grabbed? may he have grabbed? may we have grabbed? may you have grabbed? may they have grabbed?  | may I have been grabbing? may you have been grabbing? may he have been grabbing? may we have been grabbing? may you have been grabbing? may they have been grabbing?  | 
Forma simple | Forma con V-ing | 
| mayn't I grab? mayn't you grab? mayn't he grab? mayn't we grab? mayn't you grab? mayn't they grab?  | mayn't I be grabbing? mayn't you be grabbing? mayn't he be grabbing? mayn't we be grabbing? mayn't you be grabbing? mayn't they be grabbing?  | 
Perfecto | Perfecto con V-ing | 
| mayn't I have grabbed? mayn't you have grabbed? mayn't he have grabbed? mayn't we have grabbed? mayn't you have grabbed? mayn't they have grabbed?  | mayn't I have been grabbing? mayn't you have been grabbing? mayn't he have been grabbing? mayn't we have been grabbing? mayn't you have been grabbing? mayn't they have been grabbing?  |