
Verbo regular: fear - feared - feared
Forma simple | Forma con V-ing | 
| I can fear you can fear she can fear we can fear you can fear they can fear  | I can be fearing you can be fearing she can be fearing we can be fearing you can be fearing they can be fearing  | 
Perfecto | Perfecto con V-ing | 
| I can have feared you can have feared she can have feared we can have feared you can have feared they can have feared  | I can have been fearing you can have been fearing she can have been fearing we can have been fearing you can have been fearing they can have been fearing  | 
Forma simple | Forma con V-ing | 
| I can't fear you can't fear she can't fear we can't fear you can't fear they can't fear  | I can't be fearing you can't be fearing she can't be fearing we can't be fearing you can't be fearing they can't be fearing  | 
Perfecto | Perfecto con V-ing | 
| I can't have feared you can't have feared she can't have feared we can't have feared you can't have feared they can't have feared  | I can't have been fearing you can't have been fearing she can't have been fearing we can't have been fearing you can't have been fearing they can't have been fearing  | 
Forma simple | Forma con V-ing | 
| can I fear? can you fear? can she fear? can we fear? can you fear? can they fear?  | can I be fearing? can you be fearing? can she be fearing? can we be fearing? can you be fearing? can they be fearing?  | 
Perfecto | Perfecto con V-ing | 
| can I have feared? can you have feared? can she have feared? can we have feared? can you have feared? can they have feared?  | can I have been fearing? can you have been fearing? can she have been fearing? can we have been fearing? can you have been fearing? can they have been fearing?  | 
Forma simple | Forma con V-ing | 
| can't I fear? can't you fear? can't she fear? can't we fear? can't you fear? can't they fear?  | can't I be fearing? can't you be fearing? can't she be fearing? can't we be fearing? can't you be fearing? can't they be fearing?  | 
Perfecto | Perfecto con V-ing | 
| can't I have feared? can't you have feared? can't she have feared? can't we have feared? can't you have feared? can't they have feared?  | can't I have been fearing? can't you have been fearing? can't she have been fearing? can't we have been fearing? can't you have been fearing? can't they have been fearing?  |