
Verbo regular: lengthen - lengthened - lengthened
Forma simple | Forma con V-ing | 
| I'll lengthen you'll lengthen she'll lengthen we'll lengthen you'll lengthen they'll lengthen  | I'll be lengthening you'll be lengthening she'll be lengthening we'll be lengthening you'll be lengthening they'll be lengthening  | 
Perfecto | Perfecto con V-ing | 
| I'll have lengthened you'll have lengthened she'll have lengthened we'll have lengthened you'll have lengthened they'll have lengthened  | I'll have been lengthening you'll have been lengthening she'll have been lengthening we'll have been lengthening you'll have been lengthening they'll have been lengthening  | 
Forma simple | Forma con V-ing | 
| I shan't lengthen you shan't lengthen she shan't lengthen we shan't lengthen you shan't lengthen they shan't lengthen  | I shan't be lengthening you shan't be lengthening she shan't be lengthening we shan't be lengthening you shan't be lengthening they shan't be lengthening  | 
Perfecto | Perfecto con V-ing | 
| I shan't have lengthened you shan't have lengthened she shan't have lengthened we shan't have lengthened you shan't have lengthened they shan't have lengthened  | I shan't have been lengthening you shan't have been lengthening she shan't have been lengthening we shan't have been lengthening you shan't have been lengthening they shan't have been lengthening  | 
Forma simple | Forma con V-ing | 
| shall I lengthen? shall you lengthen? shall she lengthen? shall we lengthen? shall you lengthen? shall they lengthen?  | shall I be lengthening? shall you be lengthening? shall she be lengthening? shall we be lengthening? shall you be lengthening? shall they be lengthening?  | 
Perfecto | Perfecto con V-ing | 
| shall I have lengthened? shall you have lengthened? shall she have lengthened? shall we have lengthened? shall you have lengthened? shall they have lengthened?  | shall I have been lengthening? shall you have been lengthening? shall she have been lengthening? shall we have been lengthening? shall you have been lengthening? shall they have been lengthening?  | 
Forma simple | Forma con V-ing | 
| shan't I lengthen? shan't you lengthen? shan't she lengthen? shan't we lengthen? shan't you lengthen? shan't they lengthen?  | shan't I be lengthening? shan't you be lengthening? shan't she be lengthening? shan't we be lengthening? shan't you be lengthening? shan't they be lengthening?  | 
Perfecto | Perfecto con V-ing | 
| shan't I have lengthened? shan't you have lengthened? shan't she have lengthened? shan't we have lengthened? shan't you have lengthened? shan't they have lengthened?  | shan't I have been lengthening? shan't you have been lengthening? shan't she have been lengthening? shan't we have been lengthening? shan't you have been lengthening? shan't they have been lengthening?  |