
Regular verb: endeavor - endeavored - endeavored
Simple form | V-ing form | 
| I'll endeavor you'll endeavor she'll endeavor we'll endeavor you'll endeavor they'll endeavor  | I'll be endeavoring you'll be endeavoring she'll be endeavoring we'll be endeavoring you'll be endeavoring they'll be endeavoring  | 
Perfect | V-ing perfect | 
| I'll have endeavored you'll have endeavored she'll have endeavored we'll have endeavored you'll have endeavored they'll have endeavored  | I'll have been endeavoring you'll have been endeavoring she'll have been endeavoring we'll have been endeavoring you'll have been endeavoring they'll have been endeavoring  | 
Simple form | V-ing form | 
| I shan't endeavor you shan't endeavor she shan't endeavor we shan't endeavor you shan't endeavor they shan't endeavor  | I shan't be endeavoring you shan't be endeavoring she shan't be endeavoring we shan't be endeavoring you shan't be endeavoring they shan't be endeavoring  | 
Perfect | V-ing perfect | 
| I shan't have endeavored you shan't have endeavored she shan't have endeavored we shan't have endeavored you shan't have endeavored they shan't have endeavored  | I shan't have been endeavoring you shan't have been endeavoring she shan't have been endeavoring we shan't have been endeavoring you shan't have been endeavoring they shan't have been endeavoring  | 
Simple form | V-ing form | 
| shall I endeavor? shall you endeavor? shall she endeavor? shall we endeavor? shall you endeavor? shall they endeavor?  | shall I be endeavoring? shall you be endeavoring? shall she be endeavoring? shall we be endeavoring? shall you be endeavoring? shall they be endeavoring?  | 
Perfect | V-ing perfect | 
| shall I have endeavored? shall you have endeavored? shall she have endeavored? shall we have endeavored? shall you have endeavored? shall they have endeavored?  | shall I have been endeavoring? shall you have been endeavoring? shall she have been endeavoring? shall we have been endeavoring? shall you have been endeavoring? shall they have been endeavoring?  | 
Simple form | V-ing form | 
| shan't I endeavor? shan't you endeavor? shan't she endeavor? shan't we endeavor? shan't you endeavor? shan't they endeavor?  | shan't I be endeavoring? shan't you be endeavoring? shan't she be endeavoring? shan't we be endeavoring? shan't you be endeavoring? shan't they be endeavoring?  | 
Perfect | V-ing perfect | 
| shan't I have endeavored? shan't you have endeavored? shan't she have endeavored? shan't we have endeavored? shan't you have endeavored? shan't they have endeavored?  | shan't I have been endeavoring? shan't you have been endeavoring? shan't she have been endeavoring? shan't we have been endeavoring? shan't you have been endeavoring? shan't they have been endeavoring?  |