
Regular verb: caution - cautioned - cautioned
Simple form | V-ing form | 
| I'll caution you'll caution he'll caution we'll caution you'll caution they'll caution  | I'll be cautioning you'll be cautioning he'll be cautioning we'll be cautioning you'll be cautioning they'll be cautioning  | 
Perfect | V-ing perfect | 
| I'll have cautioned you'll have cautioned he'll have cautioned we'll have cautioned you'll have cautioned they'll have cautioned  | I'll have been cautioning you'll have been cautioning he'll have been cautioning we'll have been cautioning you'll have been cautioning they'll have been cautioning  | 
Simple form | V-ing form | 
| I shan't caution you shan't caution he shan't caution we shan't caution you shan't caution they shan't caution  | I shan't be cautioning you shan't be cautioning he shan't be cautioning we shan't be cautioning you shan't be cautioning they shan't be cautioning  | 
Perfect | V-ing perfect | 
| I shan't have cautioned you shan't have cautioned he shan't have cautioned we shan't have cautioned you shan't have cautioned they shan't have cautioned  | I shan't have been cautioning you shan't have been cautioning he shan't have been cautioning we shan't have been cautioning you shan't have been cautioning they shan't have been cautioning  | 
Simple form | V-ing form | 
| shall I caution? shall you caution? shall he caution? shall we caution? shall you caution? shall they caution?  | shall I be cautioning? shall you be cautioning? shall he be cautioning? shall we be cautioning? shall you be cautioning? shall they be cautioning?  | 
Perfect | V-ing perfect | 
| shall I have cautioned? shall you have cautioned? shall he have cautioned? shall we have cautioned? shall you have cautioned? shall they have cautioned?  | shall I have been cautioning? shall you have been cautioning? shall he have been cautioning? shall we have been cautioning? shall you have been cautioning? shall they have been cautioning?  | 
Simple form | V-ing form | 
| shan't I caution? shan't you caution? shan't he caution? shan't we caution? shan't you caution? shan't they caution?  | shan't I be cautioning? shan't you be cautioning? shan't he be cautioning? shan't we be cautioning? shan't you be cautioning? shan't they be cautioning?  | 
Perfect | V-ing perfect | 
| shan't I have cautioned? shan't you have cautioned? shan't he have cautioned? shan't we have cautioned? shan't you have cautioned? shan't they have cautioned?  | shan't I have been cautioning? shan't you have been cautioning? shan't he have been cautioning? shan't we have been cautioning? shan't you have been cautioning? shan't they have been cautioning?  |