
Regular verb: warn - warned - warned
Simple form | V-ing form | 
| I'll warn you'll warn she'll warn we'll warn you'll warn they'll warn  | I'll be warning you'll be warning she'll be warning we'll be warning you'll be warning they'll be warning  | 
Perfect | V-ing perfect | 
| I'll have warned you'll have warned she'll have warned we'll have warned you'll have warned they'll have warned  | I'll have been warning you'll have been warning she'll have been warning we'll have been warning you'll have been warning they'll have been warning  | 
Simple form | V-ing form | 
| I won't warn you won't warn she won't warn we won't warn you won't warn they won't warn  | I won't be warning you won't be warning she won't be warning we won't be warning you won't be warning they won't be warning  | 
Perfect | V-ing perfect | 
| I won't have warned you won't have warned she won't have warned we won't have warned you won't have warned they won't have warned  | I won't have been warning you won't have been warning she won't have been warning we won't have been warning you won't have been warning they won't have been warning  | 
Simple form | V-ing form | 
| will I warn? will you warn? will she warn? will we warn? will you warn? will they warn?  | will I be warning? will you be warning? will she be warning? will we be warning? will you be warning? will they be warning?  | 
Perfect | V-ing perfect | 
| will I have warned? will you have warned? will she have warned? will we have warned? will you have warned? will they have warned?  | will I have been warning? will you have been warning? will she have been warning? will we have been warning? will you have been warning? will they have been warning?  | 
Simple form | V-ing form | 
| won't I warn? won't you warn? won't she warn? won't we warn? won't you warn? won't they warn?  | won't I be warning? won't you be warning? won't she be warning? won't we be warning? won't you be warning? won't they be warning?  | 
Perfect | V-ing perfect | 
| won't I have warned? won't you have warned? won't she have warned? won't we have warned? won't you have warned? won't they have warned?  | won't I have been warning? won't you have been warning? won't she have been warning? won't we have been warning? won't you have been warning? won't they have been warning?  |