| Present "box" | I | box | |
| Present Continuous "box" | I | am boxing | |
| Simple past "box" | I | boxed | |
| Past Continuous "box" | I | was boxing | |
| Present perfect "box" | I | have boxed | |
| Present perfect continuous "box" | I | have been boxing | |
| Past perfect "box" | I | had boxed | |
| Past perfect continuous "box" | I | had been boxing | |
| Future "box" | I | will box | |
| Future continuous "box" | I | will be boxing | |
| Future perfect "box" | I | will have boxed | |
| Future perfect continuous "box" | I | will have been boxing |