| Present "grind" | I | grind | |
| Present Continuous "grind" | I | am grinding | |
| Simple past "grind" | I | ground | |
| Past Continuous "grind" | I | was grinding | |
| Present perfect "grind" | I | have ground | |
| Present perfect continuous "grind" | I | have been grinding | |
| Past perfect "grind" | I | had ground | |
| Past perfect continuous "grind" | I | had been grinding | |
| Future "grind" | I | will grind | |
| Future continuous "grind" | I | will be grinding | |
| Future perfect "grind" | I | will have ground | |
| Future perfect continuous "grind" | I | will have been grinding |