| Present "categorize" | I | categorize | |
| Present Continuous "categorize" | I | am categorizing | |
| Simple past "categorize" | I | categorized | |
| Past Continuous "categorize" | I | was categorizing | |
| Present perfect "categorize" | I | have categorized | |
| Present perfect continuous "categorize" | I | have been categorizing | |
| Past perfect "categorize" | I | had categorized | |
| Past perfect continuous "categorize" | I | had been categorizing | |
| Future "categorize" | I | will categorize | |
| Future continuous "categorize" | I | will be categorizing | |
| Future perfect "categorize" | I | will have categorized | |
| Future perfect continuous "categorize" | I | will have been categorizing |