| Present "broaden" | I | broaden | |
| Present Continuous "broaden" | I | am broadening | |
| Simple past "broaden" | I | broadened | |
| Past Continuous "broaden" | I | was broadening | |
| Present perfect "broaden" | I | have broadened | |
| Present perfect continuous "broaden" | I | have been broadening | |
| Past perfect "broaden" | I | had broadened | |
| Past perfect continuous "broaden" | I | had been broadening | |
| Future "broaden" | I | will broaden | |
| Future continuous "broaden" | I | will be broadening | |
| Future perfect "broaden" | I | will have broadened | |
| Future perfect continuous "broaden" | I | will have been broadening |