| Present "dampen" | I | dampen | |
| Present Continuous "dampen" | I | am dampening | |
| Simple past "dampen" | I | dampened | |
| Past Continuous "dampen" | I | was dampening | |
| Present perfect "dampen" | I | have dampened | |
| Present perfect continuous "dampen" | I | have been dampening | |
| Past perfect "dampen" | I | had dampened | |
| Past perfect continuous "dampen" | I | had been dampening | |
| Future "dampen" | I | will dampen | |
| Future continuous "dampen" | I | will be dampening | |
| Future perfect "dampen" | I | will have dampened | |
| Future perfect continuous "dampen" | I | will have been dampening |