| Present "ponder" | I | ponder | |
| Present Continuous "ponder" | I | am pondering | |
| Simple past "ponder" | I | pondered | |
| Past Continuous "ponder" | I | was pondering | |
| Present perfect "ponder" | I | have pondered | |
| Present perfect continuous "ponder" | I | have been pondering | |
| Past perfect "ponder" | I | had pondered | |
| Past perfect continuous "ponder" | I | had been pondering | |
| Future "ponder" | I | will ponder | |
| Future continuous "ponder" | I | will be pondering | |
| Future perfect "ponder" | I | will have pondered | |
| Future perfect continuous "ponder" | I | will have been pondering |