| Present "undershoot" | I | undershoot | |
| Present Continuous "undershoot" | I | am undershooting | |
| Simple past "undershoot" | I | undershot | |
| Past Continuous "undershoot" | I | was undershooting | |
| Present perfect "undershoot" | I | have undershot | |
| Present perfect continuous "undershoot" | I | have been undershooting | |
| Past perfect "undershoot" | I | had undershot | |
| Past perfect continuous "undershoot" | I | had been undershooting | |
| Future "undershoot" | I | will undershoot | |
| Future continuous "undershoot" | I | will be undershooting | |
| Future perfect "undershoot" | I | will have undershot | |
| Future perfect continuous "undershoot" | I | will have been undershooting |