| Present "overdo / overdoes" | I | overdo | |
| Present Continuous "overdo / overdoes" | I | am overdoing | |
| Simple past "overdo / overdoes" | I | overdid | |
| Past Continuous "overdo / overdoes" | I | was overdoing | |
| Present perfect "overdo / overdoes" | I | have overdone | |
| Present perfect continuous "overdo / overdoes" | I | have been overdoing | |
| Past perfect "overdo / overdoes" | I | had overdone | |
| Past perfect continuous "overdo / overdoes" | I | had been overdoing | |
| Future "overdo / overdoes" | I | will overdo | |
| Future continuous "overdo / overdoes" | I | will be overdoing | |
| Future perfect "overdo / overdoes" | I | will have overdone | |
| Future perfect continuous "overdo / overdoes" | I | will have been overdoing |