| Present "flush" | I | flush | |
| Present Continuous "flush" | I | am flushing | |
| Simple past "flush" | I | flushed | |
| Past Continuous "flush" | I | was flushing | |
| Present perfect "flush" | I | have flushed | |
| Present perfect continuous "flush" | I | have been flushing | |
| Past perfect "flush" | I | had flushed | |
| Past perfect continuous "flush" | I | had been flushing | |
| Future "flush" | I | will flush | |
| Future continuous "flush" | I | will be flushing | |
| Future perfect "flush" | I | will have flushed | |
| Future perfect continuous "flush" | I | will have been flushing |