| Present "tread" | I | tread | |
| Present Continuous "tread" | I | am treading | |
| Simple past "tread" | I | trod | |
| Past Continuous "tread" | I | was treading | |
| Present perfect "tread" | I | have trodden; trod | |
| Present perfect continuous "tread" | I | have been treading | |
| Past perfect "tread" | I | had trodden; trod | |
| Past perfect continuous "tread" | I | had been treading | |
| Future "tread" | I | will tread | |
| Future continuous "tread" | I | will be treading | |
| Future perfect "tread" | I | will have trodden; trod | |
| Future perfect continuous "tread" | I | will have been treading |