| Present "block" | I | block | |
| Present Continuous "block" | I | am blocking | |
| Simple past "block" | I | blocked | |
| Past Continuous "block" | I | was blocking | |
| Present perfect "block" | I | have blocked | |
| Present perfect continuous "block" | I | have been blocking | |
| Past perfect "block" | I | had blocked | |
| Past perfect continuous "block" | I | had been blocking | |
| Future "block" | I | will block | |
| Future continuous "block" | I | will be blocking | |
| Future perfect "block" | I | will have blocked | |
| Future perfect continuous "block" | I | will have been blocking |