| Present "endorse" | I | endorse | |
| Present Continuous "endorse" | I | am endorsing | |
| Simple past "endorse" | I | endorsed | |
| Past Continuous "endorse" | I | was endorsing | |
| Present perfect "endorse" | I | have endorsed | |
| Present perfect continuous "endorse" | I | have been endorsing | |
| Past perfect "endorse" | I | had endorsed | |
| Past perfect continuous "endorse" | I | had been endorsing | |
| Future "endorse" | I | will endorse | |
| Future continuous "endorse" | I | will be endorsing | |
| Future perfect "endorse" | I | will have endorsed | |
| Future perfect continuous "endorse" | I | will have been endorsing |