| Present "assert" | I | assert | |
| Present Continuous "assert" | I | am asserting | |
| Simple past "assert" | I | asserted | |
| Past Continuous "assert" | I | was asserting | |
| Present perfect "assert" | I | have asserted | |
| Present perfect continuous "assert" | I | have been asserting | |
| Past perfect "assert" | I | had asserted | |
| Past perfect continuous "assert" | I | had been asserting | |
| Future "assert" | I | will assert | |
| Future continuous "assert" | I | will be asserting | |
| Future perfect "assert" | I | will have asserted | |
| Future perfect continuous "assert" | I | will have been asserting |