| Present "assure" | I | assure | |
| Present Continuous "assure" | I | am assuring | |
| Simple past "assure" | I | assured | |
| Past Continuous "assure" | I | was assuring | |
| Present perfect "assure" | I | have assured | |
| Present perfect continuous "assure" | I | have been assuring | |
| Past perfect "assure" | I | had assured | |
| Past perfect continuous "assure" | I | had been assuring | |
| Future "assure" | I | will assure | |
| Future continuous "assure" | I | will be assuring | |
| Future perfect "assure" | I | will have assured | |
| Future perfect continuous "assure" | I | will have been assuring |