| Prezent (Present) "demonstrate" | I | demonstrate | |
| Prezent continuu (Present Continuous) "demonstrate" | I | am demonstrating | |
| Trecut simplu (Simple past) "demonstrate" | I | demonstrated | |
| Trecutul continuu (Past Continuous) "demonstrate" | I | was demonstrating | |
| Present Perfect (Present perfect) "demonstrate" | I | have demonstrated | |
| Present Perfect continuu (Present perfect continuous) "demonstrate" | I | have been demonstrating | |
| Trecutul perfect (Past perfect) "demonstrate" | I | had demonstrated | |
| Trecut perfect continuu (Past perfect continuous) "demonstrate" | I | had been demonstrating | |
| Viitor (Future) "demonstrate" | I | will demonstrate | |
| Viitorul continuu (Future continuous) "demonstrate" | I | will be demonstrating | |
| Viitorul perfect (Future perfect) "demonstrate" | I | will have demonstrated | |
| Perfectă Viitorul continuu (Future perfect continuous) "demonstrate" | I | will have been demonstrating |