| Present | |
| já | zaručím |
| ty | zaručíš |
| on/ona | zaručí |
| my | zaručíme |
| vy | zaručíte |
| oni | zaručí |
| Past Participles | |
| masculine | zaručil |
| feminine | zaručila |
| neutral | zaručilo |
| plural (anim) | zaručili |
| plural (neut) | zaručila |
| plural (other) | zaručily |
| Imperative | |
| ty | zaruč |
| my | zaručme |
| vy | zaručte |