Three of the common prefixes are considered inseparable prepositions, because they must be attached to a word and cannot stand on their own.
| ּBefore a Shewa | Normally | … | Insperable Prepositions |
| בִ◌ | בְ◌ | bet | in/on/with/by) |
| כִ◌ | כְ◌ | kaf | as/like |
| לִ◌ | לְ◌ | lamed | to/for/onto |