From filter + -en, in its more recent usage possibly influenced by English filter (verb).
filteren
This word is now typically used in more informal contexts, such as in hobbies, photography, etc. For filtration in academic disciplines such as chemistry and physics, the verb filtreren is more commonly used instead.
| Conjugation of filteren (weak) | ||||
|---|---|---|---|---|
| infinitive | filteren | |||
| past singular | filterde | |||
| past participle | gefilterd | |||
| infinitive | filteren | |||
| gerund | filteren n | |||
| present tense | past tense | |||
| 1st person singular | filter | filterde | ||
| 2nd person sing. (jij) | filtert, filter2 | filterde | ||
| 2nd person sing. (u) | filtert | filterde | ||
| 2nd person sing. (gij) | filtert | filterde | ||
| 3rd person singular | filtert | filterde | ||
| plural | filteren | filterden | ||
| subjunctive sing.1 | filtere | filterde | ||
| subjunctive plur.1 | filteren | filterden | ||
| imperative sing. | filter | |||
| imperative plur.1 | filtert | |||
| participles | filterend | gefilterd | ||
| 1) Archaic. 2) In case of inversion. | ||||
filteren
filteren (third-person singular present filtert, past participle gefiltert, auxiliary verb hunn)
| Regular | ||
|---|---|---|
| infinitive | filteren | |
| participle | gefiltert | |
| auxiliary | hunn | |
| present indicative |
imperative | |
| 1st singular | filteren | — |
| 2nd singular | filters | filter |
| 3rd singular | filtert | — |
| 1st plural | filteren | — |
| 2nd plural | filtert | filtert |
| 3rd plural | filteren | — |
| (n) or (nn) indicates the Eifeler Regel. | ||