rosten
to rust
To form rust under the influence of moisture and oxygen and become damaged or change its surface as a result.
EXAMPLE
Das alte Fahrrad beginnt an mehreren Stellen zu rosten.
The old bicycle is beginning to rust in several places.
rosten
to rust
rosten – rostete – hat gerostet
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Meanings
Forms
Forms adapted from the German Wiktionary entry rosten, by Wiktionary contributors, licence CC BY-SA 4.0.
Present
| ich | roste |
|---|---|
| du | rostest |
| er/sie/es | rostet |
| wir | rosten |
| ihr | rostet |
| sie | rosten |
Simple past
| ich | rostete |
|---|---|
| du | rostetest |
| er/sie/es | rostete |
| wir | rosteten |
| ihr | rostetet |
| sie | rosteten |
Perfect
with haben or sein
| ich | habe gerostet |
|---|---|
| du | hast gerostet |
| er/sie/es | hat gerostet |
| wir | haben gerostet |
| ihr | habt gerostet |
| sie | haben gerostet |
Commands
| du | rost! roste! |
|---|---|
| ihr | rostet! |
| Sie | rosten Sie! |
Past perfect
| ich | hatte gerostet |
|---|---|
| du | hattest gerostet |
| er/sie/es | hatte gerostet |
| wir | hatten gerostet |
| ihr | hattet gerostet |
| sie | hatten gerostet |
Future
| ich | werde rosten |
|---|---|
| du | wirst rosten |
| er/sie/es | wird rosten |
| wir | werden rosten |
| ihr | werdet rosten |
| sie | werden rosten |
Subjunctive I
| ich | roste |
|---|---|
| du | rostest |
| er/sie/es | roste |
| wir | rosten |
| ihr | rostet |
| sie | rosten |
Used for reported speech.
Subjunctive II
| ich | rostete |
|---|---|
| du | rostetest |
| er/sie/es | rostete |
| wir | rosteten |
| ihr | rostetet |
| sie | rosteten |
Used for wishes and “would”.
Other forms
| infinitive | rosten |
|---|---|
| with zu | zu rosten |
| present participle | rostend |
| past participle | gerostet |
Usage tips
Word family
The noun 'Rost' (rust) is contained in 'rosten' (to rust). This makes it possible to understand the verb as a process in which rust forms.
EXAMPLE
Das Gartentor rostet seit Jahren vor sich hin.
The garden gate has been gradually rusting for years.
Sentence structure
'Rosten' (to rust) is normally used without an accusative object: The material or object that develops rust is used as the subject. The affected area can additionally be mentioned with 'an' and the dative.
EXAMPLE
Das Metall rostet an den Verbindungsstellen.
The metal is rusting at the connection points.
Die alte Laterne rostet an der Unterseite.
The old street lamp is rusting on the underside.
Typical collocations
Objects or materials made of iron or metal often appear as the subjects of 'rosten' (to rust), for example bicycles, fences, pipes, and screws.
EXAMPLE
Die Schrauben am Gartenzaun rosten schon stark.
The screws on the garden fence are already badly rusting.
In real life
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