VOCABULARY
EXPANSION
WITH
-IEREN VERBS
German has many verbs that end in –ieren. They offer an easy way for
German students with Latin-based language roots to expand their
vocabulary because MANY (not all) of these –ieren verbs have related
Latin-based verbs in other languages.
In English, for example, some of these verbs end in –ate.
Example: kollaborieren  kollabor / ieren  collaborate
What are the equivalent English verbs for the following –ieren verbs?
1.
2.
3.
4.
5.
6.
7.
8.
dominieren
operieren
delegieren
tolerieren
renovieren
detonieren
spekulieren
demonstrieren
Many of the German –ieren verbs have the same root as an English
verb and can be easily recognized if you cut off the –ieren part in
German. You may have to make a minor change (e.g., k  c).
Example: dividieren  divid / ieren  to divide
What are the equivalent English verbs for the following –ieren verbs?
1. patentieren
2. addieren
3. trainieren
4. protestieren
5. explodieren
6. produzieren
7. existieren
8. deklarieren
9. konservieren
10.reduzieren
Almost all of the German –ieren verbs are regular in their conjugation
and form the past participle by adding –t to the stem, without
–ge in front (e.g., kopieren  hat kopiert).
Please note: “verlieren” und “frieren” are not true –ieren verbs.
They are irregular!!
Example: diskutieren / diskutierte (simple past) / hat diskutiert
What are the simple past and past participle forms of the following
German –ieren verbs?
1.
2.
3.
4.
5.
6.
7.
8.
garantieren
probieren
reparieren
informieren
gratulieren
studieren
marschieren (comes with “sein”)
reagieren