でもある
demo aru

Godan Verb (ru)

1. to also be (implies that as well as the earlier stated this is also the case)

Related to である
でぃう.H えいち.ロレンスは小説 しょうせつ でもあり詩人 しじんでもある。
diieichirorensuwa shōsetsukademo ari shijindemo aru.
D.H. Lawrence is a novelist and poet.
Godan Verb (ru)

2. to be ... or something

なん わるいことでもあったの?
nanika warui kotodemo attano
What is the matter with you?