The infinitive is formed by appending -a to the verb stem, e.g. skriva ~ to write.

The active participle is formed by appending -end to the verb stem, e.g. skrivend ~ writing.

The passive participle is formed by appending -et to the verb stem, e.g. skrivet ~ written. If speakable the e in the ending can be omitted, e.g. skrivt.