1. Noun

   1.

   inflecting dependent word (in Japanese); bound auxiliary

2. 2.

   auxiliary verb (in languages other than Japanese)

Example sentences

• canは助動詞ですので、疑問文では文頭に持ってきます。

  'can' is an auxiliary verb, so in question sentences it is brought to the start of the phrase.

• この文は現在完了形です。haveは動詞ではなく、助動詞。

  This sentence is in the present perfect. 'have' is not a verb, but an auxiliary verb.