Noun かたがた

When to use

Formal, literary "while also doing/for the purpose of" - similar function to がてら, more formal register.

Explanation

「Noun かたがた」 is a somewhat formal expression for doing one thing while also doing another. The first action is often the main purpose, and the second is done simultaneously or incidentally.

• 東京とうきょうへ出張しゅっちょうのかたがた、友人ゆうじんに会あいに行いった。

  While on a business trip to Tokyo, I also went to see a friend.

  Toukyou e shucchou no kata gata, yuujin ni ai ni itta.

• 観光かんこうのかたがた、お土産みやげを買かいました。

  While sightseeing, I bought some souvenirs.

  Kankou no kata gata, omiyage o kaimashita.

• 散歩さんぽのかたがた、ゴミを拾ひろった。

  While taking a walk, I also picked up trash.

  Sanpo no kata gata, gomi o hirotta.

• 学習がくしゅうのかたがた、音楽おんがくを聞きいた。

  While studying, I also listened to music.

  Gakushuu no kata gata, ongaku o kiita.

Occasion (While Doing / On The Occasion Of)

• ～際に〜sai niN2Means 'when', 'while', or 'on the occasion of' a certain…
• Noun がてらNoun gateraN1Means 'while...at the same time', 'on the occasion of', or…
• ～折には〜ori ni waN2Expresses 'when' or 'in case of' specific situations or…
• ～に際して〜ni saishiteN2Used to express the moment or the occasion of an action…
• ～にあたり〜ni atariN2Expresses the meaning of 'at the time of', 'in', 'on', or…

Compare when to use each