Verb る の～

When to use

Casual sentence-final の: explains, or asks for an explanation. Polite: のです / んです.

Explanation

The る の～ grammar point is a casual spoken pattern that can nominalize a verb or explain a purpose/reason by adding の. It's often seen in everyday conversation, and can be used for nuance such as giving an explanation. It's similar to ること, but is more colloquial or explanatory in tone.

• 買かい物ものをするために、銀行ぎんこうでお金かねをおろすの。

  I'm withdrawing money at the bank so I can go shopping.

  Kaimono o suru tame ni, ginkou de okane o orosu no.

• 友達ともだちにプレゼントをあげるので、ケーキを焼やくの。

  I'm baking a cake because I'm giving my friend a present.

  Tomodachi ni purezento o ageru node, keeki o yaku no.

• ダイエットを始はじめるので、ジムに入会にゅうかいするの。

  I’m joining a gym since I'm starting a diet.

  Daietto o hajimeru node, jimu ni nyuukai suru no.

• 軽かるい食事しょくじがいいので、サラダを作つくるの。

  I'm making a salad because I want a light meal.

  Karui shokuji ga ii node, sarada o tsukuru no.

Explanation (The Reason Is)

• ～のです〜no desuN4Provides an explanation or gives background information…
• ～わけだ〜wake daN3Expresses a logical conclusion or reason based on…
• ～というものだ〜to iu mono daN2Expressing a general rule or common sense.

Compare when to use each