Explanation of things using んです

In this lesson, I will introduce you the expression using んです, which is used to explain things. んです follows plain form of verbs, adjectives, and nouns. <Example Sentences> In response to the utterance, "You look tanned!" ハワイ　に　いったんです。 I went to Hawaii. *いった is past tense plain forms of いく, go *んです explains the reason why you look tanned. どうして　きのう　パーティ　に　こなかったんです　か。 Why didn't you come to the party yesterday? きのう　は　おきゃくさん　と　うちあわせ　が　あったんです。 I had a meeting with a customer yesterday. If you were Chinese, and someone talk to you in Japanese, you can say, ちゅうごくじんなんです。 I am Chinese. In response to your neighbor's utterance, "Your dog runs fast!", げんきなんです。 He is healthy. どうしたんですか。 What happened? あたま　が　いたいんです。 I have a headache. References: Introduction to Plain Forms https://anchor.fm/yuya-sato/episodes/Introduction-to-Plain-Forms-enp0g3 Plain Forms in Past Tense https://anchor.fm/yuya-sato/episodes/Plain-Forms-in-Past-Tense-eoe8fp Describing a Person's Feature https://anchor.fm/yuya-sato/episodes/Describing-a-Persons-Feature-ennovs Adjectives https://anchor.fm/yuya-sato/episodes/Adjectives-en9o8v Instagram: https://www.instagram.com/yuyaman1986