Japanese uses three writing systems: hiragana, katakana, and kanji. In this lesson, we will focus on the first two—hiragana and katakana—which form the foundation of written Japanese. You will also learn how to type Japanese on a computer using an English keyboard. Some expressions introduced in this lesson may appear before their full grammatical explanations. These will be explained in detail in subsequent lessons. Noun sentence: Noun + です /desu/ Question marker か /ka/: Noun＋ですか /desu ka/ はい /hai/, ええ /ee/ vs. いいえ /iie/