1. 関係代名詞

2. 関係代名詞（人で主格） I have a brother. The brother teaches English. a brother. The brother 代名詞を使う I have a brother. He teaches English. 関係代名詞を使って１つの文に I have a brother who teaches English.

3. 練習 I know a boy. He runs very fast. I know a boy who runs very fast. This is a student. She likes Mr Yamamoto. This is a student who likes Mr Yamamoto.

4. 関係代名詞（もので主格） I have a car. The car was made in Japan.a car. The car 代名詞を使う I have a car. It was made in Japan. 関係代名詞を使って１つの文に I have a car which was made in Japan.

5. 練習 I have a bike. It was given by my father. I have a bike which was given by my father. This is a speech. It became famous. This is a speech which became famous.

6. 次の場合はどうでしょうか？ The man He is running over there teaches English. who He.

7. 練習 The boy is my brother. He is playing tennis. The boy who is playing tennis is my brother. The girl is running. She speaks English well. The girl who speaks English well is running.

8. 関係代名詞（もので目的格） I have a car. I like the car very much. 代名詞を使う I have a car. I like it very much. 関係代名詞を使って１つの文に I have a car. I like very much. it that

9. 練習 This is the song. I like it very much. This is the song which I like very much. This is the book. I bought it yesterday. This is the book which I bought yesterday.

10. 関係代名詞 主格目的格 人 人以外 どっちで も who that which that