定语从句是用来修饰主句中的名词的,它是个完整的句子,引导词在从句中充当一定的成分.
1.I (主语)like music(先行词） that （引导词）I can sing along with.
(引导词作从句宾语)
2.Rosa (主语)likes music (先行词）that（引导词）is quiet and gentle.
(引导词作从句主语)
3.I(主语)love singers (先行词）who（引导词） write their own music.
(引导词作从句主语)
4.We (主语)prefer music(先行词） that（引导词） has great lyrics
(引导词作从句主语)