构词法语法结构

Compounding

Noun + Present Participle/ Past Participle

noun + free

Grammar: Wh- noun clause

1.Subject clause

What happened to the plane remains a mystery.

2.Object clause

1)I have never understood why we keep a garden.

2)She patiently moves down each row selecting which plants shall live and which she will cast aside.

3)And we all know where it got him, too.

3.Predicative clause

This is when my wife becomes— openly now—mistress of the garden.