名词动词形容词副词代词数词冠词介词连词感叹词

主语谓语宾语定语状语补语表语

主语表明句子中说的是谁或是什么。

$\color{green}{The }$ $\color{green}{teacher}$ told us an interesting story.（名词）
$\color{green}{We}$ love our motherland.（代词）
$\color{green}{Four}$ $\color{green}{and}$ $\color{green}{five}$ is nine.（数词）
$\color{green}{Walking}$ is a good exercise.（动名词）
$\color{green}{To}$ $\color{green}{see}$ is to believe（动词不定式）
$\color{green}{What}$ $\color{green}{you}$ $\color{green}{need}$ is more practice.（从句）

主要由形容词担任，此外，名词、代词、数词、副词、介词短语、动词不定式（短语）、分词、定语从句等也可充当定语。

His words moved everyone $\color{green}{present}$ .（形容词修饰不定代词）
This is a $\color{green}{stone}$ bridge.（名词作定语）
His father is $\color{green}{our}$ maths teacher.（代词作定语）
We belong to the $\color{green}{third}$ world.（数次作定语）
We should have told us if there was anything $\color{green}{up}$ .（副词作定语）
Yesterday the scientist madde a report $\color{green}{on}$ $\color{green}{science}$ .（介词短语作定语）
Do you have anythong more $\color{green}{to}$ $\color{green}{say}$ .（不定式作定语）
Do you know the number of books $\color{green}{ordeered}$ $\color{green}{ by}$ $\color{green}{the}$ $\color{green}{library}$ ?（过去分词短语作定语）
$\color{green}{Barking}$ dogs seldom bitm.（现在分词作定语）
He is a man $\color{green}{whom}$ $\color{green}{we}$ $\color{green}{should}$ $\color{green}{all}$ $\color{green}{learn}$ $\color{green}{from}$ .（定语从句作定语）