系动词的用法（新概念青少版）

系动词的用法（新概念青少版）
英语动词中有一类动词叫系动词，别的实义动词用副词修饰，而系动词要用形容词来修饰。

系动词+形容词在语法上叫系表结构。

修饰系动词的形容词作表语，其实是说明主语的情况。

一系动词be
He is tired. She is hungry. We are thirsty. They're excited. I'm young.
二感官动词look看起来 smell闻起来sound听起来 taste尝（吃）起来
feel感觉（起来） touch摸起来
The flower looks beautiful. The meat smells good. The music sounds nice.
The vegetables taste sweet. I feel hot. The toy touches soft.
三变得（怎么样） get turn become go grow
The nights get long(er). The leaves turn yellow. The days become warmer.
The milk goes bad. They grow old.
四保持 stay keep remain
You'd better stay warm. They keep quiet. The house remains tidy.
练习
1 The train becomes (quick/quickly)
2 The songs sound (good/well)
3 He is (happy/happily)。