（1）am ;is ;are; was ;were ;will be; would be ;had been ;have been ;has been 是或在

（2）feel ;look;smell;taste; sound ;seem ; appear 感官動詞

（3）Become; get; grow; go; come ;turn; 表示“變得”

（4）Keep ; remain ; stay 表示“保持”

其中（2）（3）（4）的表語都是形容詞

2) 感官動詞：seem, taste, feel, appear, look, smell, sound

1、She seems really slim.

2、This food tastes delicious.

3）表示狀態延續的 remain, stay, keep,

1、The man remains silent

2、it could stay cool

3、you keep quiet for a minute

4、The weather continue warm

4）表示狀態變化的 become, get, turn, go, grow

1、She becomes more cute

2、It gets cold