1.很多形容词既可以放在所修饰的名词之前也可以跟在appear, be, become, feel, get, seem等系动词之后

The high price surprised him.

The price seemed high.

2.有些形容词很少或从不用于他们所修饰的名词前，包括：

1）一些有前缀a-和名词或动词组成的形容词，如afraid, alike, alive, alone, ashamed, asleep, awake, aware:

The horse was alone in the field. （不用the alone horse）

一些与前缀为a-形容词相关的形容词既可以放在名词前，也可以跟在系动词后，

The animal was alive.

A living animal. (或a live animal/ the animal was living)

类似的形容词还包括afraid-frightened, alike-similar, alone-lone, asleep-sleeping

2)一些描述健康和情绪的形容词： content, fine, glad, ill, sorry, sure, upset, well等

My son felt unwell. （不用my unwell son）

这些形容词有时用在副词和名词之间，例如a terminally ill patient.

3.强调形容词用来强调对某物的感觉：

I felt a fool/ I felt a complete fool. (为了强调)

一些强调形容词（如complete, absolute, entire, mere, sheer, total）等很少或从不放在系动词后：

It was a total failure. (通常不用the failure was total)