感官动词又叫连系动词。
连系动词分为两种情况，一种是表示状态，常见的有be，seem，look，sound，smell，taste，feel，keep；另一种是表示变化的，常见的有become，get，turn，grow等。
感官动词的用法
常用连系动词 词义
be 是
become 成为，变得
turn 变得
get 变得
smell 闻起来
sound 听起来
taste 品尝
seem 看起来，似乎
feel 感到，摸起来
look 看起来
Stay 保持
grow 成长，变得
keep 保持
感官动词的用法
（1）感官动词+宾语+v 表示经历事件的完整过程
感官动词+宾语+v-ing 表示动作正在进行，经历事件的部分过程
感官动词+宾语+v-ed 表示宾语与do是被动关系
I saw him work in the garden yesterday.
昨天我看见他在花园里干活了。(强调＂我看见了＂这个事实)
I saw him working in the garden yesterday.
昨天我见他正在花园里干活。（强调＂我见他正干活＂这个动作）
The managers discussed the plan that they would like to see carried out the next year.
【注意】若不定式作感官动词的补足语，用于被动语态，后面原有动词原形改为带to不定式。
We saw him go into the restaurant. → He was seen to go into the restaurant.
I hear the boy cry every day. → The boy is heard to cry every day.
（2）look, sound, smell, taste, feel可当系动词，后接形容词。
He looks angry.
It sounds good.
The flowers smell beautiful.
The sweets taste sweet.
The silk feels soft.
I felt tired.
They all looked tired.
这些动词都不用于被动语态。如：The sweets are tasted sweet.是错误的。
（3）look, sound, smell, taste, feel这些动词后面也可接介词like短语，like后面常用名词。
Her idea sounds like fun. 她的主意听起来很有趣。
