BE动词后面接什么词性 be动词后面接什么词? be动词后接什么词性的词
be动词后接成分的完整解析
be动词(am/is/are/was/were/been/being)是英语中功能最复杂的动词其中一个,其后可接多种词性或结构,具体用法如下:
一、作系动词时:构成主系表结构
be动词作为系动词时,连接主语与表语,表语类型包括:
- 名词或代词
- He is a scientist. (接名词)
- The winner is me. (接代词)
- 形容词
- The weather is perfect. (直接描述情形)
- She seems happy. (可与感官动词连用)
- 介词短语
- The keys are in the drawer. (表示位置)
- The meeting is at 3 PM. (表示时刻)
- 副词
- The light is on. (表示情形)
- I will be there soon. (表示方位)
- 不定式或动名词
- My goal is to study abroad. (不定式表目的)
- Her hobby is painting. (动名词表持续性活动)
二、作助动词时:构成时态或语态
- 构成进行时态(be + 现在分词)
- They are playing basketball. (现在进行时)
- He was reading when I called. (过去进行时)
- 构成被动语态(be + 过去分词)
- The cake was eaten by the children. (一般过去被动)
- The project has been completed. (现在完成被动)
- 被动语态全时态示例:
- 一般现在时:am/is/are + done
- 过去完成时:had been + done
三、独特搭配与扩展用法
- 固定短语
- be responsible for(负责)
- be aware of(觉悟到)
- be in love(恋爱中)
- 表达规划或预测(be going to + 动词原形)
- We are going to visit Paris next month.
- 强调句式(It is… that…)
- It is the effort that matters.
四、易错点辨析
- 形容词 vs. 副词
- 正确:She is careful. (形容词作表语)
- 错误:She is carefully. (副词不可单独作表语)
- 被动语态与系表结构的区别
- 被动语态强调动作:The window was broken by the storm.
- 系表结构强调情形:The window is broken. (描述现状)
拓展资料表格
后接成分 | 示例 | 语法影响 |
---|---|---|
名词/代词 | He is a doctor. | 说明身份或属性 |
形容词 | The soup is delicious. | 描述性质或情形 |
介词短语 | The cat is under the table. | 表达方位或条件 |
现在分词 | They are dancing. | 构成进行时态 |
过去分词 | The letter was written. | 构成被动语态或描述情形 |
不定式/动名词 | Her job is to teach. | 表目标或持续性动作 |
引用说明:以上内容综合了多篇搜索结局,涵盖基础语法制度、时态结构及实际应用场景。具体例句和制度可参考相关语法教材或权威词典进一步验证。