主语(Subject)- 2021-01-26 20:40
categories:
- 英语
- 句子成分

主语

定义

主语是句子叙述的主体，一般置于句首，可由名词、代词、数词、名词化的形容词、不定式、动名词和主语从句等来承担。

举例

1.During the 1990s,** American country music has become’ more and more popular. 名词短语
2.We often speak English in class. 人称代词
3.One-third of the students in this class are girls.**名词短语
4.To swim in the river** is a great pleasure.**不定式
5.Smoking** does harm to the health. **动名词
6.The rich** should help the poor.**专有名词
7.When we are going to have an English test** has not been decided. **主语从句
8.It is necessary** to master a foreign language. it形式主语，不定代词
9.That he isn’t at home is not true. **主语从句

主语补语

定义

对主语的补充。含有宾语补足语的句子在变成被动语态，宾语作主语时，原来的宾补就成了主语补足语。

举例

His father named hem Rock. -> 宾补
He was named Rock by his father. 被动语态 -> 主补

主动省to 被动还愿
I saw her (to) **do **homework.
She was seen **to do **homework by me.