句子中会出现的成分
Subject 主语
Verb 谓语
Object 宾语
Link Verb 系动词 (系是联系的意思, 就是将前后两个词关联起来)
Predicative 表语
Indirect Object 间宾 (一般指人)
Direct Object 直宾 (一般指物)
Complement 补语
五种基本句式
主谓结构 - S V 句式
The universe remains.
主系表结构 - S L.V P 句式
The food is delicious.
主谓宾结构 - S V O 句式
He took his bag and left.
主谓双宾结构 - S V I.O D.O
Her father bought her a dictionary.
主谓宾宾补 - S V O C
We made him our monitor.
Be动词的形式
be动词的作用就是起到联系的作用
现在时 am is are
过去时 was were
原形 be
现在分词 being
过去分词 been
Be动词的用法 (am is are was were)
后面接名词, 形容词, 地点副词或短语作补足语
Be + n
The man is a teacher.
Be + adj
Her new dresses are colorful.
Be + 地点副词
My mother was in the kitchen.
Be动词的否定
am is are was were的否定缩略形式 am not, isn’t aren’t wasn’t weren’t
I am not a student. 我不是一个学生 (不是…)
The food isn’t delicious. 这东西不好吃 (不怎么样)
Be动词的提问/回答
Is he a teacher?
Yes, he is.
No, he isn’t.
Are you a teacher?
Yes, I am.
No, I am not.
Were they teachers?
Yes, they were.
No, they weren’t.