句子成分
主语 Subject
He is playing basketball.
Reading is interesting.
It is impossible to finish the work in a month.形式主语
= Finishing the work in a month is impossible.
To see is to believe.
Whether he comes or not is still unknown.主语从句
主语补足语 Complement ( Cs 主补—系动词或其他结构之后,对主语补充说明)
This is a book.
These leaves turn yellow in autumn.
宾语 Object;
I like playing badminton.
He just asked me the same question.
宾语补足语 Co
Please sweep the room clean.
I found a book lying on the ground.
定语 Attributive
beautiful flowers; the building on fire ；something to eat;
newly published books; sports meeting
The dog which I kicked bit me.
They finally agreed on the time when they were to meet.
状语 Adverbial
He is writing slowly.（修饰动词）
She is very patient.（修饰形容词）
He arrived very late.(修饰副词)
Mike went there secretly every night last week.
地点 方式 频度 时间
They are fighting for freedom.（目的状语）
I left home as soon as I finished my breakfast.（时间状语从句）
She was didn’t take part in the exam because she was ill.（原因状语从句）
Everywhere they go,they are warmly welcomed.（地点状语从句）
He looked at me as if I were mad.（方式状语从句）
I went to the lecture early,so that I got a good seat.（结果状语从句）
He went through the paper again and again in order that he could get a better score.（目的状语从句）
Drop me a line if you are free.（条件状语从句）
Although they fail again,yet they didn’t lose hope.（让步状语从句）
They are more experienced than I am.（比较状语从句）
希望对你有帮助--Will
