句子成分-Sentence Constituent
英语中的9种句子成分：
主、谓、宾、定、状、补、表、同位语和独立主格；
1主语（Subject）：是句子陈述的对象。
The temperature will stay above zero.
Who's knocking the door?
It's good to swim in summer.
2谓语（Predicate）：由动词构成，说明主语所发出的动作或具有的特征和状态。
She loves him deeply in her heart.
I made your birthday cake last night.
I will go and move away the bag of rice.
3宾语（Object）：是谓语动作所涉及的对象，是动作的承受者，一般放在谓语动词后面。
I saw a cat in the tree.
I want a bottle of water.
He gave me an interesting storybook.
4定语（Attribute）：用于描述名词、代词、短语或从句的性质、特征等情况的词叫做定语。
Our country is a developing country.
I have a lot of things to do.
The boy there needs a pen.
5状语（Adverbial）：说明事物发生的时间，地点，原因，目的，结果，方式，条件或伴随等。
He is playing under the tree.
I come specially to see you.
When she was 12 years old, she began to live in Dalian.
6补语（Complement）：作用于主语和宾语，具有定语性描写或限制性功能，起补充说明作用。
At the meeting we elected him monitor.
We hear him singing in the hall.
Father will not allow us to play on the street.
表语（Predicative）：说明主语的性质，身份，特征和状态；表语一般放在系动词之后。
We are happy.
His pencil-case is yellow.
The dictionary is in the bag.
基本句型-Basic Sentence Structure
英语中的5种基本句型：
主谓、主谓宾、主系表、主谓宾+宾补、主谓+间宾+直宾；
1、主语+谓语：
Everybody laughed.
Something happened.
The guests have arrived.
2、主语+谓语+宾语：
I need a rest.
Four people are moving the piano.
Nobody could answer the question.
3、主语+系动词+表语：
The boy is cute.
The problom was big.
These flowers smell fragrant.
4、主语+谓语+宾语+宾语补足语：
We elected him president.
They painted the walls creamy white.
The directors appointed him sales manager.
5、主语+谓语+间接宾语+直接宾语：
Andy lent me his car.
David showed me the way.
He gave me a cup of tea.
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