What are the predicative, adverbial, complement and subject in Chinese?

What is subject, predicate, object, adverbial, predicative and attribute in Chinese is the correct expression of things in a sentence. ......

Subject: the elements that indicate who and what in a sentence.

Xiao erhei is a good boy. Poplar trees have sprouted.

Predicate: a component in a sentence that indicates who does what or what.

We are reading in the classroom.

White clouds are floating in the air.

Object: In a sentence, the object indicating the domination of action is usually at the end of the sentence, and sometimes "ba" is used in front.

The students are doing experiments.

I have given my chemistry homework to the monitor.

Adverbial: a word used to modify an action in a sentence.

For example, Zhao Shanshan slowly picked up his schoolbag.

The old ferryman walked on the rolling Yellow River.

Attribute: Modifying and limiting the characteristics of things in sentences.

There are a few faint white clouds floating in the blue sky.

Predicate? Is it a complement error or a change in expression vocabulary?

Complement is to modify and limit the degree of action, generally at the end of a sentence, often served by adjectives and momentum words. I have been to your house three times. The road to Hope Primary School in mountainous areas is extremely difficult.