The structure of that tall building has the most improved work I have ever seen!
It seems like there might be a typo in your question. If you meant "What is a sentence structure?" then sentence structure refers to the way words are organized in a sentence, including the order of words, phrases, and clauses to convey meaning. Good sentence structure is important for clear communication.
What sentence structure is this? - It is a simple structure for an interrogative sentence.
Sentence Structure
The building's ancient structure could crumble if there was an earthquake.
means to change the structure of sentence
kinds of sentence according to structure
The structure of the cake was high.
"Because she was sick" is not any type of sentence structure. It is called a sentence fragment.
a sentence structure.
The organization and complexity of a sentence.
Here is an example of social structure used in a sentence. The neighborhoods of a city is made up of its social structure.
i saw the structure of a building.