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.
Sentence Structure
The building's ancient structure could crumble if there was an earthquake.
kinds of sentence according to structure
means to change the structure of sentence
What sentence structure is this? - It is a simple structure for an interrogative sentence.
The structure of the cake was high.
The organization and complexity of a sentence.
a sentence structure.
"Because she was sick" is not any type of sentence structure. It is called a sentence fragment.
Here is an example of social structure used in a sentence. The neighborhoods of a city is made up of its social structure.
Enzymes are used to speed up reactions with out being consumed, or change in structure.