This sentence is an informative statement. It provides facts about rhapsodies, indicating that they are known for having one movement in their compositions and a fluid structure with changes of tone.
What sentence structure is this? - It is a simple structure for an interrogative sentence.
Sentence Structure
means to change the structure of sentence
kinds of sentence according to structure
mass movement
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 student practices etudes to improve their technique on the piano.
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.