In formal writing you would not begin a sentence with because, therefore, the kind of sentence that begins with because is informal.
this type of sentence would be categorized as incomplete
no because then it would be a sentence fragment.
The sentence "You won the trophy" is not an interrogative sentence; it is a declarative sentence because it makes a statement. An interrogative sentence asks a question and typically begins with words like "what," "where," "when," "who," or "why." To convert it into an interrogative form, it could be rephrased as "Did you win the trophy?"
"Because she was sick" is not any type of sentence structure. It is called a sentence fragment.
a fragment
regular speech
kind is the adjective because it describing the person
'Until the class begins' is not a complete sentence, and therefore it can not be classified. It is a clause, introduced by the conjunction 'until.' 'Until the class begins' is not a complete thought. We're still waiting for the rest of the sentence. Something will or will not happen, take place, be allowed, etc., 'until the class begins.' Without that something being stated, there is not a complete thought. It takes a complete thought to make a sentence. 'The class begins' is a complete sentence. It sounds like an announcement of some kind. It is perhaps a little awkward or stilted, but it is a complete sentence. It expresses a complete thought. Furthermore, it is a declarative sentence. It states a fact.
No, except at the beginning of a sentence because it is not a proper noun.
if the word after it begins in a vowel
This is a subordinate clause acting as an adverbial clause because it begins with the subordinating conjunction "while" and provides information about the main action in the sentence.
The sentence technique modeled in the eResource is called sentence variety. This involves changing the way a sentence begins in order to create interest and rhythm in writing.