An introductory phrase or clause is often used as a sentence opener. This allows for varied sentence structures and can help to provide context or background information before the main subject of the sentence is introduced.
a subject
There is a good question. In this case, it is a preposition.
No. The word "however" is a transitional word.
The first sentence in a paragraph. It givesm the reader and idea of what the paragraph/essay is going to be about.
Yes, an opener can be in the middle of a sentence as long as it is set off by punctuation such as commas. For example, "However, despite his efforts, he still did not succeed."
A pronoun opener introduces a pronoun in a sentence and helps avoid repetition of a noun. For example, in the sentence "Mary went to the store. She bought groceries," "She" is the pronoun opener that refers back to Mary without restating her name.
In most cases yes.
A prepositional opener is a type of sentence structure where a prepositional phrase is used at the beginning of a sentence to provide additional information or context. It can help set the scene or clarify the relationships between different elements in a sentence.
what kind of car
it is a 2nd class lever
What kind of question is this? No one.
it is a 2nd class lever