An expletive at the beginning of a sentence can make the subject of the sentence unclear.

Question

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An expletive is a word or phrase used to fill a sentence without adding to the meaning. When used at the beginning of a sentence, it can make the subject of the sentence unclear. For example, "There are many reasons why I don't like that movie." The word "there" is the expletive and doesn't add to the meaning of the sentence, making it unclear who or what the subject is.

An Expletive at the Beginning of a Sentence Can Make