The sentence “Is everyone coming for the party?” is an example of an interrogative sentence in English. It is a question used to seek information about the participation of all members of a group in an upcoming event. The structure of this sentence can be analysed by examining its grammatical components, word order, and the functions of each element within the sentence. The sentence begins with the auxiliary verb “Is.” In English, questions are often formed by placing an auxiliary verb before the subject. This process is known as subject–auxiliary inversion. In a normal affirmative sentence, the structure would be “Everyone is coming for the party.” Here, “everyone” functions as the subject, and “is coming” forms the verb phrase. When the sentence is changed into a question, the auxiliary verb “is” moves to the beginning, resulting in the structure “Is everyone coming for the party?” The word “everyone” is an indefinite pronoun that acts as the subject of the sentence. Although it refers to all people in a group, it is grammatically treated as a singular noun. Therefore, it takes the singular auxiliary verb “is”