Question tags are short questions added to the end of a sentence. They are used to confirm information, check understanding, or seek agreement. Question tags are common in spoken English and help make conversations more interactive and engaging. For positive sentences, we generally use negative question tags, and for negative sentences, we use positive question tags.

Complex sentences are sentences that contain one independent clause and at least one dependent clause. They help add more information to a sentence and make writing richer and more interesting.

These words - "another," "other," "others," "the other," and "the others" - are used in English to distinguish between items, people, or groups.