End punctuation marks signal the completion of a sentence.

Listen actively, speak in unison, understand sentences, write them down, develop English fluency. End punctuation marks signal the completion of a sentence. Period, question mark, exclamation point, and ellipsis are common end punctuation marks. Verbs, adjectives, nouns, adverbs, prepositions, conjunctions, pronouns, articles, interjections, and determiners. Present, past, future, present continuous, past continuous, future continuous, present perfect, past perfect, future perfect, present perfect continuous, past perfect continuous, future perfect continuous, simple present, simple past. Subject-verb agreement, noun-verb agreement, pronoun-antecedent agreement, verb tense consistency, parallel structure, sentence fragments, run-on sentences, comma splices. This comment is an example of formatting requests and does not count toward the word limit. Help the channel, subscribe for English progression.