A study on using some typical typers of punctuation properly in writen English and common mistake made by Vietnamese learners

Abstract

Writing is a difficult skill, which requires a basic background of English grammar. In written English, writers always have to pay attention to many grammar factors such as tenses, sentence structures, parts of speech, conjunctions, and punctuation marks. Each of them plays a vital role in making a correct sentence, especially punctuation. A complete sentence hardly ever misses punctuation marks. Each of them plays an important part in making a correct sentence, especially punctuations. A complete sentence hardly ever misses punctuation marks. In fact, punctuation marks have a big role in making clear the meaning of a sentence, avoiding the ambiguity.