Basic Punctuation Rules
We use punctuation to create sense, clarity and stress in sentences and we use punctuation marks to structure and organise our writing . Sometimes we tend to use punctuation marks according Spanish punctuation rules and we forget that English has its own rules. Here it is a document with the basic punctuation rules used in English by the Writing Centre of Azusa Pacific University. Basic Punctuation Rules Also, Here it's a picture with a summary of the use of punctuation marks.