Explanatory conjunctions (i.e., this is) which join propositions, they will always be in the middle of the two, preceded by commas and followed by a comma; When used to join other (not propositions) elements within the prayer, will be separated by comma: the director, i.e., Ricardo, already gave the order. His latest book, i.e., nautical, is selling much. Remarks: 1. was already explained, the ilativos not only unite the propositions and other constituents within the sentence, but are also connectors which serve as transition elements to give consistency and continuity to the sentences within a paragraph and paragraphs within written total; Therefore it is not strange find them, often starting sentences and paragraphs, apart from the fact that they tend to occupy other positions in the sentence (simple and compound). When the ilativos function as extraoracionales links, are usually separated from the rest of the sentence by commas: this summer, however, several neighbors of the property intend to REList their houses and other belongings. They are therefore predictable numerous visits from potential buyers.
In addition to special conjunctions mentioned at the beginning of this topic, also function as links extraoracionales other common conjunctions: and, or, but, more, though, because, etc. But these may not be located in the various locations where special conjunctions that work as ilativos are located. When these simple conjunctions operate as extraoracionales links, they can only go at the beginning of the sentence and are not separated by commas in the rest of the sentence. For example, the but used in the second sentence of this paragraph. 2 Used some adverbs ending in the suffix mind, that play the role of sentence modifiers as ilativos. These can be used at the beginning, interspersed or at the end of simple sentences or propositions; in these cases are, generally, separated by commas. They also appear in the middle of two propositions, uniting them; then they must be preceded by comma, and followed by coma (although sometimes only are preceded semicolon).