Precede phrases like "for instance" and "for example" when they combine a complete sentence and a list. These phrases should then be followed by a comma. Example: Several different citation styles are ...

Hundreds of new words are added to the English language every year. A word, phrase or sentence that is the same both backwards and forwards is called a palindrome. Grammar is the system for ...

The grammar must account for the ungrammatical sentences. Many linguistics books breeze over this. Rarely is this relationship formally accounted for. One way to account for this formally is to refer ...