When the style manual being followed calls for it. In most cases it is included, though some computer programs and databases, such as the ones at WikiAnswers, do not allow hyphens.
You typically need only capitalize after sentence-ending punctuation, which a hyphen is not.
Since he accidentally omitted his signature, the check was not valid.
If a word was omitted from a sentence then it would not be a complete sentence. (The above sentence is your sentance). The omitted sound of the movie annoyed people.
i omitted to ask that boys name
She decided to omit the irrelevant details from her report to make it more concise and focused.
What a hyphen does is it is showing you what you are saying in the sentence; it represents something. It is NOT to be used as a pause. Commas and semicolon's are used for that. For example, if I wanted to say something about a car, I would say "This car is very nice - it has leather seats." The hyphen is a place holder if you do not want to end a sentence because you are describing what you are talking about in the first part of the sentence.
What a hyphen does is it is showing you what you are saying in the sentence; it represents something. It is NOT to be used as a pause. Commas and semicolon's are used for that. For example, if I wanted to say something about a car, I would say "This car is very nice - it has leather seats." The hyphen is a place holder if you do not want to end a sentence because you are describing what you are talking about in the first part of the sentence.
It depends on how it is used in a sentence and what sentence you are forming.
No. The words "uninfected" and "disinfected" use common prefixes. The word "reinfected" (infected again) is oddly omitted from several sources that do list the word "reinfection".
small/business
He interrupted her story to interject some important facts that she omitted.
In normal usage, the proper usage is "well-liked" because the two words combine to form a single adjective. However- if it is used postpositively, the hyphen is omitted.