Yes, a comma should be placed before the word "too" when it is used at the end of a sentence to indicate "also" or "in addition." For example, "I enjoy hiking, too."
Not necessarily. There is no word in English that requires a comma.
Yes, you can put a comma before except. Example of a comma before except in a sentence- She can do it, except that the mountain is too steep
no
The comma should come before the word "but" when it is used to separate two independent clauses. For example: "I wanted to go to the store, but it started raining."
Yes, you should use a comma before "Jr." when writing a person's name to separate the person's last name from the suffix. For example, "John Smith, Jr."
In a company name such as "ABC Corp," do not use a comma. However, use a comma in the formulation, "ABC, Inc."
Betty will come on Thursday too, if she can. or Betty will come on Thursday, too, if she can. Some styles classify "too" and "also" and "additionally" as conjunctive adverbs, like however or therefore, and use a comma before them. Other styles, noting that there is not necessarily a pause requiring a comma, use the comma only when there is a need to emphasize such a verbal pause. You should follow the style that you ordinarily use.
Not necessarily. A comma indicates a pause in speech, or separates ideas for clarity. Where there is no pause and no possible confusion there should be no comma.
A comma before "and" depends on the context. Use a comma before "and" in a list of items (e.g., red, blue, and green). However, do not use a comma before "and" when it connects two independent clauses unless it is needed for clarity or to avoid confusion.
You generally use a comma before "and" only if it is separating two independent clauses in a sentence. Otherwise, you most often do not need a comma before or after "and" when it is used to connect items in a list or to join words or phrases in a sentence.
No of course not!only when you have run on sentences.